PART 3 of 3 – Bullet Resistance (Ballistic) and Blast Resistance & How to Choose a Level of Protection

Bullet Resistant (Ballistic)

It is sad to think that we live in a time where we need to design entrance solutions for keeping our families and property safe, but we must continually innovate to overcome the threats that present themselves in daily life. Bullet resistant doors or ballistic doors and complete ballistic-rated entrance systems are an important part of this innovation. (We previously discussed in Part 1 the reason we don’t use the term “bulletproof door” when referring to these products.) What makes a product bullet resistant? There are several ratings that could describe the level of bullet resistance in a product. The most common are:
  1.           UL 752
  2.           National Institute of Justice (NIJ) 0108.01
  3.           State Department SD-STD-02.01
  4.           ASTM F-1233
  5.           HP White Laboratories HPW-TP 0500.02
  6.           European Standard DIN EN 1063
  7.           British Standards Institution BS 5051
  8.           Councils of Standards Australia/New Zealand AS/NZ 2343
A certified test lab performs these tests in a controlled environment. The range of weapons varies from handguns to rifles, and the ratings are quite different depending on the standard to which you are testing. For example, you may hear someone refer to “Level 3”, which has a different meaning depending on which testing standard you are talking about. Level 3, UL 752, calls for a .44 magnum handgun. National Institute of Justice (NIJ) Level 3 calls for the use of a 7.62mm (.308 Winchester) rifle. So, as you can see, there is a difference. I have worked on several projects developing bullet resistant doors using a fiberglass pultrusion process. When deciding on a bullet resistant opening solution I strongly recommend exploring the pultruded ballistic door options that are available. Believe it or not, steel is not always the answer to solving these complex entrance problems. When used properly, fiberglass has excellent ballistic properties without the concern of deterioration due to rust or corrosion.  

Blast Resistant

In some cases, such as in government installations, there is a blast requirement for most if not all exterior entrance systems. There are a couple of different approaches to achieve a blast rating for a blast-rated door specification.
  1. Arena Testing- This is obviously the most fun. As you can imagine by the name, this testing occurs outside in a controlled area, by setting off explosives to achieve the desired load and duration. The entrance system is instrumented to record the forces felt during the explosion. The advantage of using an arena test is that you’re not limited to certain dimensions on the product you’re testing. The downside with this method is that it is more difficult to obtain a specific pressure and duration due to the variation in explosive behavior.
  2. Shock Tube- The shock tube is an instrument used to replicate and direct blast waves at a sensor or a model to simulate actual explosions and their effects, usually on a smaller scale. The advantage of using the shock tube is that you can repeat the test more accurately than arena testing. The disadvantage is that the size of the shock tube restricts the size of the specimen.
   
blast-test-doors
An Entrance Ready for Shock Tube Blast Test
   
Shock Tube
   

How do I know what level of protection I needed for an entrance?

To be successful when ordering these types of systems, I strongly recommend that you take the time to understand the science behind the products that will protect you and your customers. Understanding the requirements of your state or local jurisdictions and having all the information ensures that you and your customer have on-time deliveries and products that meet the requirements for the project. For example, the load results for HVHZ approved systems are calculated in pounds per square foot. With ballistic systems, you need to understand the caliber of bullet that your entrance must withstand in an attack. This information will dictate the level of protection required. For blast-rated protection, you will need to know the blast load the product (in this case, a blast-rated door) needs to withstand, calculated pounds per square inch (psi), as well as the impulse calculated in pounds per square inch and milliseconds (psi-ms). For intrusion resistance, you need to know the amount of time that you want to hold a perpetrator at bay and if you want laminated glass or polycarbonate glazing.

More From this Series:

Part 1 of 3: Proof vs. Resistant and Intrusion/Forced Entry Resistance Part 2 of 3: Hurricane and Storm Resistance

Related Articles:

Doors + Hardware Magazine | May 2017 | Proof vs. Resistant: The Truth is in the Test  What is Fiberglass Pultrusion? A Win for School Security: Ballistic Door Wins New Product Award

PART 2 of 3 – Hurricane and Storm Resistance

Billions of dollars in damage occurs in the U.S. annually due to natural events, the majority caused by Category 3, 4 and 5 hurricanes. Hurricane Andrew caused more than $25B in just Dade County Florida. Hurricane Katrina caused more than $100B in total economic loss. Fueled by this period of destruction, the science behind hurricane-rated products and building structures to withstand these storms has evolved considerably.

What does Hurricane or Storm Resistant Mean?

Let’s begin with looking at hurricane ratings. Most hurricane resistant doors are required to meet at least one of the following standards:
  • ANSI (American National Standards Institute)
  • ASTM (American Society for Testing and Materials)
  • TAS (Testing Application Standard)
  • IBC (International Building Code)
  • IRC (International Residential Code)
Refer to the AHJ (Authority Having Jurisdiction) to determine which one to refer to for your area.

Hurricane Testing

What makes an entrance hurricane rated? Most test protocols will include static loads, cyclic loads, air infiltration, large missile impact, water infiltration and forced entry.   The most stringent of these requirements is an approval in Miami-Dade County. If a product can make it through Miami-Dade’s NOA (Notice of Acceptance) protocol (TAS 201, 202 and 203), we can generally submit it in other states or regions (such as the Florida Building Commission and Texas Department of Insurance) with a high degree of confidence. Product testing requires a lot of homework to determine how a product will perform under test conditions before sending it to the testing lab. This upfront work reduces the likelihood of a failure during testing. Water infiltration is an excellent example. Water is not your friend in the test lab. One drop of water that infiltrates a test specimen results in a failure. Through many trials and tribulations, we found that all-fiberglass or fiberglass/aluminum doors perform exceptionally well during this type of test. Furthermore, due to their resistance to humidity and salt water, they are great options when considering new or replacement doors in the coastal regions of the U.S.

Hurricane-Rated Special Requirements

Hurricane-rated products come with stricter requirements than some other types of tested and rated products. One important thing to remember is that the size of the product that you intend to sell or install cannot exceed the size of the specimen tested– although it can be smaller. The hardware and seals must be consistent with the configuration the approval states. You can deviate from the approval only with permission from the AHJ. This is why a manufacturer will sell a complete hurricane rated entrance: door, frame, hardware, seal, etc. in exactly the configuration tested.

More from this series:

Part 1 of 3: Proof vs. Resistant & Forced Entry (Intrusion) Resistance Part 3 of 3: Bullet Resistance, Blast Resistance, and How to Choose Your Level of Protection

Related Articles:

The University of Florida is Set to “Judge” Building Architectural Products and Entry Systems The University of Florida’s Website: Multi-Axis Wind Load Simulator  

PART 1 of 3 – Proof vs. Resistant & Forced Entry (Intrusion) Resistance

There is a growing need to create entrances in our schools, businesses, and government facilities that are blast, bullet, intrusion, and storm resistant. It is sad to think that we live in a time where we need to design entrance solutions for keeping our families and property safe, but we must continually innovate to overcome the threats that present themselves in daily life. Within this growing segment of the industry, we find a new set of labels, terminology, and testing standards. At times these can get quite confusing and misleading. However, they do not need to be if you have a good understanding of a few key terms.

Proof vs. Resistant

Have you ever heard someone say that an object was Something Proof and in reality, it should have been Something Resistant? According to Webster’s Dictionary, the definition of proof is: “Able to withstand something damaging; resistant.” Ok, that makes sense… until you look up the definition of resistant in the same dictionary. That definition goes something like this: “Opposed to something; wanting to prevent something from happening.” So, proof or resistant, tomato or tomato? They should mean the same thing, not exactly. The “proof” is in the pudding. Yes, bulletproof sounds more impressive than bullet resistant. Using the term bulletproof is an absolute statement and not an entirely factual statement. At the end of the day, if someone or something wants in, the laws of physics will work against you. If something is big enough, powerful enough, hard enough, wet enough, fast enough– you get the picture– it’s coming in. For this reason, I would rather see the term “resistant” used in all descriptions having anything to do with bullet, blast, intrusion or storm rated entrance systems.

What is Intrusion Resistance?

If you are looking for solutions that would slow down a perpetrator from gaining access to your building, one of the options is to add intrusion resistant glazing to your entrance. The definition of intrusion is; “the act or an instance of intruding; an unwelcome visit.” Intrusion resistant products are also commonly called attack resistant or forced entry resistant.

Intrusion Resistance Testing

There are several test standards used depending on the approval. The most common are ASTM and UL (Underwriters Laboratories), and the U.S. State Department forced entry test. Also, some state correction facilities utilize their own set of standards. Some companies are trying to “update” the current standards that would better represent current conditions. Depending on the data that you look at, the national average for the police to respond to a 911 call is between 6 and 10 minutes. The goal of an intrusion resistant entrance system is to delay intruders from gaining access until the cavalry arrives. These systems may or may not be bullet resistant but remember the object here is to delay the intruder from gaining access to the facility not to stop a bullet.

Intrusion Resistant Glass and Glazing

There are two innovative variations of intrusion resistant glazing that can be utilized for this requirement. One option is a patent pending product that slows down intruders up to twelve minutes before gaining access. The laminated glass comes in 5/16″ and 1″ insulated. This glass is a bit more expensive but provides all the benefits of a glass vision lite that an end user may prefer. The second option is a clear polycarbonate that has a scratch resistant coating. I strongly suggest packing a lunch if you are trying to break through this material. You can literally go after it with a sledgehammer and not break it! This polycarbonate is an inexpensive solution for intrusion resistance.

A Complete Forced-Entry Resistant System

It is important to note that the glazing material is only one aspect of an intrusion resistant system. The doors and vision lite kits used to hold this glazing material are just as important. They must all work as a system to counteract the threat. When selecting intrusion resistant products, it is important that you choose intrusion-resistant doors, frames, glazing, and vision lite kits. Manufacturers typically reinforce vision lite kits with more fasteners and material to allow the system to withstand a threat. I know what you’re thinking: More fasteners? No one is going to buy that! Well, just because there are more fasteners doesn’t mean you have to see them! Some companies have developed ingenious ways of disguising their intrusion resistant glazing kits so to the average person it does not look reinforced.

Stay Tuned

Read the rest of this blog series to find out why it’s important to direct attention to testing standards when explaining the levels of protection or comparing products!

More from this Series:

Part 2 of 3: Hurricane and Storm Resistance Part 3 of 3: Bullet Resistance, Blast Resistance, and How to Choose a Level of Protection

What is Fiberglass Pultrusion?

Is your building in a wet area and prone to rust and deterioration? Are you processing food, serving food, or needing to sanitize doors? Do you need easy care and maintenance in a beautiful, smooth finished door and frame with a long life expectancy? If you are asking any of these questions, your answer is FIBERGLASS. Now… how do you choose what type of FIBERGLASS door and frame? Let me explain… There are many different commercial fiberglass door and frame manufacturing methods, but the one that is proving to be one of the best – if not the best – is the Pultruded Fiberglass Door and Frame. Many are familiar with fiberglass pultrusion manufacturing process from its history in producing pultruded products such as FRP door frames.  Today, we use this high fiber-to-resin ratio approach in the production of the toughest fiberglass doors on the market.

What is the Fiberglass Pultrusion Process?

Pultrusion is a process where raw materials (in this case glass fiber reinforcements and resins) are drawn into a profile die by a mechanical pulling force.  These fibers are injected with resins while under tension where they are combined and cured. This technology is used to create an entirely pultruded door panel.  A high-density, closed cell polyurethane foam core accompanies the woven rovings, woven knits, veil and resins into the die.  This core reduces the weight of the door without diminishing its strength and delivers outstanding thermal performance. fiberglass-pultrusion-process Multiple layers of glass fiber reinforcing fabrics envelop both sides of the core panel as it moves through the process: a woven layer for impact resistance, two layers of random continuous filament for flexural strength, and a thin veil top layer to provide a smooth surface finish. Glass reinforcements wrap around the panel edges from both sides to improve the door’s structural properties.  This combination of reinforcing fabrics is necessary to consider, as it is this high fiber-to-resin ratio that gives the fiberglass door such impressive strength.   An FDA- and USDA-compliant resin fully saturates the glass fiber fabrics before the door enters the profile die. Here, the die compresses reinforcements around the core panel.  The resin fully cures around the core as the panel passes through the heated portion of the die.  This process produces a hermetically sealed, incredibly durable door panel free of voids.  The FRP has as much as a 65% glass content and provides excellent impact resistance and screw holding strength.  

Performance Beyond Avoiding Rust and Rot of Metal and Wood Doors

While fiberglass doors have gained favor in both the commercial and residential markets, it is important to point out key opportunities for improved performance that a fiberglass pultruded door delivers. The benefits go far beyond the avoidance of rust, rot, and the replacement cost of using wood and steel doors.  

Constructed with Materials that Last

There is no door built to last like a fiberglass door.  Fiberglass boasts impressive strength to weight ratio. Lighter weight allows the hardware attached to have a longer life.  All fiberglass doors, so long as they are sealed, are impervious to moisture, chemicals, seawater and salt solutions.  A fiberglass pultruded door delivers extraordinary performance.

No molds – No Gel Coat

The pultrusion process works without the use of a mold and therefore does not require the use of a gel coat.  A fiberglass pultruded door is prime coated and finished with a two-part urethane finish that delivers superior UV protection.  This 5 mil thickness finish is resistant to corrosive airborne agents and is not susceptible to chalking, discoloration, or leaching. The color maintains a high gloss appearance and flexibility for many years, even in full sun exposure and corrosive environments. This aliphatic polyurethane coating allows for easy surface damage repair. Pultruded doors with this finish are FDA and USDA compliant.

Hermetically Sealed – Really

A manufacturer can feed various core materials into the die. There is a bias toward the use of a closed cell polyurethane foam core to enhance its structural performance.  This process allows doors, in constant contact with water or high humidity, to avoid constant expansion and contraction. Continual expansion and contraction quickly deteriorates a metal or wood door and damages the physical properties of a fiberglass door.  Since pultruded doors are hermetically sealed, they avoid this damaging expansion and contraction. pultruded-door-diagram

Above and Beyond

Finally, pultruded fiberglass doors can use alternate cores adding scalable protection performance. You can order these doors manufactured with fire or ballistic cores adding safety performance to entry ways where needed. You even can order oversized doors pultruded in very long lengths without any seams! Click below to read the original article by Special-Lite VP of Sales and Marketing, Roger Stempky, as published in DHI’s November 2016 Doors + Hardware Magazine: pultrusion-article    

Fire-Rated Doors 101: Learn More about Commercial FRP Fire Doors

If you love one or all of our Special-Lite fiberglass doors, did you know we have a harmonizing fire-rated model available too?

Special-Lite is the manufacturing leader for fiberglass doors. In 35+ years, we migrated from the first and best fiberglass school door into many markets and industries – all having unique door needs. One of those needs is a fire-rated fiberglass door to use in rated entrance locations to match our door products. We solved this need through engineering and by challenging our expert craftspeople to manufacture fire-rated fiberglass doors and frames. They are perfect for new construction or retrofit projects.

We offer two fire-rated fiberglass door types: FRP/Stainless Steel & Fiberglass

What? Yes, both construction types use FRP face sheets, but the construction method and design are different. It is important that you understand the unique construction methods so you can select the type best suited to your location.

FRP/Stainless Steel Fire-Rated Door

Special-Lite builds FRP/Stainless Steel fire-rated doors using a fire-resistant mineral core in 30, 45, 60, and 90-minute rated versions. We chemically bond FRP face sheets to this mineral core. We screw-apply the stainless edges, then weld and buff the corners. Stainless steel vision lite kits are also an available option!

Our fiberglass fire doors are hand measured throughout the entire process to ensure we meet specifications. Custom-built punches used by skilled craftspeople deliver precision edge preps on the stainless steel edge pieces. These punches prep for hardware such as mortise locks, strikes, and flush bolts.

collage_fotor

Below you can see a graphic representation of the FRP/Stainless Steel fire-rated door’s construction. Fire-rated cores are ordered to fit specifications and are reinforced on the top, bottom, and hardware areas. The stainless steel door edge is durable and protects the door edge from damage involving gym bags, suitcases, hospital beds, and equipment.

fire-door-wood  

Fiberglass Fire-Rated Door 

Our other fiberglass fire-rated door construction does not utilize stainless steel door edges. We construct these doors with a fire-rated mineral core featuring edge blocking for superior screw hold performance. We again chemically bond FRP face sheets to the mineral cores. You can order these fiberglass fire-rated doors in many size variations, with fire ratings from 20 to 90 minutes.

  all-fiberglass-fire-01 cross-section-01  

In the drawing above notice the pultruded fiberglass fire-rated door frame! When you combine this pultruded fiberglass fire-rated framing with our fiberglass fire-rated door, you will enjoy a beautiful, complete and cohesive entry system!

Both the Fiberglass Fire-Rated Door and the FRP/Stainless Steel Fire-Rated Door construction uses our .120” thick fiberglass face sheets giving our customers many options:

fire-door-chart
  1. AMP Wood Grain (Fiberglass) Face Sheet We are very excited to offer you a faux wood grain fire-rated door, the Fire-Rated AMP-Clad SL-22! A wood grain look presents many design opportunities for a warm and home-like feel without sacrificing the durability of FRP.  This door is perfect for hospitals, long-term care facilities, retirement residences, hotels, educational housing, places of worship, and traditional education buildings. If your design team has chosen to use our SL-19 flush or SL-18 colonial doors, the SL-22 is the fire door for you! Below is a photo featuring a hotel with this door!
amp-fire-door-woodgrain
  1. Pebble Grain SpecLite 3® FRP (Fiberglass Reinforced Polyester) Face Sheet Our most popular FRP face sheet is used on both the SL-21 and the FR-20P/45P/60P/90P fire doors. The pebble grain FRP face sheet, our proprietary SpecLite 3®, unlike competitors’ pebble grain FRP sheets has a mylar coating. This coating provides scratch and graffiti resistance, as well as making doors incredibly easy to clean. This face sheet is available in 12 standard thru-color options. This option is the perfect choice for any location experiencing hard use or abuse. Also, this is the same face sheet used on the SL-17 and the AF-217 non-fire-rated doors so our customers may coordinate as required.
  2. Sandstone Textured FRP (Fiberglass Reinforced Polyester) Face Sheet You’ll find the sandstone texture FRP face sheet on both the SL-23 and the FR-20S/45S/60S/90S fire doors. The sandstone textured FRP face sheet provides a smoother look than the pebble grain for applications such as schools, childcare centers, hospitals, and industrial buildings. This face sheet is available in all 9 standard thru-color options. Also, this is the same face sheet used on the SL-20 and AF-220 door non-fire-rated doors so our customers may coordinate as desired.
  3. Smooth FRP Face Sheet We use our smooth FRP face sheet on only one of our fire-rated doors – the FR-20/45/60/90. This option provides a beautiful, sleek, modern, and easily cleanable surface. Hermetically sealed with no cracks or crevices, these fire doors are impervious to moisture, chemicals, and bacteria. Standard color selections include 10 standard colors, and the option to use custom colors. All finishes are industrial two-part aliphatic polyurethane, which meets USDA qualifications for incidental food contact. These fire-rated doors are perfect for food prep areas, schools, fitness centers, and pharmaceutical applications. We also think you could get creative with the modern look and color selection and use this durable door for a variety of industries or buildings. Gloss black in an upscale hotel, anyone? This smooth fiberglass fire-rated door works seamlessly with the AF-100 and AF-200!

Our fire-rated doors are compatible with a wide variety of hardware. Particularly relevant is the ability to have surface vertical rods less bottom rods on our FRP/Stainless Steel models, which is preferable by hospitals. Hardware compatibility for both fire-rated constructions is listed below:

hardware-compatibility-fire-rated

Complete Fire-Rated Entrance (Door & Frame)

Complete your fiberglass fire-rated entrance with a pultruded fiberglass frame that cannot rust or corrode! If you cannot replace the existing fire-rated frames, ask about Special-Lite’s insert frame and capping system for your retrofit project. Confused? Don’t be. Just call and let us help you select the perfect door and frame for your fire-rated location.

Open the Door to Saving Energy

How to find Thermal Performing Doors to meet your Climate Zone

You have many opportunities to save energy. Take advantage of these opportunities and use your power and desire to conserve when choosing building products. You may find this especially relevant if you are in commercial construction, due to your State likely adopting their own Building Energy Codes Program. All but 8 States within the U.S. (according to BCAP) have adopted programs for public building exterior energy performance (as you can see below). The most common building energy code adopted by the States is ASHRAE 90.1.
bcap energy codes map
Via: Building Codes Assistance Project
ASHRAE 90.1 breaks the United States into climate zones, each with its own energy performance standard. Look at the Climate Zone Map below and find your location’s climate zone.
ashrae commercial building energy zone map
Via ashrae.org
ASHRAE 90.1 specifies commercial, exterior doors and frames comply with the following independent, standard testing: Air Leakage:        AAMA/WDMA/CSA 101/I.S.2/A440, NFRC 400 or ASTM E283 U-Factor:             NFRC 100 SHGC & VT          NFRC 200 Important Test Notes:
  1. NFRC specifies that non-residential door assemblies, less than ½ glass, meet Opaque Doors Swinging performance requirement; and non-residential door assemblies, more than ½ glass, meet Fenestration Metal Framing & Entrance Door performance requirements.
  2. Most noteworthy, NFRC sets a minimum test assembly size (single door in a frame) of 37 ¾” x 82 3/8”. Why? The larger the test assembly, the better the performance will appear to be. As a result, a standard test size ‘levels the playing field’.

If you are ready to Open the Door to Saving Energy, first discover your Climate Zone and purchase exterior doors and frames that meet the ASHRAE 90.1 Energy Standard. Let’s make it even easier for you to begin. The toughest to meet performance requirement climate zones are Zones 6, 7 & 8. All 3 of these Zones have identical requirements: Ashrae door zones test results Special-Lite’s Mission Statement for 20 years has included the statement, “Don’t hurt the environment”. As a result, our most popular exterior door and frame meets and exceeds the ASHRAE 90.1 Energy Standard for Zone 6, 7 & 8. Furthermore, we continue to independently test all of our entrance products to bring you more solutions to ROCK YOUR WORLD. So, if you don’t see your favorite Special-Lite product on the graph below, call us! We may have the testing completed already! special-lite ashrae thermal performance testing u-value

Some Background Information

What is ASHRAE? From the website: “ASHRAE, founded in 1894, is a global society advancing human well-being through sustainable technology for the built environment. The Society and its members focus on building systems, energy efficiency, indoor air quality, refrigeration and sustainability within the industry. Through research, standards writing, publishing and continuing education, [we] shape tomorrow’s built environment today. ASHRAE formed as the “American Society of Heating, Refrigerating, and Air-Conditioning Engineers” by the merger in 1959 of American Society of Heating and Air-Conditioning Engineers (ASHAE) founded in 1894 and The American Society of Refrigerating Engineers (ASRE) founded in 1904.” ASHRAE 90.1 Finally, ASHRAE 90.1 is also an industry standard referenced by the USGBC in the LEED building certification program. It is frequently used as a baseline for comparison during energy retrofit projects or any project that employs building energy simulation.

How to Measure an Opening for a New Entrance

Measuring an opening for new framing and doors is simple in theory, but it is all too easy to make small and avoidable mistakes that can lead to big headaches later.

There are two basic approaches to sizing new entrances: measuring the opening and letting Special-Lite determine net frame (and door) sizes, or providing Special-Lite with net frame sizes. If providing net frame sizes to Special-Lite, it is important to provide tip-to-tip frame dimensions, because our doors and frames are not manufactured to be field adjustable. We will not make the frame undersize to allow for shim space, so the accuracy of the sizes you provide is critical. For retrofit installations, it is important to adhere to the following recommended best practices when measuring openings.

To Measure for New Doors and Frames:

Inspect the entire opening, both interior and exterior, noting differences in:

  • Floor heights and conditions (rough or finished)
  • Opening width dimensions and wall conditions
  • Header or ceiling heights and conditions
Measuring Width Measuring Height

It may be necessary to remove a piece of trim to determine the exact nature of the rough opening. This will ensure you take correct measurements from masonry to masonry. Getting accurate measurements of the rough opening at this stage should avoid any nasty surprises when removing the old entrance.

Measuring the Opening (Figure A):

  • Measure interior-side opening width (horizontal) at top, center and bottom.
  • Measure exterior-side opening width(horizontal) at top, center and bottom.
  • Record the smallest of these six rough opening width dimensions.
Figure A Measuring Opening

(Figure B)

  • Measure opening height (vertical) from underside of header to floor at left and right jamb and center locations. Be sure to allow for final floor height if floor is still in rough condition. Account for any header height differences, interior to exterior.
  • Record the smallest of these six dimensions as the rough opening height.

Figure B Measuring Opening

Completing Special-Lite Estimate/Order Forms:

  • Use a consistent format for recording dimensional units (decimals vs. fractions).
  • Record rough opening sizes, remembering it is better to err on the small side.
  • Be sure to note whether dimensions provided are rough opening or net frame size.
  • Use separate forms for each opening.

The Special-Lite Estimate/Order Forms make a great checklist to ensure that all required information has been provided. They also eliminate guesswork and help to reduce order lead times.

One Last Tip:

Finally, always carefully inspect and measure new entrance products to ensure everything is sized correctly before demolition of the old entrance. Following these guidelines should greatly reduce the likelihood of problems and frustrations at installation.

 

Infographic: Fiberglass Reinforced Polyester FRP Door

Learn More About How Fiberglass and Aluminum Innovations Can Benefit Your Facility

Your building’s first impression is its entrance doors and all who enter touch those doors. Is your visitor’s first impression one of cleanliness, safety, and welcome? Traditional options for schools, universities, and government entrances show the abuse they receive. These doors waste maintenance hours. They need frequent repairs, repainting, and replacement, and often have hardware malfunctions. Are your traditional hollow metal or wood doors eco-friendly? Do they lack the thermal performance to save on heating and cooling costs? These reasons may have you contemplating the investment of a more modern solution for a long, maintenance-free life: FRP. You may also hear them called Fiberglass Reinforced Polyester doors or FRP Aluminum Hybrid doors. These doors deliver the ideal combination of benefits which we’ve detailed in this FRP Door Infographic (select image for PDF): frp-school-door-infographic
  The SL-17 fiberglass door has swept the education market, becoming synonymous with “school door.” Special-Lite has also met the demand for custom options to suit aesthetics desired by many different industries! Our doors prove to be an excellent value for building owners. As a result, many door companies try to imitate, but never replicate, the design and materials. Contact us today about the unique construction and proprietary materials that make Special-Lite the most specified FRP door!