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2653 Warfield St. Fort Worth, TX 76106 USA


Fire Rated I-Joists


Ph: 1-817-740-9197 / email: fireprod@aol.com Hours 8pm-5pm (CST)

1-817-658-9197 After Hours

Flame Safe Fire Rated I-joist Part 1

Dallas, Fort Worth, Houston, Austin, San Antonio, Odessa, Dallas - Fort Worth metroplex, Midland, Abilene, Amarillo, El Paso, Corpus Christi,Dallas County, North Dallas, South Dallas, Central Texas, South Texas, Oklahoma City, Tulsa, Shreveport, New Orleans, Branson, Kansas City, St. Louis
ASTM E84, CLASS A; UL 723, TYPE 1, UBC 42.1, NFPA 701

Fire Retardant I-joists

Flame SafeFire Rated I-Joists

Joists, more commonly known as I-joists, are long parallel beams that can be made from solid dimensional lumber or engineered wood. Wood I-joists were first developed in 1969. Wood I-joists get their name from their cross section that looks like the capital letter I. They are made up of a top and bottom flange separated by a vertical web. The flanges can be made from lumber or engineered wood. The flanges are grooved on one side and the web is usually OSB or in some cases plywood. The webs and flanges are assembled with a water-resistant glue. The I-joist is used for floor and roof joists, wall studs and roof rafters in both residential and commercial construction. The advantage of the I-joist is they will not bow, crown, twist, cup check or split in contrast to a dimensional piece of lumber.

Flame Safe Fire Rated I-Joists Part 2

ASTM D3806

This test method provides the relative flame spread of experimental coatings using small test specimens. By calibrating the 2-foot tunnel with Test Method E84-rated fire retardant coating, results obtained by this test method should be indicative of those obtained with the large specimen in the Test Method E84 tunnel. This test method determines the protection a coating affords its substrate and the comparative burning characteristics of coatings by evaluating the flame spread over the surface when ignited under controlled conditions in a small tunnel. In addition to the experimental flame spread rate, the weight of panel consumed, time of afterflaming and after-glow, char dimesions, index, and height of intumescence may be measured in this test.

Flame Safe Fire Rated I-Joists Part 3

Test specimens I-joist

ASTM D3806 test method is a 4 minute test, however test specimen shown continued for 16 minutes. Intumecence expansion from 4 mils to 1500 mils (.004" to 1.5")

ASTM E84 - ASTM E2768-11 conducted at Intertek Testing

Flame spread
Smoke index
Max. flame front
The Flame Safe Fire Poly™100 high intumescent fire retardant coating swells as a result of heat exposure, converting combustible gases and tars to non-combustible carbon char causing the surface to bubble-up and thereby creating a barrier between the fire and the treated material. The carbon char is a poor conductor of heat, thus protecting the substrate.

Flame Safe fire retardant I-joists with OSB (oriented strand board) web and rim board is particularly suitable for load bearing applications and is Class A fire rated. This is especially important for commercial, industrial or residential applications to assist compliance with the new 2012 I.R.C. section R501.3 exception 4 fire rated assembly code requirements (ASTM E119 Fire Test of Building Materials). Hourly ratings are assigned to only complete assemblies of structural materials for buildings, including walls, floors, ceilings and roofs. It is important to note that hourly ratings have no reference to any single component of a complete assembly.

Flame spread ratings are based on the ASTM E84, ANSI/UL723, NFPA 255: Test for Surface Burning Characteristics of Building Materials (the ASTM E84, UL723 and NFPA 255 are the same), the test measures the rate which the flame spreads over the substrate being tested (test specimen) and the degree of smoke developed. Classification rating are [ASTM E84 CLASS A, UL723, TYPE I] f.s. 0-25 [ASTM E84, CLASS B, UL723 TYPEII] F. S.26 -75 and [ASTM E84, CLASS C, UL723 TYPEIII] F.S. 76-200. The flame spread rating is determined in the first 10 minutes of the test. The ASTM 2768-11 TEST FOR EXTENDED DURATION SURFACE BURNING CHARACTERISTICS OF BUILDING MATERIALS, This standard uses the apparatus and procedure of test method ASTM E84 with the total test period extended to 30 minutes.

Test conducted at Intertek for Flame Safe fire retardant I-Joists w/ OSB web

ASTM E2768-11 for Extended duration surface burning characteristics of building materials (30 minute).

This method uses the same equipment apparatus, calibration of flame spread index and smoke develop index as test method ASTM E84

Fire Rated I-Joists; Fire Rated OSB sheathing (oriented strand board)

Test I-Joists flame spead 0, smoke developed 80

Test OSB flame spead 0, smoke developed 40

The advantage of Flame Safe I-joists is it's zero flame spread rating.

Careful storage and handling is required to maintain the integrety of the I-joist, thus the I-joists should be protected from rain and accidental soaking. Store flat in an enclosed, dry building.

I-joists and osb

Fire Rated Assembly OSB & I-Joists

I joists

Flame Safe Fire Retardant I-joists

framing osb ijoists


Oriented strand board (OSB) has a greater load-bearing capacity than milled wood panels. OSB is particularly suited as sheathing on walls, floors, sub-flooring, roof decking and is a versatile, less expensive alternative to plywood. Flame Safe fire retardant OSB sheathing is manufactured from layers of thin wooden strips, arranged in cross-oriented layers, compressed and bonded together with synthetic resin adhesives and wax, and Flame Safe fire retardant coated. The OSB wooden strips are usually from the Poplar and Aspen trees, but can also be from the fast growing and smaller trees. OSB panels have similar properties to plywood, but OSB has no internal gaps or voids, is uniform and less expensive.

Fire Retardant Coating for Wood - Fire Retardant Coating for Plywood - Fire Retardant for Lumber - Fire Retardant coating for Timbers - Fire Retardant coatings for Fabric, theatre curtains and sets, upholstery, canvas tents, mattresses, clothing, carpet, wall coverings, paper, cardboard, shingles, thatch & thatching, Tiki huts, grass, brush, and fire retardant spray for Christmas trees and wildfire protection - Fire retardant coating PVC, plastic, composite pipe

A Fire Retardant coating can save lives and property
Fight the danger of fire in your home and business
Some keepsakes cannot be replaced

Fire Poly™ 100 - Class A fire retardant coating for wood, plywood
Fire Poly™ 75I - Class A interior fire retardant coating for wood, plywood, lumber
Fire Poly™ 75E- Class A exterior fire retardant coating for wood, plywood, lumber
Fire Poly™ 50 - Class A fire retardant coating for wood, plywood
FPCC - fire retardant coating for plastic pipe, styrofoam
Wood Safe - Class B interior fire retardant coating for wood
Fabric Safe - fire retardant coating for fine fabrics & canvas
Shingle Safe™ - Class C exterior fire retardant coating for wood shingles Thatch Safe™ - exterior fire retardant coating for tike hut thatching
Tree Safe - fire retardant coating for Christmas Trees, dry grass and brush
Paper Safe - fire retardant coating for paper & cardboard
Fire Buster™



fire retardant logo




packaged product



Interior Fire Retardant Treated Lumber   

Interior Fire Retardant Treated Plywood

Interior Fire Retardant Treated Timber & Timbers


Exterior Fire Retardant Treated Lumber   

Exterior Fire Retardant Treated Plywood
Exterior Fire Retardant Treated Timber & Timbers

Fire Retardant Treated OSB


Fire Retardant Treated

Special Orders

Flame and Fire Retardant Coating 1-800-333-9197 Fire Retardant Wood Products

As demonstrated on the national television show
"That's Incredible"

      Most fire retardant products presently on the market do not have testing by accredited third party testing agencies to back their claims. Flame Safe’s fire retardant products have been tested by accredited third party testing agencies. Flame Safe warrants it’s products to perform as tested and will furnish test reports upon request, in addition to those published on our web site.
      FLAME SAFE CHEMICAL manufactures a complete line of fire retardant coatings, fire retardant penetrants and fire retardant sprays that meet or exceed industry’s fireproofing standards. The effectiveness of Flame Safe’s fire retardant products are well documented.
      The uniqueness of FLAME SAFE’s fireproof products are not only their simplicity of application, their low cost, their environmental safeness, their tested proven certifications, but most importantly they are required by code. Fire codes are written and enforced to save lives and property.
      Uniquely, FLAME SAFE’s fire retardant coatings, fire retrdant sprays and fire retardant penetrants are easily applied, colorless, non-toxic, environmentally safe, and are aqueous based fire retardant chemicals.
      FLAME SAFE has both interior and exterior fire protection coatings, penetrants, and fire retardant sprays for wood, wood products, architectural millwork, molding and trim, lumber, plywood, wood shingles, timbers, fiberglass and plastics, fabric, theater curtains, drapes, upholstery, mattresses and bedding, thatch, thatching, tiki huts, paper, cardboard and packaging systems for combustible liquids. The Fire Buster™ is a fire retardant treated fabric available for commercial and residential use.
      FLAME SAFE is dedicated to setting not merely following the fireproof industry standards through ongoing research development and testing programs. FLAME SAFE continually endeavors to educate the marketplace on the significance of fireproofing combustible materials through the use of fire retardant products.

Click here for more information on

Fire Retardant Coating, Penetrant and Spray

Flame Safe Manufactures the most effective exterior fire retardant and interior fire retardant coatings and sprays to fireproof fabric and fabrics for theatrical curtains, upholstery, canvas tents, mattresses, clothing, carpet, wall coverings, paper, cardboard, lumber, wood, plywood OSB sheathing, I-joists, trusses, rim board, timber and timbers, thatch & thatching, Tiki huts, grass, brush, and fire retardant spray for Christmas trees


Fire Rated, Fire Retardant Wood
Exterior fire retrdant and Interior interior fire retardant

Fire Retardant Plywood, Fire Retardant Lumber, and Fire Retardant Timber & Timbers

2653 Warfield Avenue, Fort Worth, Texas 76106 Phone:1-800-333-9197 or 1-817-740-9197

Middle Eastern inquiries contact Kemya Chemical & Industrial Services WLL

www.kemya-q8.com/ e-mail: info.km@kezema.com

Kuwait City, Kuwait, Dubai, United Arab Emirates, Abu Dhabi, Muscat, Sur, Oman, Khartar, Sanaa, Yemen, Dhamar, Taizz, Aden, Riyadh, Saudi Arabia, Medina, Mecca, Tabuk, Jeddah, Al Bahah, Abha, Alexandria, Egypt, Cairo, Egypt, Baghdad, Iraq, Basra, Mosel, Kirkuk, Al Fallujah, Beirut, Lebanon, Amman, Jordan, Damascus, Syria, Aleppo, Tadmur, Homs, Al Mayadin, Ankara, Turkey, Adana, Doha, Qatar, Manama, Bahrain, Tehran, Iran, Bandar, Abbas, Shiraz, Tabriz, Pakistan, Turkmenistan

The information contained herein is the property of Fire Prevention Technologies d/b/a Flame Safe Chemical Corporation and Flame Safe Wood Products, Inc . © 1990 Revised 8/20/2009

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