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FIRE RETARDANT PLYWOOD

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Maximum Allowable Spans Live load/dead load for Flame Safe Fire Retardant Lumber

 

Vacuum Pressure Impregnated - Kiln Dried After Treatment (KDAT) Lumber, Plywood, Timber, Shake Shingles, Architectural Millwork, Specialty Treatments
Wood and wood based products are highly desirable due to their appearance and versatility.

Manufacturing process of plywood: A log of wood is softened with steam and then shaved into thin veneers (also referred to as plies). The thin veneers are allowed to dry and then coated with an adhesive. Each ply is laid in such a way that the grain direction of each ply is opposite to the ones above and below it. There are usually an odd number of plies so that the sheet is balanced. The entire stack is then treated in a hot press at high temperature and pressure to form plywood. Plywood is resistant to cracking, shrinkage, splitting, twisting/warping and has a high degree of strength. Pound for pound, plywood is stronger than steel in static bending strength.

Depending on building occupancy, location of the material in the building and the presence of sprinklers, fire retardant wood materials are permitted under code requirements. To comply with the code standards, wood and wood products must meet the ASTM E84 test standard (Surface Burning Characteristics of Building Materials). The test chamber is rectangular being 17-3/4" wide, 12" in height and 25' in length. Multiple windows are located in the upper half of the wall of the test chamber so the test samples can be observed from outside the fire chamber. This test method determines the relative burning behavior of the fire retardant wood by observing the flame spread along the specimen. The flame spread is determined by distance the flame travels and the rate at which the flame front advances during the first 10 minute exposure the test continues for an additional 20 minutes. Smoke generation is recorded and indexed.

Grade Description Grade Description
A/B Sanded face veneers practically free from all defects. Reverse veneers with only a few small knots or discoloration B/C Sanded face veneer with only a few small knots or dicoloration, Reverse side permitting jointed veneers, large knots, plugs, etc
A/C Sanded one side, reverse side permitting jointed veneers, large knots, plugs, etc. CDX Knots, knotholes, cracks, and all other defects permitted
The most common sizes of fire retardant plywood are: Fire retardant Softwood Plywood: Douglas Fir, -Southern Yellow pine (SYP)- Typically used for commercial construction - wall, floor, roof sheathing and backer board -usually CDX grade
4' x 8' x 1/4" [8/32"]
4' x 8' x 3/8" [12/32"] Fire retardant Hardwood Plywood: Ash,Birch, oak, mahogany-excellent strength, stiffness and resistance to creep - it has a high planar shear strength and impact resistance, which makes it especially suitable for wall panels,cabinets and trim.
4' x 8' x 1/2" [15/32"]
4' x 8' x 5/8" [19/32"]
4' x 8' x 3/4" [23/32"]
4' X 8' X 3/4" T & G Fire retardant Aircraft Plywood: Mahogany, birch, oak, other species available - high strength plywood
4' X 8' X 1-1/8" T & G

10' lengths available by special order including molding, trim & milwork

Fire retardant Marine Plywood: Manufactured from durable face and core veneers, with few defects so it performs better and longer in humid or wet conditions. It resists delaminating and fungal attack - used on docks, boats, and other marine applications

Inherent Flame Spread Rating for Untreated Plywood vs. Flame Safe Fire Retardant Treated Plywood

Size Species Untreated Flame Spread Flame Safe Fire Retardant Treated Size Species Untreated Flame Spread Flame Safe Fire Retardant Treated
SOFTWOOD PLYWOOD - Exterior glue(eg) HARDWOOD PLYWOOD
3/8" Cedar 70-95 <5 1/4"-3/4" Ash- V core 134 <20
5/8" 70-95 <5 1/4"-3/4" Birch-V core 135-173 <20
1/4 Douglas Fir 150 <5 1/4"-3/4" Birch-Fuma V C 127 <25
3/8" 110-150 <5 1/4"-3/4" Birch-DF V C 114 <18
1/2" 130-150 <5 1/4"-3/4" Birch-High Density V C 114 <17
5/8" 95-130 <5 1/4"-3/4" Maple V C 124 <25
3/4" 95-130 <5 1/4"-3/4" Knotty Alder 134 <25
1/4" Southern Pine 95-110 <5 3/4" Honduras Mahogany-V C 105 <20
3/8" 100-105 <5 1/4"-3/4" African Mahogany 95 <20
5/8" 90 <5 11/64" Lauan 167 <35
3/4" 90 <5 1/4" 150 <25
1-1/8" 90 <5 1/4"-3/4" Oak-DF V core 153 <25
3/8" Redwood 95 <5 1/4"-3/4" Walnut -V C 123 <25
5/8" 75 <5  
1/2" Exterior Preservative Treated Plywood - MCA(micronized copper azole) 95-100 <5 3/16"

Particleboard

 

 

eg

156 <25
5/8" 95-130 <5 3/8" 200 <25
3/4" 95-130 <5 1/2" 135-156 <25
  90-125 <5 5/8" 153 <25
3/8" Medium Density Fiberboard MDF 140 <25 3/4" 145 <25
7/16" 125 <25 3/4" 88-98 <25
5/8" 120 <25  
11/16" 140 <25 7/16" Oriented Strand Board OSB 86-150 <25
3/4" 130-140 <25 3/4" 147-158 <25
1" 90 <25 1-1/8" 74-172 <20

Flame Safe's experienced, qualified staff offers technical support to assist our customers in selecting the Flame Safe product necessary to meet fire safety and building code requirements. Based in Fort Worth, Texas we ship not only to Dallas, San Antonio, Austin, Oklahoma City, Shreveport, Houston, Lubbock, areas local to us, but across the United States whether it be Miami, New York, Seattle, Portland, Los Angeles, San Francisco, Las Vegas, Boston, Philadelphia, Des Moines, Dayton, as well as internationally.

Fire Codes are written and enforced to save lives and property. Flame Safe fire retardant coatings and products are compliance tested.

American Standard of Testing Materials (ASTM) E84 classifications
Class Flame Spread
ASTM E84 A or UL723 TYPE 1; NFPA 255 0-25
ASTM E84 B or UL723 TYPE II 26-75
ASTM E84 C or UL723 TYPE III 76-200

Many flameproof products presently on the market do not have testing by accredited third party testing agencies to back their claims. The credibility of Flame Safe’s products are well documented by accredited 3rd party testing agencies, including Underwriter’s Laboratories (UL), Southwest Research Institute (SWRI), Universal Laboratories, United States Testing, Western Fire Center, Maxim Technologies-Southwestern Laboratories, U.S. Forestry Department, FEMA, Forestry Commission of New South Wales, Australia, European Institute for Fire Research, Ontario Research of Canada, and more.

1-800-333-9197

ACCREDITED 3RD PARTING TESTING
ASTM E84 CLASS “A” - UL 723 TYPE 1 - NFPA 255 - UBC 42-1

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Interior FireRetardant Lumber

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Exterior FireRetardant Lumber

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Interior FireRetardant Plywood

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Exterior FireRetardant Plywood

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Interior FireRetardant Timber

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Exterior FireRetardant Timber

lumber with stamp

Flame Safe lumber is kiln dried to a moisture content not to exceed 19%.Pitch in the wood is crystallized permitting interior and exterior finishes to be easilly applied. Flame Safe’s finished moldings and trim is kiln dried to a maximum moisture content of 6 to 12 % depending on the species and specific use.When kiln dried, Flame Safe fire retardant treated wood becomes lighter and stronger, maximizing it's structural uses.

timber stack

Flame Safe Wood Products fire retardant lumber,plywood, timber and wood specalties 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 FLAME SAFE'S web site or call 1-800-333-9197

Fire Retardant Wood & Fire Retardant Plywood Treatments
Vacuum Pressure Impregnation and Kiln Dried After Treatment (KDAT)
Fire rated lumber - Fire rated plywood - Fire rated wood specialties - Fire rated timber

Exterior fire retardant lumber interior fire retardant lumber exterior fire retardant plywood interior fire retardant plywood interior fire retardant wood specialties exterior fire retardant wood specialties exterior fire retardant timber & timbers interior fire retardant timber & timbers architectural millwork, molding & trim fire retardant OSB fire retardant particle board fire retardant MDF fire retardant shingles fire retardant Insulation fire retardant treated special orders

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Flame Retardant coatings can save lives and property
Fight the danger of fire in your home and business. Some keepsakes cannot be replaced

Hotline: 800-333-9197 7am-5pm (CST) -- Ph: 817-740-9197

After Hours: 817-658-9197 -- email: fireprod@aol.com

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

Dallas, Ft Worth, Austin, Houston, Corpus Christi, Wichita Falls, Abilene, Amarillo, Plano, North Dallas, El Paso, Laredo, Frisco, South Dallas, Lancaster, Dallas County, Tarrant County, Odessa, Waco, Midland, Tyler, Dallas, San Antonio,Lubbock, East Dallas, Grand Prairie, Irving, Dallas / Fort Worth metroplex, Houston area,

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The information contained herein is the property of Fire Prevention Technologies d/b/a Flame Safe Chemical Corporation and Flame Safe Wood Products, Inc . copyright 1990 Revised 8/20/2009, Revised 2012

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