Evaluation of fire-retardant treatments for wood shingles
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Forest Products Laboratory , Madison, WI
|Statement||by C.A. Holmes.|
|Series||Research paper FPL -- 158.|
|Contributions||Forest Products Laboratory (U.S.)|
|The Physical Object|
|Pagination||27 p. :|
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To empirically examine fire-retardant treatments. that might be suitable for wood shingles, determine. their durability by accelerated weathering and ex-Wood shingles have been used as roof coverings. terior exposure tests, and evaluate their fire re in the United States beginning with the early sistance by established fire testing methods.
Details Evaluation of fire-retardant treatments for wood shingles PDF
Evaluation of fire-retardant treatments for wood shingles. Madison, WI: Forest Products Laboratory,  (OCoLC) Material Type: Government publication, National government publication: Document Type: Book: All Authors / Contributors: C A Holmes; Forest Products Laboratory (U.S.).
Some building codes require wood shingles to be fire-retardant treated. Because exterior fire-retardant treatments are subjected to weathering, treatment durability and leach resistance are critical for insuring adequate fire protection. We examined the effectiveness of various fire-retardant treatments on wood after 0, 2, 5, and 10 years.
The FSR Treatment, Inc., fire-retardant-treated wood shakes and shingles described in this report comply with, or are suitable alternatives to what is specified in, those codes listed in Section of this report, subject to the following conditions: See Sectionexcept change the word “nonclassified” to.
Get this from a library. Exterior weathering durability of some leach-resistant fire-retardant treatments for wood shingles: a five-year report.
[Carlton A Holmes; Ronald O Knispel; Forest Products Laboratory (U.S.)] -- As a part of a continuation study on fire-retardant treatments for wood shingles and shakes, shingles were treated by systems selected from previous research, including. Section: 07 31 29—Wood Shingles and Shakes REPORT HOLDER: FSR TREATMENT, INC.
th STREET MAPLE RIDGE, BRITISH COLUMBIA V2V 4J4 CANADA () EVALUATION SUBJECT: FIRE-RETARDANT-TREATED WOOD SHAKES AND SHINGLES EVALUATION SCOPE Compliance with the following codes: International. The high replacement costs of wood roofs and the development of new preservative finishes that are cheaper, less toxic, and more durable has made treating wood roofs, feasible and desirable.
Sincethe Texas Forest Service (Forest Products Laboratory) has been evaluating preservative treatments for wood shakes and shingles.
ASTM D - Standard Test Method for Evaluating the Effects of Fire-Retardant Treatments and Elevated Temperatures on Strength Properties of Fire-Retardant Treated Lumber. ASTM D - Standard Practice for Calculating Bending Strength Design Adjustment Factors for Fire retardant Treated Plywood Roof Sheathing.
For new wood shingles, a pressure treatment impregnates the shingles with a wood preservative (in the 's CCA or chromated copper arsenate) or a fire retardant. [Click to enlarge any image] When shingles are treated with a fire retardant they are then heated to complete that treatment procedure.
D Test Methods for Mechanical Properties of Lumber and Wood-Base Structural Material. D Test Method for Evaluating the Flexural Properties of Fire-Retardant Treated Softwood Plywood Exposed to Elevated Temperatures. D Practice for Calculating Design Value Treatment Adjustment Factors for Fire-Retardant-Treated Lumber.
Download Evaluation of fire-retardant treatments for wood shingles book Sorry, we are unable to provide the full text but you may find it at the following location(s): (external link) http. D/DM Test Method for Hygroscopic Properties of Fire-Retardant Wood and Wood-Based Products.
D Specification for Evaluation of Structural Composite Lumber Products. D Test Method for Evaluating the Effects of Fire-Retardant Treatments and Elevated Temperatures on Strength Properties of Fire-Retardant Treated Lumber. Introduction Shingle Seal™ is an application ready, water-based fire retardant designed for treatment of wood roofing and/or siding shingles.
Shingle Seal™ is mix of proprietary ingredients, which forms a slight intumescent foam layer and carbon char when the treated shingle or shake is exposed to fire. Once the carbon char is formed there will be minimal flame propagation, smoke evolution.
STD FP” and the National Evaluation Report number (NER), for field identification. LIMITATIONS Review the test data on FirePRO FRTW to deter-mine if it is acceptable for the intended end use. FirePRO FRTW is typically specified for use where the building code jurisdiction permits the use of wood or fire retardant treated wood.
Does the fire retardant treatment affect the color of my cedar shakes and shingles. The color will be slightly darker brown, but they will weather to an appealing gray over time. Does fire retardant treatment reduce the longevity of cedar shakes or shingles.
The CSSB is unaware of any reduced life span of Certi-Guard® cedar shakes or shingles. fire-retardant polymers into the innermost cells of cedar shakes and shingles.
Select the Certi-Guard™ permanent label if fire-retardant is needed where the threat of fire exists.
Description Evaluation of fire-retardant treatments for wood shingles PDF
This treatment results in a Class A rating for fire resistance (figure 3). Figure 3—Fire-retardant treated wood shingles. There are three different classes of fire retardant treatments available.
Check with your local building official to determine which Class A, B or C roof is best suited in your area. FSR’s fire retardant treatment is offered for all specifications of Western Red Cedar Shakes and Shingles.
FTX® Treated Fire Retardant Cedar Shakes and Shingles For fire hazardous areas, such as California, cedar shakes and shingles with FTX fire retardant treatment provide permanent fire protection.
FTX was the first legal fire retardant treatment approved by the California State Fire Marshal, including Class A, B, and C application.
The fire-retardant-treated wood shake and shingle roof coverings are for use where Class A, B or C wood roof coverings are permitted. DESCRIPTION The fire-retardant-treated wood shakes and shingles are produced from No.
1 grade western red cedar shakes complying with IBC SectionIRC Section R or UBC Sectionor No. LeVan and Winandy-FIRE RETARDANT TREATMENTS AND WOOD STRENGTH 1 17 TEMPERA TURE f OC.I FIG.
Effect of fire retardant treatment on residual char weight of cellulose. (M 1 3 18 15) () tested sodium borax, sodium chloride, potassium carbonate, aluminum. Section: 07 31 29—Wood Shingles and Shakes REPORT HOLDER: FSR TREATMENT, INC.
ADDITIONAL LISTEE: CHEMCO, INC. EVALUATION SUBJECT: FSR, FTX, FIRE-RETARDANT-TREATED WOOD SHAKES AND SHINGLES EVALUATION SCOPE Compliance with the following codes:and International Building Code® (IBC). Fire-retardant-treated products for exterior applications must be subjected to actual or accelerated weathering prior to fire testing.
For fire-retardant-treated wood, the two accelerated weathering methods have been Method A and B of ASTM D The rain test is Method A of ASTM D Use of Preservative-treated Wood Requires Certain Precautions Monica Keels: By: Mark Rupar, NRCA Director of Technical Services.
Selecting appropriate fasteners when using preservative-treated wood is complicated by the variety of available preservative treatments that can be corrosive to metal preservative systems are used by preservative-treated wood manufacturers in the.
The Pressure Treatment Process. Our Pressure Impregnation Fire Retardation Treatment System begins as the cedar shakes and shingles are loaded into our pressure autoclave cylinder.
All air and moisture is removed from the wood by a vacuum, at which point the fire retardant is pumped into the cylinder to thoroughly saturate the wood. Our fire-retardant wood protection products are designed to prevent the spread of flames and the development of smoke as well as protecting against pests and fungus.
FS2 is a water-based, post-treatment, interior/exterior fire retardant, and wood preservative that penetrates the material and bonds with the cellular structure.
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FS2 contains polymers that maintain the fire retardation for up to five years for exterior applications. Today, there are cedar roof shingles and shakes available that have been pressure-treated with fire-resistant chemicals at the factory and can achieve a class B or C fire resistance rating.
Fire retardant coatings are often required to protect a wide range of products of both flammable and nonflammable against fire. It is an oldest, most efficient, and easiest method to apply any surface without modifying the intrinsic properties of materials. Moreover, the initial phase of fire always occurs on the surface by ignition, and hence, it is important to concentrate on the surface.
Source Quality: Obtain fire retardant treated wood from a single licensed manufacturer. Wood Treatment Plant Qualifications: Wood treatment plant experienced in performing work of this section which has specialized in the treatment of wood similar to that required for this project, licensed by the manufacturer, with ongoing third.
Fire-Retardant Wood Shakes/Shingles; These roofing shingles are pressure treated with fire retardant that is injected into the wood and is locked into its fibers. This ensures that the material remains fire retardant for its lifetime.
A “Class A” fire rating is attainable for the roof system. Spray-applied or brushed-on, fire retardant coatings (FRCs) provide treated materials with best in class passive fire protection. No-Burn ®, Inc.’s fire retardant coatings have all received “Class A” or “Class 1” designations, in accordance with international building codes and the National Fire Protection Association’s standards, over a variety of substrates.These requirements cite the code-required testing and guidance for design value adjustments for fire retardant-treated wood products.
UL FR-S. Underwriters Laboratories provide an FR-S rating for fire retardant lumber and plywood, which indicates the wood has a flame spread and smoke developed rating of 25 or less as determined by the ASTM E FRT Wood Is Fire-retardant-treated wood.
Fire-retardant-treated wood is any wood product which, when impregnated with chemicals by a pressure process or other means during manufacture, shall have, when tested in accordance with ASTM E 84 or ULa listed flame spread index of 25 or less and show no evidence.
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