2 edition of Effectiveness of fire-retardant treatments for shingles after 10 years of outdoor weathering found in the catalog.
Effectiveness of fire-retardant treatments for shingles after 10 years of outdoor weathering
by U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory in [Madison, Wis.]
Written in English
|Statement||by Susan L. LeVan, Carlton A. Holmes|
|Series||Research paper FPL -- 474|
|Contributions||Holmes, Carlton A, Forest Products Laboratory (U.S.)|
|The Physical Object|
|Pagination||15 p. :|
|Number of Pages||15|
Nov 08, · In fact, western red cedar lumber is usually taken from the most sustainable forests in the U.S. Most types of wood siding can last over 30 years with regular staining. Materials. Cedar shingles are sawn directly from cedar trees and can be custom made to fit almost any length and thickness. 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. This treatment results in a Class A rating for fire resistance (figure 3). Figure 3—Fire-retardant treated wood shingles.
And the stuff must work. Fraser Cedar Products, a Canadian manufacturer, says it won't warranty its shingles in the Northeast, Southeast and Northwest unless they're CCA treated. The guarantee is for 30 years and treatment increases the cost of shingles by only about 10%. If . Jun 23, · Why Fire Resistant Roofing is Important for Every Home. Homeowners not living in areas prone to wildfires rarely consider fire resistance when weighing their re-roofing options. With traditional roofing materials, your home is only as fire resistant as your neighbors.
Asphalt Shingles Win Over Wood Shake Shingles Every Time! January 22nd, A Central Idaho fire chief called for a ban on wood shingles in after a devastating blaze. The city of Alamo Heights, Texas blocked builders from using wood shingles in new construction and remodels in September The Hazards of Fire Retardant Treated (FRT) Wood A Brief History The use of inorganic salts as a treatment to render wood fire-retardant is not a modern development. Indeed, approximately eighty years ago, the wood treating industry developed and later refined a pressure impregnation process where these mineral salts are forced deep into wood.
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Effectiveness of Fire-Retardant Treatments for Shingles After 10 Years of Outdoor Weathering Susan L. LeVan, Chemical Engineer Carlton A. Holmes, Research Forest Products Technologist1 Forest Products Laboratory, Madison, WI. Get this from a library.
Effectiveness of fire-retardant treatments for shingles after 10 years of outdoor weathering. [Susan LeVan; Carlton 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. Get this from a library. Effectiveness of fire-retardant treatments for shingles after 10 years of outdoor weathering. [Susan LeVan; Carlton A Holmes; Forest Products Laboratory (U.S.)].
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.
LeVan S, Holmes CA () Effectiveness of fire-retardant treatments for shingles after 10 years of outdoor weathering. Research paper FPLForest Products Lab Madison, WI, USA Google Scholar Nussbaum RM () The effect of low concentration fire retardant impregnations on.
The Wood Shake and Shingle Roof Hazard Ed Smith, Natural Resource Specialist North Lake Tahoe Fire Protection District There was a time when wood shakes and shingles were one of the few roofing materials available to the consumer.
Today, there are a number of roofing Effectiveness of fire retardant treatments. Spray-on or brush-on treatments of fire retardant chemical to wood shake and shingle roofs have limited longevity. Soon after Their effectiveness is dependent upon sufficient water treatments for shingles after 10 years ofoutdoor weathering.
Res. Pap. FPL Madison, WI: U.S. Dept. Combined Fire Retardant and Wood Preservative Treatments for Outdoor Wood Applications – A Review of the Literature Article in Fire Technology 44(1) · March with Reads. 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 Western Red Cedar Shingles blend beautifully with the surrounding area, and because they are treated with fire retardant, are less likely to catch fire.
In order to begin fire treating the Western Red Cedar shingles or shakes, all the air and moisture must be removed from the wood. This is done in a large pressure autoclave cylinder.
The natural weathering test does not exceed 10 year while in reality the life of a wood roof in the City often exceeds 20 years. The impact of the destructive effect of UV light, rain and moisture, and temperature changes on the fire retardancy beyond 10 years is not evaluated. FS2 is a water-based, post-treatment, interior/exterior fire retardant, and wood preservative that penetrates the material and bonds with the cellular structure.
FS2 contains polymers that maintain the fire retardation for up to five years for exterior applications. Shingles are categorized into classes that identify their fire resistance.
Class A roofing materials are the most fire-resistant; classes B and C denote progressively less fire-resistant qualities.
Generally, most fiberglass shingles have Class A fire ratings, and most organic shingles, such as treated wood shingles, have class C shareholderdemocracy.com: Caryn Colgan. Fire Retardant. When you choose fire smart cedar roofing from Watkins Sawmills, you can be confident your home is protected from nearby fires and sparks.
We are proud to be the only company in the world to offer long-lasting, in-house pressure treating using a powerful fire retardant. Fire proofing & Preservatives for Wood Shingle & Wood Shake Roofs.
Fire resistant treatment for wood shingle & wood shake roofs Wood preservative treatment for wood shingle/shake roofs Wood shingle roof inspection, failures, repair, product defects Key design details & references for preservative coatings & fire resistive coatings used on wood shingle roofs Questions & answers about.
Depending on the type of asphalt composition shingles you choose, you may get a longer service life from a steel roof, but as you point out, the cost of the asphalt comp is lower. Both have a Class A fire rating. An alternative to Densdeck would be a fire rated roll roofing product (some information about this product on the Firecenter webpage).
The accurate restoration of these historic structures has been a concern of park service officials in recent years.
Today cedar shingles are out to length and thickness from the best part of the tree, the heartwood. Shingles are sawn flat on both faces, which distinguish them from shakes, which are split along the grain. Durability of fire retardant treated wood products at humid and exterior conditions review of literature to different procedures and natural weathering up to 10 years.
Main conclusions are. By John Davis. Asphalt roofing manufacturers are using more polymer modified asphalt (PMA) in their roofing shingles with positive results. Although most standard roofing shingles are still made with blown asphalt, roofing manufacturers are increasingly using PMA, or styrene-butadiene-styrene (SBS) for their upgrade and premium shingles.
(Top coat for, ) BURN BARRIER™ Flat Latex Paint Fire Retardant Product Solutions for Cedar Shakes and Shingles. Interior Use: BURN BURN BARRIER™ Class A Rating (Wood) Exterior Use: BURN BARRIER™ 10 Class B Rating (Cedar Shakes) Fire Retardants, Inc.
Columbia Court North • Suite • Chaska. This article describes testing and standards for fire ratings and fire resistance of asphalt shingles and other roofing materials.
We also provide a MASTER INDEX to this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. Readers should see our complete list of standards for roofing and roofing products.Field exposure - 2 years Field exposure - 3 years Field exposure - 5 years Field exposure - 10 years Figure 3.
Reaction to ﬁre performance (as predicted time to ﬂashover) before and after accelerated ageing according to NT FIRE Method A, and after natural weathering at 45 slope during up to 10 years. Untreated.Longevity: A properly installed and maintained wood shingle roof should last 30 to 40 years, depending on the grade of wood used and the climate (sun and salt can shorten its life).
Proper installation includes a layer of material that allows air to circulate beneath the shingles, allowing them to dry after a rain and extending their life.