Metal sheets and shingles can be fashioned to resemble cedar shake and other roofing materials but without the fire hazard.
Fire retardant for wood shake roof.
Selected fire retardant chemicals and the shingles.
If you have a wood shake roof and do not have or cannot find documentation from the manufacturer that specifies the fire rating of the wood shake assume it is unrated.
Not only do their roofing shakes have a class a impact resistance rating but they also have a class.
Roof should be inspected annually by a professional for signs of aging wear insect infiltration rot etc.
Porous woods cedar shake.
Nonetheless some communities where fire risk is particularly high los angeles california newcastle new hampshire.
Cedar shake roofs are prone to algae moss growth which can endanger both your family s health safety.
Additional fire protection methods for roofs.
Class b fire retardant treatment is effective against moderate fire exposures.
Fs2 protects exterior and interior woods such as.
Fs2 contains polymers that maintain the fire retardation for up to five years for exterior applications.
For those that want the cedar shakes but the safety of more fire retardant materials there are cedur fire retardant cedar shakes.
Examples of roof coverings with a by assembly fire rating include aluminum some fire retardant wood shake products and recycled plastic and rubber products.
Ftx was the first legal fire retardant treatment approved by the california state fire marshal including class a b and c application.
Bility of wood shingles meant that up until the early 1900 s many roof coverings were of wood.
Fs2 is a water based post treatment interior exterior fire retardant and wood preservative that penetrates the material and bonds with the cellular structure.
Some builders add products such as kynar.
This insulating metal roof product is resistant to fire corrosion abrasion moisture and uv rays.
Their synthetic cedar shakes are molded from real cedar wood shakes so they maintain that traditional look but are made with very strong polyurethane material.
Brava composite cedar shake tiles are not only energy efficient they are far more durable than wood shingles and require virtually zero maintenance.
When it rains moss traps moisture and prevents the cedar shake roof from ever drying out.
The same article however quoted don meucci from the cedar single shake bureau who said that tests performed on fire retardant treated wood shingles from a 16 year old roof passed the current fire resistance tests of that time.
Under such exposures roof coverings of this class are not readily flammable afford a moderate degree of fire protection to the roof deck do not slip from position and pose no flying brand hazard.