Any rotten or damaged boards must be replaced before applying new shingles.
Roofing recovery board definition.
Hardrock multi fix recovery board has been specifically designed for flat roof refurbishments as an aesthetically pleasing fire resistant insulation.
Use in asphalt and single ply roofing systems or as a recovery board.
A cover board is a thin substrate to which a roof membrane is adhered.
A thermal barrier which is when the cover board is installed directly to the deck to enhance internal fire resistance.
Maintaining roof surfaces is crucial for the protection of property both in commercial and domestic settings.
Cover boards should be set over the bottom layer of insulation.
Acfoam recover board is used in built up bur modified bitumen mechanically attached single ply and adhered single ply roofing systems.
Densdeck roof boards are fm tested and approved as the only 1 2 gypsum product to meet the calorimeter requirements for conventionally insulated decks.
Thd sku 923915.
Even if the roof is aged significantly or has sustained damage from weather and accidents over the year roofing recovery board can help restore it to a usable state once more.
We all know how problematic a leaky or damaged roof can be.
Cover boards have a variety of uses within a roofing system.
Manufactured and tested for use in recover applications.
Tested in accordance with astm e84 its surface burning characteristics are flame spread 0 and smoke developed 0.
Fully adhered cover boards should be applied in accordance with proper roofing procedures.
Roof cover boards act as a thermal and fire barrier.
In addition to being an eyesore it can leave the inhabitants of a building.
Without a cover board the roof is missing added durability.
How recovery board helps roofers.
However the use of a cover board far exceeds that of a substrate it also serves as a critical component that helps to extend the life of a roof.
These roofing systems depend on proper installation for successful performance.
The building is more susceptible to hail fi re and wind damage.
The cover board should be secured to the bottom layer of insulation in a full and even application of hot asphalt applied at a rate of 30 pounds per square or specially formulated adhesive.
It is treated for surface retention of bitumen and available in 2 x 4 0 6m x 1 2m 4 x 4 1 2m x 1 2m and 4 x 8 1 2m x 2 4m with a nominal thickness of.
For best roof performance consider re decking board roof decks with a layer of apa the engineered wood association grade plywood before installing new shingles there are more than two layers of existing shingles on the roof.
Withstands normal deck traffic.
Energyguard perlite recover board description energyguard perlite recover board is a heavy duty 1 2 thick perlite roof insulation board composed of expanded perlite cellulose binders and waterproofing agents.