Cover boards are installed directly under the membrane and above the insulation.
1 2 roof cover board.
It s light weight provides ease of handling.
It is available in thicknesses of 1 2 inch to 3 inches with 1 2 inch increments in between.
With over 80 psi compressive strength and a durable coated glass facer energyguard hd is an ideal board for protecting your roof against the elements.
And states the roof system types specialty systems and attachment options that can be utilized specifically with.
Isogard hd cover board provides the highest thermal performance of any 1 2 insulation cover board product on the market and it is resistant to extreme weather conditions.
Energyguard hd has an r value of 2 5 the highest of any cover board and at 11 lb.
They enhance a membrane roof system in several ways preventing or minimizing the potential damage that may occur during inclement weather.
Superior dimensional stability over competitive gypsum fiber boards is due to their low coefficient of thermal and hygrometric expansion.
Shown to withstand delamination deterioration warping and job site damage far more effectively than paper faced.
Many are fastened directly down into the deck or they can be adhered to insulation with low rise foam adhesive or hot asphalt.
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Commercial roof cover board performance.
Per 4 x 8 board it s a fraction of the weight of gypsum cover boards.
Rigid roof insulation board.
Fiberboard insulation is manufactured in standard boards that measure 2 feet by 4 feet.
Composed of a closed cell polyisocyanurate foam core bonded in the foaming process to 1 2 thick duraboard an expanded perlite mineral aggregate board on one side and a fiber glass reinforced facer on the other.
Lightweight and easy to cut and install this high density cover board offers savings from reduced transportation costs labor and material during application.
Inventory is sold and received continuously.
Prices promotions styles and availability may vary by store and online.
Explains how the forces of nature affect roof function and durability.
Tested in accordance with astm e84 its surface burning characteristics are flame spread 0 and smoke developed 0.
Stagger the cover board and insulation joints.
According to the national roofing contractors association nrca roof cover boards are critical for functional roof assemblies with good reason.
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Summarizes the advantages related to the construction process and cost benefits when including a cover board.
Densdeck roof boards are fm tested and approved as the only 1 2 gypsum product to meet the calorimeter requirements for conventionally insulated decks.
To ensure cover boards are installed correctly.
The thermal resistance at a 2 inch thickness is an r value of 5 26.
The course discusses the evolution of roofing cover boards.