Composed of a lightweight cementicious core to provide exceptional impact resistance.
How to secure iso board under tpo roof.
Just install the 2 inches of closed cell spray foam on the underside of the roof sheathing followed by about r 36 of fluffy insulation on the underside of the cured spray foam and stop worrying.
5 tips for installing isoboard thermal insulation as a ceiling.
Isoboard can be installed directly below the existing ceiling as a retrofit.
A cover board is typically a gypsum board that is installed directly under the membrane.
Tpo insulation and cover boards learn about tpo insulation and cover boards.
Use a drill to drive.
Since this polyiso is as thin as 1 4 inch in certain areas it s best to ignore it.
In this case if there s only one roofing system in place is to install a cover board over the tpo roof cut the flashings off and then install a spray foam roofing system.
Insert 3 inch galvanized screws through the fastening plates.
Position the fastening plates over the insulation board.
Cover boards provide a more solid backing than the insulation boards alone which improves the puncture resistance and long term durability of the roof.
Cover boards are strongly recommended on roofs where regular foot traffic or maintenance work will.
Exceptionally high compressive strength improves overall roof system performance cement board is able to withstand prolonged exposure to moisture and is ideal for systems where wind uplift and puncture resistance are a concern.
This will save you money from completely tearing off the existing roof and installing a new tpo system.
Insert a plate every 2 square feet of insulation board.