Pro Con Iso Board Roofing

Lower overall perm rating than many conventional insulation boards.

Pro con iso board roofing.

High moisture resistance and no capillarity. Can be used as a cover board in re roofing and new construction. Is stable and maintains its physical and insulating characteristics. Flexural and compressive strength pro vides a protective layer for insulation while working with the membrane above to ensure maximum performance and longevity.

Retroplus roof board is an expanded perlite mineral aggregate board. Because in reality you wanted to get iso for insulating value and fiber board has about 1 r per inch while iso has 6 r per inch. Use a roofing knife to trim foam board or a fine tooth saw to trim rigid board. Water proof non breathing barriers can trap moisture on roof deck unless properly vented foam material when contacted with electrical wires can be dangerous rigid foam board is fairly expensive compared to other options.

141 thoughts on pros and cons of tpo roofing marty potokar july 9 2020 at 5 01 pm. Insert a plate every 2. So even if you pay less in the amount of price difference between fiberboard and iso it will cost you much more to add that missing 5 r to your roof. Considering the need for repairs in the future wouldn t it be prudent to install at least 1 2 iso board and if so how would you suggest it be adhered.

The job is a second story addition. Trim the boards to fit as needed. Because of its light weight this material is easier to handle on the job site and installs faster. Get free shipping on qualified iso foam board insulation or buy online pick up in store today in the building materials department.

Certainteed flintboard iso polyisocyanurate roof insulation features a closed cell polyiso core integrally laminated to heavy black non asphaltic fiber reinforced felt facers. 7 things to know before choosing a metal roof if your current roof is the root of your headache and maybe even a long list of costly home repairs consider these metal roofing pros and cons.