Pro Con Iso Board Roofing

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.

Pro con iso board roofing.

High moisture resistance and no capillarity. 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. 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. 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.

Flexural and compressive strength pro vides a protective layer for insulation while working with the membrane above to ensure maximum performance and longevity. The roof has a 6 rise in a 16 ft span. 141 thoughts on pros and cons of tpo roofing marty potokar july 9 2020 at 5 01 pm. Because of its light weight this material is easier to handle on the job site and installs faster.

Position the fastening plates over the insulation board. Certainteed flintboard iso polyisocyanurate roof insulation features a closed cell polyiso core integrally laminated to heavy black non asphaltic fiber reinforced felt facers. Use a roofing knife to trim foam board or a fine tooth saw to trim rigid board. 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.

Is stable and maintains its physical and insulating characteristics. Trim the boards to fit as needed. The job is a second story addition. Lower overall perm rating than many conventional insulation boards.

Can be used as a cover board in re roofing and new construction. Flintboard iso is marked on one side for use with hot applied systems and is unmarked on the opposite side for use with single ply systems making this a universally adaptable product suitable for a variety of applications.