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.
Pro con iso board roofing.
The roof has a 6 rise in a 16 ft span.
Use a roofing knife to trim foam board or a fine tooth saw to trim rigid board.
The job is a second story addition.
Certainteed flintboard iso polyisocyanurate roof insulation features a closed cell polyiso core integrally laminated to heavy black non asphaltic fiber reinforced felt facers.
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.
Flexural and compressive strength pro vides a protective layer for insulation while working with the membrane above to ensure maximum performance and longevity.
Position the fastening plates over the insulation 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.
Get free shipping on qualified iso foam board insulation or buy online pick up in store today in the building materials department.
Can be used as a cover board in re roofing and new construction.
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.
Retroplus roof board is an expanded perlite mineral aggregate board.
Trim the boards to fit as needed.
Insert a plate every 2.
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.
Is stable and maintains its physical and insulating characteristics.
High moisture resistance and no capillarity.