Is stable and maintains its physical and insulating characteristics.
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.
Insert a plate every 2.
Trim the boards to fit as needed.
Can be used as a cover board in re roofing and new construction.
Certainteed flintboard iso polyisocyanurate roof insulation features a closed cell polyiso core integrally laminated to heavy black non asphaltic fiber reinforced felt facers.
Lower overall perm rating than many conventional insulation boards.
The job is a second story addition.
Get free shipping on qualified iso foam board insulation or buy online pick up in store today in the building materials department.
High moisture resistance and no capillarity.
Use a roofing knife to trim foam board or a fine tooth saw to trim rigid board.
141 thoughts on pros and cons of tpo roofing marty potokar july 9 2020 at 5 01 pm.
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.
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.
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.
The roof has a 6 rise in a 16 ft span.
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.
Because of its light weight this material is easier to handle on the job site and installs faster.