WDR Roofing Company Austin - Roof Repair & Replacement
Austin, TX, USA
Your plan to implement 2-inch-thick EPS as your air flow baffle will get the job done. The EPS is to some degree vapor-permeable, so it will allow a little bit of outward drying. (In almost any scenario, should you Create a fairly airtight ceiling, there will not be any moisture With this assembly that ought to escape.)
I such as detail provided but I would not connect with that a cathedral ceiling problem as it contains ceiling joists spanning at The underside from the roof rafters. I might simply call this an insulated attic.
Another way so as to add R-worth to the roof assembly is to include 1 or 2 levels of rigid foam while in the roof assembly — both earlier mentioned the roof sheathing or underneath the rafters.
I've an unfinished attic, with cathedral ceiling, no insulation at the moment. in five-10years we might be including dormers, but in the meantime i want to increase insulation and drywall in The only, most reversible/salvageable fashion. My plan is to hang 2 levels of two inch polyiso underneath the rafters, taped with staggered seams leaving the rafters empty, so basically a vented assembly. I have included blocking to the ground joists and could make the polyiso continual within the knee walls. I thought i would increase furring strips on top of the insulation then dangle drywall, thinking that the furring strips would create an airgap, allowing the foil to work as a radiant barrier.
Customer Service was paying homage to the old times. They communicated as required with regards to rain delays. Their personnel installed a wonderful, new roof, cleaned up immediately after on their own, and remaining my roses in the same condition as they company roofing kent were just before they arrived.
With my household the center portion (20ft) is vaulted, a 3x12 slope and has eight recessed lights throughout. I have had leaks in various locations During this segment of your house, the leaks materialize with the thaw and refreezing. It obtained The purpose previous year exactly where I needed to shovel the whole roof immediately after Each and every snow tumble.
I seem to recall this but, it has been awhile. Looks there are various choices for us right here. Many thanks for all of your assist and also the refresher. Once more I celebrate the valuable dissemination of information Within this specialized age vs searching for a book.
I am like a photograph of the answer: spray foam held down through the best edge of the rafters so that air might be drawn up from soffit vents to gable vents within the truncated attic cavity.
for an unvented development with no insulation previously mentioned the sheathing, how about using wood fibreboard in between the rafters right under and in touch with the sheathing? All gaps involving the boards as well as rafters filled with increasing foam / sealant. You could potentially then go over the rafters with rigid foam to deliver your insulation up to demanded R stage and lessen the danger to your rafters and sheathing, and afterwards put in your airtight drywall redirected here underneath this.
Many of my neighbors listed here have cathedral ceilings, no attics find out here and Definitely no insulation (generally they have aluzinc roofs on plywood with pine rafters).
You explain your proposed air barrier as "taped felt." I don't Assume asphalt felt may be correctly taped, and I do not Imagine that asphalt felt would make an excellent air barrier.
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A. It is best to only use an installation approach that your insulation contractor is common with. Below during the Northeast, lots of contractors would possibly fill your rafter bays using the dense-pack approach soon after your new roof sheathing was mounted.
The roof was shingles on t&g pine decking. Insulation was appropriate up towards that pine decking since 77 and is particularly 2014. Stuff appears like it absolutely was installed yesterday. Not a bad spot any place, no roof vents totally unvented roof.