WDR Roofing Company Austin - Roof Repair & Replacement
Austin, TX, USA
Your plan to use 2-inch-thick EPS as your ventilation baffle will operate. The EPS is somewhat vapor-permeable, so it enables a little bit of outward drying. (In any situation, in the event you Develop a reasonably airtight ceiling, there will not be any dampness With this assembly that ought to escape.)
Am i able to get some more commentary within the "entire roof" of Ice & H2o Shield? I believe this experienced extremely little to do with the failure. The reason why I talk to is I've an identical "complete roof" layout coming up, HOWEVER, the rafter bays are all straight runs with soffit vents, continual vent baffles (1/2" plywood) and steady ridge vent. Dense pack cellulose, 2" XPS down below 2x10's, air tight drywall (XPS can be sealed up far too).
HomeAdvisor verifies condition-stage licensing exactly where applicable - Notice: some states involve regional or county amount licensing and you need to confirm if your Professional is properly accredited. Business Overview
I currently sprayed and Minimize cobbled four inch of shut mobile. I will redo the roof upcoming yr, but I assume now it is just too late to think about eps/iso along with roof because i presently unvented the attic.
It makes sense to verify the top layer of sheathing can dry to the exterior when using rigid insulation on an unvented cathedral ceiling. But what about the advised water-proof underlayment for valleys, eaves, and lower-slope sections of roof?
Altering the Intelo membrane to glued & taped OSB or Plywood with a services cavity below made from framing lumber does make the assembly a lot easier to create.
Ensure that you install insulation that presents at least the minimum amount code prerequisite for ceiling R-price. Insulation that visit our website exceeds the minimum code necessity is better yet.
HomeAdvisor employs 3rd social gathering knowledge sources to conduct a felony look for any appropriate legal activity associated with the owner/principal of the business.
The edges with the roof are included with asphalt shingled (GAF Slateline to be specific). It appears like I should pull down the fiberglass and possess it spray-foamed before I drywall.
So a hybrid solution has to be investigated. Dense packed cathedrals with warmside ridged roofing company austin texas foam to incorporate R, taped, no recessed lighting or other air paths after which belt and suspenders... Insert venting Although there's no standard 1" vent route.
two. Everytime you set up fiberglass batts, air barriers are way more important than vapor Handle. You'll need a good air barrier on both sides of the fiberglass batts.
Hi John - This undertaking was in Vermont within a ten-yr outdated residence and as the caption indicates, the key culprit was leaky can lights within the cathedral ceiling. But the situation was exacerbated by an hooked up greenhouse, which communicated with the rest of the residence, as well as a clothing dryer vented towards the indoors in the Wintertime.
If you want to establish a ventilated insulated sloped roof assembly, decide on a form why not check here of air flow baffle that could be installed in an airtight manner. Web page-crafted baffles are best.
Install rigid foam insulation earlier mentioned the roof sheathing and air-permeable insulation between the rafters. This type of assembly is meant to dry to the inside, And so the assembly should really hardly ever involve an interior polyethylene vapor barrier. If you select this method, it’s possible (although not vital) to setup vent channels in between the top with the rigid foam and the best layer of roof sheathing by installing a number of parallel 2x4s — a person earlier mentioned Each individual rafter — extending from soffit to ridge. (For more info on this approach, see How to setup Rigid Foam On Top of Roof Sheathing.)