After discussing siding possibilities and preferences for an exterior aesthetic with Chris and his wife, Kris Erickson, we agreed to create a “contemporary farmhouse” layout Resolution with vertical metal paneled siding.
They might also incorporate insulating the garage ceiling with John Manville R-30 Kraft Fiber Glass. Becoming a bit of the stubborn Do-it-yourself-form, I'm inclined to acquire every one of your perfectly-considered-out tips and run with them! You will find nothing at all more to state, apart from that your tolerance with my hairy very little attic undertaking is appreciated in excess of you are going to at any time think about!
Over-all, mineral wool is an excellent making substance with very good functionality steps but it really provides a significant manufacturing impression.
Given that the exterior walls had an interior polyethylene vapor barrier, we couldn't only wrap the outside of your house with 4 inches of polyiso rigid foam (an strategy that appears to becoming the conventional for DER initiatives inside the U.
I’m assuming this is a vented attic because you're speaking about vent baffles. If you set all your insulation inside the attic flooring, You simply have to have baffles with the eaves to avoid wind washing. It is possible to’t insert insulation between the rafters to add to the total R price for code needs — You need to place entire code minimum insulation both within the rafters or on the floor. You could’t break up the total just how you’re describing. That said, you may add some extra to slow heat reduction a little bit, but I doubt It could be worthwhile.
A single slightly amusing difficulty that we didn't anticipate: birds want to nest in rock wool! Once we set up insulation above head peak, the phrase obtained out to the hen Group that there was some key housing to squat in! The birds would rapidly burrow cleanse round holes to assert their very own minor condo.
You may get blown mineral wool insulation. I’ve in no way used, or simply seen, the things, nevertheless it’s available. When you don’t would like to use cellulose (which will likely be the preferred selection for blown in insulation within an attic), you’d probably be most effective off working with blown mineral wool rather than batts. Blown insulation is really finest for an attic flooring, and it’s unquestionably the easiest to apply. You furthermore mght get the benefit of no concerns with thermal bridging since you bury the ground joists in the insulation. Bill
In addition to a positive connection to the present wall plates we were being in a position to do away with the structural hundreds on the existing 2×six roof rafters, which were equally structurally undersized and struggling to handle Considerably insulation inside their constrained depth.
Yet one more detail, if your attic has a hatch, or pull-down stairs, you'll need to be sure that just isn't an enormous gap inside the air and thermal boundaries. Here's some much more data on that:
He had painstakingly rewired and re-plumbed your house and experienced created energy effectiveness advancements (including the set up of the large-performance all-natural gas boiler and radiant in-flooring heating). He had also devoted Considerably sweat fairness towards upgrading the inside finishes of your kitchen area and baths.
Once i initially achieved Chris Gleba and Kris Erickson in December 2011 to debate their options for just a deep Power retrofit, Chris advised me that he had been remodeling his modest two-bedroom property in Lowell, Massachusetts, for over 10 several years.
I concur with all that Invoice said and hope that you'll be not overthinking this. In attics like yours there is a straightforward and cost efficient strategy: Pull out the aged insulation, put many energy into air sealing the ceiling within the attic, and blow in as much insulation as you may afford to pay for, with blocking and vent baffles on the eaves to circumvent wind washing and preserve air circulation into the ridge vent. This can be messy and someday not comfortable to complete, but in addition pretty Do it yourself-friendly function.
>"To Restrict dampness traveling from CMU wall to insulation ? Isn’t we are trying to let the wall assembly to dry to the inside?" Concrete & CMU foundations need not dry toward the interior. Those varieties of foundations perform just fine regardless if fully saturated with drinking water, and therefore are not degraded by moisure unless It is really regularly transferring with the concrete in more info a high fee taking minerals with it.
So now I am thinking seriously about both equally the “breathable house wrap” and “sensible vapor retarder” references you lifted. I am attaching quite a few sketches and images that can help show the problem areas I want to deal with: