That may or may not be essential to the moisture performance from the assembly in your neighborhood local weather and soil ailments, but Really don't low cost it.
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They need to have equivalent R values for a similar thickness, a minimum of that’s what I’ve often witnessed. Rockwool is marginally significantly less dusty than thermafiber to setup, but Other than that, There may be small difference between The 2 items.
Mineral wool isn't a vapor retarder, not even a bit. Mineral wool is air permeable, and mositure can migrate ideal by means of as well.
Isn’t we are attempting to Enable the wall assembly to dry to the interior? Then one.twenty five “ insulation and then Roxul Bats limited versus ease and comfort boards ? Then Drywall with latex paint ?
I am on the lookout ahead on the TimberHP batts much too. When the pics are just about anything to go on, They appear great!
Some others below may well endorse you utilize Zip, then increase exterior insulation greater than R-six for Syracuse's cold local weather. Personally, That is what I might do nevertheless it adds Expense and complications that the contractor may not want to do if they have not done that get the job done Formerly. R-21 isn't many insulation for your personal incredibly cold Winter season climate, but certainly a major improvement about your existing volume of insulation!
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Eventually, mineral wool and fiberglass have Similar acoustic traits and they are way more comparable than They are really distinctive.
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Just up the wall your house has insulation inside the brick to kind the rooms. The brick will not seem to be effected by that. I’ll explore this issue too even though. I’d loathe to take a position thousands into this venture only to wreck the inspiration of the house.
The main reason is the fact although more info mineral wool contains a slight edge over fiberglass in acoustic transfer in a head-to-head comparison, the instant you put in either right into a wall, it gets the least crucial Portion of that assembly Which slight edge is erased.
The TJI bays have been insulated with mineral wool batts. The walls were being insulated on the exterior with two layers of mineral wool panels, put in with offset seams. The steel siding will be hooked up to your horizontal furring strips. The boldness on the metal siding is softened by the muted coloration decision. A wall segment.
When making a 3D product in the composition I found an R15 batt installed alongside the rafters could maintain an air gap of two″. However not demanded by code, I began to ponder if insulating among the joists and rafters would develop a more productive system.