R-Values of Safe’n’Sound vs. Comfortbatt Rockwool Insulation
Jun 6, 2018 · Safe'n'sound vs Comfortbatt R-? (Not rated) vs R-15 3" thick vs 3.5" thick estimated cost per sq ft: $0.80 vs $0.77 I read somewhere that Safe'n'Sound is denser and better at sound insulating.Which I like the sound of. :) But my mind says "What about that last 1/2" that Safe'n'Sound doesn't fill? I think it ought to be filled. And why can't someone (or has someone) tested the R-value of the ...
R-Value of Roxul SafeNSound? - GreenBuildingAdvisor
Dec 3, 2021 · For a quiet home, Roxul Safe’n’Sound is the right choice. “ However if density compromises the R value, wouldn’t the ComfortBOARD be even lower R-value (the harder stuff used for exterior insulation). The comfortboard is rated at R4 per inch whereas the batt is R4.18 per inch. Makes me think the Safe’n’Sound is in the 4 to 4.18 range?
Rockwool (Roxul Insulation) in 2×6 walls - GreenBuildingAdvisor
Mar 27, 2020 · I am in Zone 5, 2×6 walls on a single floor home. I have spoken with three insulation companies and WOW is close cell spray foam expensive. The plan is to do R49 close cell under the roof deck to the seal plates, then Roxul Rockwool R23 for the 2×6 walls. My first concern is Rockwool safe?
Foam board or Rockwool for insulation/sound insulation
Feb 11, 2022 · Safe'n'Sound has a density of 2.5 lb/ft³, an STC (sound transmission class) of 45 on 16” center wood studs, 52 with 24” center steel studs, and 50 when used between floor joists. Roxul/Rockwool makes ComfortBoard rigid board insulation for exterior insulation that is much heavier and attenuate sound better than foam.
rockwool - anyone with a guess about specs not given for R value …
Nov 2, 2020 · The safe and sound product is the same as the normal mineral wool insulation in terms of R value per inch, safe and sound is just a little thinner so that it doesn't contact the wall surface on both sides of the wall. Normal mineral wool is R15 at 3.5 inches, the safe and sound variant is typically 3 inches thick, which will be about R12.8 or so.
Rockwool R15 vs Safe & Sound Interior Wall - GreenBuildingAdvisor
Sep 26, 2022 · If you have the physical space, a second layer of drywall, ideally 5/8" type X, in additional to the mineral wool between studs will help with sound blocking. BTW, when installing mineral wool in stud bays for sound attenuation, you want it pressed against the drywall on ONE side of the wall only, with an air gap on the other side.
Has anyone tried Roxul Safe N Sound (or similar) for soundproofing?
Sep 2, 2013 · Leave both layers of ceiling drywall 1/4" from the walls and caulk the gap. Be very careful not to screw into the framing above and short-circuit the res bar. have had good success with Safe and Sound but you may be right that the difference isn't …
Using RockWool in between roof rafters? - GreenBuildingAdvisor
Jan 27, 2020 · In Zone 2 Texas with dark shingles it's relatively safe to use (moisture buffering) cellulose between the rafters without venting even at R30, with a modest increase in risk if going with fiberglass or rock wool. See Table 3 in this document the "2A Houston" row, the "Spray Fiberglass" and "Cellulose" columns:
Hydrophobic Properties of Mineral Wool - GreenBuildingAdvisor
Jun 4, 2021 · Here are my 24 hour wicking test results (thanks for all your counsel). From least to most wicking ... 1. Fiberglass batt (did not absorb beyond the water level of the tray) 2. ThermaFiber SAFB mineral wool batt. Minimal wicking. 3. Safe'n'Sound mineral wool batt. Minimal wicking. 4. Cellulose. Wicked right to the top of the sample. 5.
Does Rockwool Insulation, Un-faced or Faced Still Require Vapor …
The rest of your recommendations ALL sound completely reasonable, very doable and will form an excellent "road map" for how to proceed. Just to test my mettle, I recently received an estimate from a reputable insulation company complete an entire Johns Manville TempControl Mineral Wool version of my insulation project for $3K.