WebOk what ever you do , do not insulate directly under the tiles . No matter how well you try and do it you will cause a conflict of areas ( the area that should be warm and the area that should be cold ) your insulation should go above your loft ceiling down the walls and along the lower ceiling . the area you are looking into ( although drafty ) is needed to keep your … Web28 Feb 2011 · The 2006 International Residential Code requires ceilings in Roy’s area (Climate Zone 5) to be insulated to at least R-38, Holladay says. If part of each rafter bay …
Rockwool and polyiso instead of spray foam to make a …
Web23 Aug 2024 · The shingle roof is less than 10 years old. The simple gable roof has 2×6 rafters. I’d like to apply 2 in. of closed-cell foam and then install 3 ½ in. of R-15 rockwool … Web1 Jan 2024 · The flexibility of the rockwool will go between the roof shingle nails, fill any voids, and allow the polyiso to be flush with the truss 2×4 cord. ... Unvented cut and cobbled cathedral ceilings (like you are proposing) seem to be pretty universally discouraged on GBA. ... diseases caused by microorganisms in animals
Types of Insulation for Your Home - This Old House
WebSloped, vaulted, and cathedral ceilings are different names for essentially the same ceiling configuration. These ceilings are very popular in newer homes and remodeled homes, and they certainly add dramatic visual interest to a room. But because there is little or no attic space separating inside and outside air, proper Web11 Oct 2024 · Wind washing is the effect of wind causing air to flow through or around air permeable insulation, thereby reducing its R-value. One of the most common ways this occurs is when you want outdoor air to come into an attic or a cathedral ceiling for venting. If the pathways for air flow aren’t defined precisely, wind washing is often the result. WebComfortbatt® R28/R30 in a cathedral ceiling Comfortbatt ® R28/30 + Comfortbatt® R14/R15 parallel on the attic Multi-unit partition wall with 3.5” Comfortbatt® on both sides and ROCKWOOL ROXUL SAFE® 45 as fire separation board Other ROCKWOOL stone wool insulation products: ROCKWOOL Comfortboard® 110 Rigid Insulation Board diseases caused by multiple genes