4d extend insulation into joist space to reduce air flows.
Should wall insulation touch the floor.
When installing drywall should it rest on the floor.
Also insulate 4a any portion of the floor in a room that is cantilevered beyond the exterior wall below.
First time remodelers often make the mistake of letting drywall rest on the floor while attaching it to the vertical wall studs with screws.
Moisture can build up eventually leading to mold wood rot and foggy windows.
4c as an alternative to floor insulation foundation walls of unvented crawl spaces.
If not the place where the insulation touches the concrete will be overtaken by mold and mildew.
4b slab floors built directly on the ground.
Be cautious about using fiberglass insulation.
Many homeowners have made the mistake of drilling holes in walls blowing in cellulose insulation and tightly sealing walls back up.
This method may allow condensation to form inside walls.
One way to insulate walls of an old house is to focus on the home s exterior.
If you must use fiberglass there needs to be a space between the insulation and the wall.
Kingspan s new range of vacuum insulated panels vips offers an interesting solution for those needing an ultra thin build up.
Kingspan installing insulation on top of the floor can present problems with ceiling door and window cill heights.
Kingspan vips offer an ultra thin build up of just 26mm image credit.