vapor barrier

Thank you everyone in advance. I’ve been researching this topic for awhile and have been going in circles. Here is the background: 1. Climate Zone 5A 2. Basement is all concrete block with about 18-24” above grade. 3. 1997 construction, not sure if the block is treated with any repellent, almost...

Hi. I am 2/3 of the way done with my bathroom tear down/ rebuild. I have installed 1/2 of my cbu (hardie board). I am using onyx collection pan and wall panels. The onyx collection people claim you do not need to waterproof under their panels.... I just wanted to know if you all agree with...

Between the back wall of my garage and the heated basement area there is a small workshop room that does not have duct work (but the main duct runs thru the overhead, so some heat from that). Both the garage & this room are damp. Block wall B is below grade & moisture comes from it. This room...

I have a steam shower and so it has a vapor barrier under the tile. I need to replace a valve cartridge which controls the water volume on my shower (regular water shower, independent of steam system). These are Kohler Purist valves. When I take off the trim work, there's an opening for...

Good morning, My project is moving... Slowly :) finally I ripped out all 30-years old drywall with tiles around bathtub (it was dark grey color with GYPSUM marking at the back) and the rest of the bathroom plus all pink insulation (man it was itchy!!!). So now I discovered black areas (mold-?)...

I am finishing my basement, and have a question on insulation. The home builders installed a fiberglass "blanket" drape over the entire cement foundation walls of the basement. This drape has a plastic layer that faces the living area, I am assuming acting as a vapor barrier. When the basement...