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5
votes
3answers
4k views

What are the pros and cons of a vented vs unvented crawl space?

I find it very confusing to read and hear conflicting advice on crawl space: vent vs air seal, different ways to do insulation, vapor barriers vs not, etc. Mine currently has some moisture and has ...
0
votes
2answers
7k views

Should I install a moisture barrier behind drywall in house with T1-11 siding?

My home interior walls are thick redwood paneling in the bay area mountains. i'm about to start removing the wood in my second bedroom and want to install a moisture barrier on the 1 outside wall of ...
5
votes
1answer
418 views

What is good advice for a beginner layng insulation?

Background I have a manufactured home from the 70's with metal siding, wood studded walls and fiberglass insulation on the inside. I had a clogged gutter, which caused water to run behind the siding, ...
4
votes
2answers
1k views

What happens when a vapor barrier is too close to the cold side?

The vapour barrier must be installed on the warm side of the wall, that is on this interior side of the house. It is permissible to have it sandwiched in the middle between two layers of insulation, ...
8
votes
2answers
7k views

How to properly insulate a garage?

I'm considering insulating (and drywalling) my garage, which already has insulated garage doors. My main goal is to keep it from getting much below freezing during the winter. This garage is located ...
0
votes
0answers
196 views

Do I need a vapor barrier between the insulation and finish wall in a new garage?

Can I put plastic between the insulation and finish wall in a new garage? Or would we gain anything by doing this? We have some who told us to do this and others who say definitely do not. There is ...