Years ago, when few homes had insulation in their outside walls, no one worried about vapor barriers–there was no need for them. But now homes are better insulated, making it necessary to ...

If you fail to have vapor barrier, there is less likelihood of moisture issues within the wall structure, but more likelihood of moisture issues inside due to moisture diffusing into the space through ...

Once the vapor barrier is in place, you can add insulation in between the floor joists. Avoid the temptation to use expanding foam. One of my website visitors had a company do this and the ...

Denim insulation requires a vapor barrier with it. This is placed to prevent the denim from getting wet, causing it to compress and have uneven insulation. Adding a vapor barrier might also ...

Insulation typically comes in four types: fiberglass batt, foam board, spray foam and vapor barriers. To insulate a 1,000-square-foot floor area, expect to pay between $1,100 to $2,800 on average ...

However, if you use a rigid foam board that has a vapor barrier of some kind on the outside, this can cause problems because you’ll be sandwiching the insulation between two vapor barriers ...