Q: Should we insulate the rim-joist cavities of a crawlspace foundation? I am a builder, and where I live the codes require insulation, but I have discovered that the insulation causes decay and mold ...

Q: What are rim joists, and how do you insulate them? Our home was recently inspected, and the buyer asked that we pay for the repairs. Is this something I can do myself? A: Rim joists are the boards ...

In a house with an unheated basement or crawl space, adding insulation beneath the main floor can save on heating bills and increase comfort during the winter. Usually, the job involves fastening ...

Q.I live in a small condo. My upstairs neighbor put in creaky wood floors. I hear every step he takes. I have heard that you can insulate between floors, but that mostly it helps with television noise ...

Insulation in floor joists helps with thermal performance and sound. We are building a garage apartment and used ROCKWOOL to insulate the floor platform. This is video #2 in our 4 part series on ...

I have two rooms with marble tile floors. One is over an unheated crawlspace; the other is over an unheated basement. The floors were installed before there was the option of putting warming pads ...

DEAR TIM: The crawl space under my 1910 home is just exposed dirt and leftover building materials. I need to add a vapor barrier and wonder about the best one. The foundation consists of granite slabs ...

Q: My single-level, end-unit condominium, built in the early 1980s, is always cold, despite the fact that the outside walls are insulated and the windows are double glazed. I have a gas furnace in the ...

Q: We have a bathroom on the ground floor, and we're replacing parts of the subfloor because they have dry rot. The subfloor is above concrete. Do you recommend putting insulation between the concrete ...

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Anyone who visits their attic might realize just how poorly that space is insulated. What should be done, if that's the case, to insulate the house properly? Jamie Wine, executive director of the ...