The first, installing batt insulation, is definitely a do-it-yourself job. The second, spraying expanding foam insulation between the joists, is a job best left to the pros.

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 ...

For the insulation they’re using a year’s worth of boxes from various deliveries, and after a time-consuming process preparing the boxes for the shredder, shredding the strips of cardboard ...

Install a continuous termite shield between the band joist and masonry foundation wall that covers the wall insulation and extends completely outside (or leave a 2- to 4-inch insulation gap at the ...

Insulating the floor in your home will definitely make you more comfortable. Once you repay yourself in energy savings for the cost of installing the insulation, you’ll really start to save ...

Q: I have a room with a crawlspace under it about 20 inches high. The room has 12-inch floor joists, with rolled batt insulation. I’d like to insulate the block walls to reduce the amount of ...

When cold weather rolls in, take a moment to inspect the insulation in the basement crawl space of your home. In addition to helping cure cold floors, materials like plastic vapor barriers ...

Building science prescribes treating a crawlspace like a mini-basement. That entails sealing up any exterior vents and insulating inside of the exterior walls.

Installing insulation in the bays between the floor joists impedes the migration of heat from the warm house to relatively cooler crawl space. There are two ways to insulate a floor.

Insulate the band joist with batt insulation, as well as the crawl-space access if it is in the wall.

However, in most climates, simply insulating the foundation walls and rim joists should be sufficient and will help to control humidity levels in the crawlspace.

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 s… ...