Blue Board Insulation Tips
If you have a space or basement where framing the walls for insulation isn't an option, you can install blue board insulation to keep it the temperature you want inside your home. Also called rigid foam insulation, blue board insulation comes in sheets which you attach directly to the wall like drywall. As with other types of insulation, you'll still need to put drywall over the blue board insulation sheets.
Use in Small Spaces
If you have a tight space or a small room, use blue board insulation on the walls instead of blanket insulation. Blanket insulation installation requires building framed stud walls, but you can attach blue board insulation to the wall directly using furring strips. Once the board is attached, you'll need to cover it with a sheet of drywall, but you'll only lose about an inch or two of room. Only insulate the outside walls of your home to save money while still making the space more energy efficient.
Stick With It in Cold Climates
Rigid foam insulation or blue board insulation has a higher r-value than blanket insulation, so stick with it in cold climates. The higher the r-value of the insulation, the higher the thermal properties of the insulation are, meaning less air escapes from the inside of your home to the outdoors and vice versa. Because of its high r-value and board construction, blue board insulation is also often used on walls where drafts may become a problem.
Cut to Size
To keep your home snug and comfortable all year long, cut each piece of blue board insulation to size, so it fits snugly into the space where you're installing it. Do not leave gaps between the edge of the blue board and the wall next to it, if possible. Gaps between the insulation and the wall can allow cold spots or drafts to develop in your home, and keep the space from being energy-efficient.
Avoid Lights and Vents
When installing any type of insulation, including blue board insulation, you want to avoid lights, light fixtures and heating vents. Although insulation is rated for fire-resistance, insulation is flammable and can lead to a fire if it's installed too closely to a hot light or over a heating vent. Install blue board insulation at least 3 inches from the edge of any light or light fixture, and do not ever use blue board insulation to cover a vent.
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