Getting hit with a huge utility bill is unpleasant, but it’s even worse when you know that it’s high due to heat or air conditioning loss through the doors, windows, or walls. Fitting exterior walls ...

Insulating exterior walls with new insulation in a hidden wall cavity during an upgrade is challenging. Insulating outside walls cavities with injection foam shows promise as one solution. It’s not ...

If you’re going to replace the siding or cladding on the exterior of your house, you should take the opportunity to add external insulation for a more comfortable house and lower energy bills.

Q What’s your recommendation for boosting wall insulation? I’m planning to remove all old wood siding and wall sheathing, all existing insulation, then add new insulation from the outside, new ...

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