DEAR TIM: I am currently installing rigid foam insulation around the exterior of my foundation. I’m installing three inches of it to a depth of 10 to 13 inches below grade to keep the heat in ...

All of these are referred to as foam board insulation ... will determine your insulating options and the cost to install wall insulation. A new construction project, such as a new home or an ...

Cons: Foam board insulation can be harder to install snugly in unusually shaped spaces, leaving gaps for air to flow. To create an effective air and moisture seal, you need to tape all seams ...

Additionally, foam board installation is susceptible to moisture buildup, so good attic ventilation is a must to prevent mold. The next most common type of attic insulation is fiberglass (also ...

Is your home suitable for cavity wall insulation? Do I need planning permission for cavity wall insulation? How to install cavity wall insulation ... polystyrene beads or polyurethane foam. The ...

Rigid board insulation consists of solid foam boards that offer thermal and ... “we’re finding it’s easier and more cost effective to just install new rows of purlins on top of the damaged ...

Newly constructed homes may also use spray foam or install rigid board insulation below the exterior house siding. Wall insulation will range in cost from $1 to $4 per square foot. Home insulation ...