Q. I am currently installing rigid foam insulation around the exterior of my foundation. I'm installing 3 inches of it to a depth of 10-13 inches below grade to keep the heat in and the cold out. I ...

There are four main types of insulation: batt, blown-in (loose fill), rigid board and spray foam. Each has its advantages and limitations, but under the right circumstances, each can meet a ...

Copper metal is usually at the core of any electrical wire, and this carries the current for the entire device. Wire insulation is another crucial but understated component. Common wire is insulated ...