Insulation Installation

Read through step-by-step tutorials to help you prepare for any installation pertaining to your insulation.

Adding Attic Insulation

Can you blow insulation over existing insulation? How much is enough? We answer these questions and more.

By Danny Lipford

This Old House general contractor Tom Silva explains the wide world of spray-foam insulation

Learn how to beef up your wall's weather protection in 4 easy steps.

Ask This Old House general contractor Tom Silva discusses the options for insulation with host Kevin O’Connor

Tom Silva shows you how to keep cold air from coming through windows and doors.

From preparation to installation, here's a breakdown on basement insulation.