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Insulation Videos

These This Old House videos showcase all of our insulation projects, how-tos, and designs.

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How to Retrofit Cellulose Insulation

In this video, This Old House general contractor Tom Silva explains how to install cellulose insulation

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How to Seal Windows and Doors for Winter

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

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200 Years of Building Sheathing Technology

Kevin O'Connor and building science expert Joe Lstiburek discuss the benefits of using OSB sheathing

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How to Choose the Right Insulation

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

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How to Seal Leaky Ductwork

Ask This Old House plumbing and heating expert Richard Trethewey shows an innovative new way to seal ducts from the inside

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Understanding Insulation and R-Value

Ask This Old House general contractor Tom Silva explains R-value and the need for good insulation

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Tips with Tommy: Stone Wool Insulation

It’s efficient, easy to install, and incredibly effective; hear what Tom Silva has to say about this versatile insulation product

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How to Insulate Ductwork

This Old House plumbing and heating expert Richard Trethewey helps a homeowner insulate his ductwork

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How to Beef Up Attic Insulation

Cost-effective way to save energy with This Old House general contractor Tom Silva

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How to Choose and Use Foam Insulation

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

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How to Insulate an Attic with Fiberglass

This Old House general contractor Tom Silva shows affordable ways to create an energy-efficient attic

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How to Install Fiberglass Insulation

This Old House host Kevin O'Connor shows how to fill gaps and make a space more cozy and energy efficient

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How to Choose and Use Insulation

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

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5 Steps to Finishing an Attic

This Old House's Two-Minute Expert explains what goes into creating a bonus room under the rafters

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How to Insulate Window Weight Pockets

In this how-to video, This Old House general contractor Tom Silva shows an energy-efficient way to insulate old windows

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How to Insulate an Attic

In this how-to video, This Old House general contractor Tom Silva and host Kevin O'Connor demonstrate the proper way to insulate an attic

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How to Insulate a Window with Sash Weights

In this how-to video, keep out the cold with This Old House general contractor Tom Silva