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Insulation Videos

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

Installing cellulose insulation in home attic
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How to Refresh Cellulose Insulation in the Attic

In this video, This Old House general contractor Tom Silva explains how to refresh cellulose insulation in the attic.

Choosing insulation for home
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How to Choose and Use Insulation

This Old House general contractor Tom Silva explains how to choose insulation.

Insulating window weight pockets
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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

Choosing the right insulation
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Things to Know About Choosing Insulation

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

Reading insulation r-value
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What is Insulation R-Value?

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

Installing fiberglass insulation
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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 cozier and energy efficient.

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Tips for Using Stone Wool Insulation

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

Insulating attic with fiberglass
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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.

Choosing and using foam insulation at home
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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 HVAC Ductwork

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

ASK S7 E7, sealing windows and doors for winter
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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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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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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 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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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 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