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Insider Exclusive: Home Tech Q&A with Ross Trethewey (November 23 at 3:30 PM ET)

In order to view these Q&As, you must have access to YouTube or belong to our private Facebook group just for Insiders. You will need to provide your member ID or account email in order to be accepted into the Facebook group.

Benefits of Stone Wool Insulation

Learn how the natural power of stone can increase the comfort of your home.

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.

Insider Exclusive: Behind the Scenes Q&A with Producer Chris Wolfe (November 17 at 4 PM ET)

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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 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

Richard Trethewey pointing out how to add radiant heating to a solid wood floor
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How to Install Radiant Heat Under a Solid Wood Floor

This Old House general contractor Tom Silva shows how to run radiant heat tubing under a new hardwood floor

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.

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.