How to Install Fiberglass Insulation | This Old House

This Old House host Kevin O'Connor shows how to fill gaps and make a space more cozy and energy efficient. (See below for a shopping list and tools.)

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Kevin works with an insulation contractor to show the proper way to insulate a wall using fiberglass batts.

Shopping List for How to Install Fiberglass Insulation:
unfaced fiberglass insulation [amzn.to/2ndascO], used for insulating between wall studs
paper-faced fiberglass insulation [amzn.to/2mciKSe], used for insulating between floor joists
low-expansion aerosol foam [amzn.to/2lI2S9N], used to insulate around windows and doors
3-mil polyethylene [amzn.to/2naEb69], used as a vapor barrier over unfaced insulation
1/4 inch staples [amzn.to/2nhTNVG], used to attach polyethylene vapor barrier

Tools for How to Install Fiberglass Insulation:
utility knife [amzn.to/2mWQ0gc]
hammer tacker [amzn.to/2nfnp5R]

Expert installation was performed by Rogers Insulation Specialists [rogersinsulation.com/].

Kevin and the installer used "EcoTouch" insulation, which is formaldehyde-free and made from 50% recycled content. It is manufactured by Owens Corning [owenscorning.com/en-us].

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Homeowners have a virtual truckload of questions for us on smaller projects, and we're ready to answer. Ask This Old House solves the steady stream of home improvement problems faced by our viewers—and we make house calls! Ask This Old House features some familiar faces from This Old House, including Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and landscape contractor Roger Cook.

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How to Install Fiberglass Insulation | This Old House
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