Rigid foam insulation

In this video, Chuck Miller of Brewster, Mass., demonstrates how a 3-in. or 4-in. putty knife with a sharpened blade cuts through the rigid-foam insulation like butter. Included are other tips for working with rigid-foam insulation.

Not all homes are created equal, so there is no one-size-fits-all approach to home insulation. There are many factors to consider when selecting insulation, including climate, installation, cost, and product performance. When selecting the right insulation for your home, it's also important to pay attention to a product's thermal performance rating, known as the R-value. Many insulation options are appropriate for do-it-yourselfers, but be sure to educate yourself on proper installation…

This versatile building material is a key component in most energy-efficient new homes and remodeling projects.

If you want to insulate a certain area while reducing moisture and mildewing, rigid insulation foam is the perfect material. Unlike some insulating materials, rigid insulation foam is simple to cut. All you need is either a utility knife...

Installing rigid foam insulation is typically one of the first steps in finishing a basement. Learn how to install rigid foam insulation the easy way.

Foam board insulation is a terrific alternative to fiberglass. Learn why, and where to use it.

Brian Pontolilo This insulation can be used on walls, roofs, and foundations, and it is suitable for retrofits and new construction. All foam-insulation products are petroleum-derived, and most have a…

Guide describing how to install stucco over rigid foam insulation in new and existing homes.

It appears we’ve reached the stage of this rebuild in which one big project will be completed every week. It’s Week Four of the Spring 2020 One Room Challenge™ and today, I’m showing you how we are sealing our historic home from the inside to prevent moisture and weather intrusion and provide a sturdy reinforcement to our old wood siding. Not all progress is pretty but this is my favorite new feature of our house so far! …

UPDATED on July 20, 2015 What’s the best way to install foam insulation on the outside of a wall? Although GBA has published many articles and videos on the topic, we continue to receive frequent questions from readers asking how to install rigid foam sheathing on exterior walls — so it’s time to provide a primer on the topic.