Rigid-foam insulation installed above the roof assembly can create an energy-smart roof.

I am confident that I am able to form and pour a small concrete pathway or patio without too much concern. Accurately placing nearly eleven cubic yards of concrete, however, is a rather daunting p…

Martin Holladay tackles a topic that comes up again and again: insulating basement walls. He provides three trusted methods and shows us which products to use and how.

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.

Fiberglass insulation and rigid foam insulation are two major classes of residential insulation. Should you use fiberglass or rigid foam?

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…

Metal roof // unvented// drain through battens // exterior 6" rigid insulation - GreenBuildingAdvisor

Learn how to choose and install the best insulation for several types of basement walls (but fix water-entry problems first).