Q: We’re considering installing a layer of 1-inch rigid foam insulation on the underside of a cathedral ceiling framed with scissor trusses. Is the foam a vapor barrier, or will we need to install a poly vapor barrier on the interior side of the foam? Will the foam cause problems when it comes time to finish the drywall? More
Q: Should an exterior perimeter drain be connected to an interior drain and sump pit? More
Q: We are faced with a site for a 1,400-square-foot, story-and-a-half house in a northern climate with a 6-foot frost depth. We propose to build the house on a slab-on-grade foundation, some of which will be near ledge. Does the footing for such a slab have to extend below the 6-foot frost depth, or can it float on gravel? More
Q: We blocked over a couple of basement windows in a stuccoed stone foundation wall. What’s the best way to patch the stucco? Can a simple bagged mortar mix be used to cover the block, or do we need to use stucco? More
Here are a couple of ways to safely provide structural support when the job calls... More
Cool temperatures can reduce concrete strength unless precautions are taken. Here are the products and techniques that guarantee a successful pour — even when it’s below freezing. More
Do you agree with one contractor's argument for installing perforated drain pipe... More
Q: We are pouring a foundation for a full-basement addition in an area with a high... More
Q: Which lasts longer for deck planking — redwood, cedar, or treated pine? More
A slab poured directly on top of a vapor barrier dries more quickly on top than on the bottom, causing cracking and curling in the concrete. Here’s one way to solve the problem. More
