Its pores are small enough to keep out air, but large enough to allow moisture to pass through, thus preventing moisture buildup in the walls. As with all house wraps, the seal must be complete and tight, with no leakage. The chief problem with using steel for residential construction is that not enough people are skilled at cutting and erecting it. Additionally, it is more expensive than wood. And the labor to erect a steel-framed house will be more expensive, if you can find the workers.
Steel has many advantages, though.
Each stud is perfectly straight, which makes it easier to construct straight and smooth walls. It is stronger than wood, doesn't rot, and is fire resistant. If you are making a change to an existing home, this step is a must to satisfy building codes and to prevent liability when you sell the property. If you are building a new home, the size should be indicated in the plans and specifications. ImproveNet Inc. All rights reserved.