HOW DOES FOAM STRENGTHEN HOMES? The main component which gives structure to your home is the walls. In wood frame construction, the weight of the roof, shingles, Standing rain water, the weight of the roof, snow, and shingles all add weight to the roof on wood construction, which results in a compressive force to the walls from exerting downward forces. Workshop-Roof Line Only (closed cell) Imposing lateral forces on the walls of the homes are created from gusts and high winds from storms. A "shearing force" can be generated by the lateral forces that distort the walls. To be able to withstand these forces and loads, a home's walls are required by building codes to be designed in a certain way. Walls are nevertheless sometimes built to the minimum standards, so sounds of creaking and shaking that are created through movement or during high winds can often be heard. Workshop-Roof Line Only (closed cell) To reinforce both the studs and the exterior sh