Another way to reflect heat is to install a radiant barrier on the underside of your roof. A radiant barrier is simply a sheet of aluminum foil with a paper backing. When installed correctly, a radiant barrier can reduce heat gains through your ceiling by about 25%.he most effective method to cool your home is to keep the heat from building up in the first place. The primary source of heat buildup (i.e., gain) is sunlight absorbed by your house through the roof, walls, and windows.
The bases of a square prism are squares. A Prism with at least one pair of opposite faces that are squares is called square prism. This type of prism has six faces, and all the faces of the prism are rectangle in shape except bases. It can also be described as a right prism with square bases.
Now, we will see how many faces does a triangular prism have. A prism is a type of a solid object, which has two identical ends and all the faces of a prism are flat. Prism is a type of a polyhedron. A triangular prism has five faces, six vertices and nine edges. A triangular prism is a three sided prism.