Certainteed Corporation is
a leading manufacturer of
quality building materials
for new construction and
home remodeling. For
nearly 100 years,
CertainTeed Corporation
has been the building
professional's source for
quality building
materials.
Founded in 1886, GAF
Materials Corporation has
grown to be North
America's largest roofing
manufacturer.
GAF's quality products are
regularly recognized by
leading industry experts.
One of the most respected
roofing manufacturers in
the world.
