The IBR Profile (Inverted Box Rib) is one of the most popular profiles used for roofing and side cladding applications in the industrial, commercial and residential building industry. The bold angular appearance of this particular profile makes it a very attractive choice for industrial and domestic solutions. Its many advantageous characteristics such as its strength to weight ratio, that provide optimum load span consistency, and the broad flutes that ensures excellent drainage, makes this a popular choice for roofing contractors.