Abstract
Inthis study, a new design of roof support was investigated to improve the systemof roof coverings with roofing tiles. Usually, wood frames or slabs are oftenused as support for roofing tiles, which presents many disadvantages such asthe expensive cost of the slabs and sometimes inefficient Corresponding woodframes. The new design proposed in this study uses the technique of Kodjo Attipouwood frames, but by interposing between the frames and the roofing tiles, abarrier is made of bituminous plywood. The barrier is composed of plywood 1.22m in width, 2.44 m in length and 4 mm in thickness. The plywood is covered witha cloth of cotton fibers, impregnated in petroleum bitumen fluidized bykerosene. A test of permeability was conducted and has shown good results after3 weeks of imbibition in water. The new composite material obtained can thenserve as intermediate support in the system of roof coverings with roofingtiles and wood frames.
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