Interlocking shingles or siding

E - Fixed Constructions – 04 – D

Patent

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20/71

E04D 1/00 (2006.01) E04D 1/20 (2006.01) E04F 13/08 (2006.01)

Patent

CA 1328725

ABSTRACT OF THE DISCLOSURE: An insulating shingle board molded from a suitable insulating material is disclosed. The board is molded with recesses on its inner face to provide strengthening ribs and air insulating pockets. Grooves are provided to allow the pockets to breathe. Two sets of interlocking rib and slot are provided on the top and bottom edges of each board to lock the same to any upper or lower board in a fully weathertight manner. One of the set is made in one direction of movement between two boards to be interlocked, while the other set is made in a second direction of movement transverse to the first direction. A set of interlocking grooves is also provided on both side edges of each board to any lateral board in a fully weathertight manner.

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