Synthetic shingle or tile with stress relief nail zones

E - Fixed Constructions – 04 – D

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Details

E04D 1/12 (2006.01) E04D 1/00 (2006.01) E04D 1/20 (2006.01)

Patent

CA 2664228

A relatively rigid roofing shingle or tile is provided, having relatively flexible stress relief nail zones, that may comprise variations in thickness relative to the remainder of the shingle or tile, or variations in materials such as will allow for relative movement of the shingles or tiles due to temperature variations resulting in expansion or contraction, or due to other forces, such that the movement will be between the shingles or the tiles and the nails or other fasteners that are used to secure the shingles or tiles to a roof or other surface, and is preferably within the elastic limits of the fastening zones of the shingles or tiles.

La présente invention concerne un bardeau ou un carreau de toiture relativement rigide possédant des zones de clou de soulagement de contrainte relativement flexibles pouvant présenter des variations d'épaisseur par rapport au reste du bardeau ou du carreau ou des variations de matériaux telles qu'elles permettent le mouvement relatif des bardeaux ou carreaux du aux variations de température provoquant la dilatation ou la contraction ou du à d'autres forces, de telle sorte que le mouvement se situe entre les bardeaux ou carreaux et les clous ou autres dispositifs de fixations utilisés pour fixer les bardeaux ou carreaux sur un toit ou une autre surface, et se situe de préférence dans les limites élastiques des zones de fixation des bardeaux ou carreaux.

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