Importance

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Abstract

A roofing construction wherein a plurality of blocks of insulation are loosely laid on a roof deck in abutting relation. So-called 'flat roofs' are conventionally provided with an inclination to the horizontal so that water will naturally flow from the roof. The aforesaid insulation blocks are preferably of oblong shape and are laid longitudinally with respect to the direction of the natural water flow on the roof so that the longitudinal abutting edges of the insulation blocks produce a seam which is parallel to the natural flow of the water from the roof, and the inclination thereof. A furring strip of either wood or metal is applied over each longitudinal seam between adjacent blocks and this strip is secured firmly by means of screws or other fastening devices which extend through the strip and into the roof deck so that in effect the adjacent insulation blocks are clamped between the furring strip and the metal roof deck. Where rubber roofing is used the rubber membrane is caused to adhere to the furring strips by any suitable adhesive so that it is unnecessary to apply the adhesive over the entire rubber membrane to cause its sound adherence to the top surface of the roofing structure.

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First Claim