Lightweight building component

Details Lightweight building component Lightweight building component

E - Fixed Constructions

04

G

E04G 11/46 (2006.01) E04B 1/14 (2006.01) E04B 2/86 (2006.01) E04B 5/32 (2006.01) E04C 3/34 (2006.01)

Patent

CA 2418885

A very lightweight tubular building element for the construction of reinforced concrete floors and roofs; providing the formwork for the casting in place of the structural concrete and a high quality finished ceiling at the same time. It is a single component that can be installed easily and efficiently without heavy equipment or special craftsmanship; afterward the component is not removed, but stays permanently integrated in the concrete floor or roof. It forms a deck that is impervious, eliminating cumbersome cleaning during construction and leakage afterward, saving the Gammon need of a costly waterproofing membrane over the slab. The formwork deck, composed of a plurality of the invention component, weighs less than four (4) pounds per square foot; and a single component for a common 15 feet span weighs less than 30 pounds, which can be easily handled by only one laborer. Furthermore, in forming the concrete, the plurality of this component creates hidden closed air spaces in the slab that saves concrete, reduces the overall weight of the building and provides better thermal insulation in comparison with a conventional solid concrete slab of same span, thickness and strength.

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