Stair tread assembly and method

Details Stair tread assembly and method Stair tread assembly and method

E - Fixed Constructions

04

F

E04F 11/108 (2006.01) E04F 11/104 (2006.01)

Patent

CA 2681942

A replacement or repair stair tread assembly for covering over an existing worn stair tread includes a core that is surrounded by hardwood edge members, of which at least on edge has a bullnose. The edge members and core are mated at tongue and groove joints. The bullnose has a greater depth of section than the core. The core is a multi-ply matrix with veneer surface skins of the same grain orientation and type of wood. The multiple plies are arranged such that successive layers have cross-wise grain orientation. The plies of the core have symmetrically balanced properties relative to the neutral axis or neutral plane of the core in bending, both cross-wise and length-wise. The balanced properties may pertain to water absorption and to resistance to bending.

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