Building materials

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E - Fixed Constructions

04

C

E04C 2/32 (2006.01) B28B 7/00 (2006.01) B44F 1/08 (2006.01) E01C 5/00 (2006.01) E01C 5/06 (2006.01) E04F 15/00 (2006.01) E04F 15/08 (2006.01)

Patent

CA 2226199

A building product has an exposed surface provided by a multiplicity of linearlyextending parallel asymmetric depressions of saw tooth configuration. Thus, a coloured exposed surface appearance apparently changes colour as relative positions of the building product and viewer change.

Matériau de construction dont la surface exposée présente de multiples creux linéaires parallèles asymétriques en forme de dents de scie. Ainsi, la surface exposée colorée change de couleur en fonction de la position du matériau de construction et de celle de la personne qui le regarde.

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