Underlayment with improved drainage

Details Underlayment with improved drainage Underlayment with improved drainage

E - Fixed Constructions

04

B

E04B 1/62 (2006.01) E04B 1/90 (2006.01) E04C 2/32 (2006.01) E04D 13/04 (2006.01) E04F 13/075 (2006.01)

Patent

CA 2597206

An underlayment with improved drainage is disclosed. Particularly, the invention relates to an underlayment board having a first surface and a second surface, wherein the board further includes a top edge and a bottom edge and includes at least one channel defined in the first surface with each of the at least one channel extending from the top edge to the bottom edge to form a drainage path therebetween. More particularly, the underlayment board can include at least one funnel defined proximate at least the top edge or the bottom edge, wherein the at least one funnel is in fluid communication with a corresponding one of the at least one channel. A method of finishing an exterior of a structural substrate and a building assembly are also disclosed.

La présente divulgation porte sur une sous-couche avec drainage amélioré. En particulier, l'invention se rapporte à un panneau de sous-couche qui présente une première face et une seconde face. Ce panneau comprend en plus un bord supérieur et un bord inférieur, et il comprend au moins une saignée s'étendant du bord supérieur au bord inférieur, pour former un trajet de drainage entre les deux. Plus particulièrement, le panneau de sous-couche peut comprendre au moins une embouchure proche du bord supérieur ou du bord inférieur, où cette embouchure est en communication fluide avec l'une des saignées minimales correspondantes. La présente divulgation traite aussi de la finition extérieure d'un support structural et d'un ensemble de construction.

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