Composite Deck Building – Stair Installation

stare support choice must be installed at a maximum of 12 inches on center the stairs do not use the hollow deck boards but instead use the solid northern light boards the tread boards must be cut three inches longer than the substructure to allow for a one and a half inch overhang on each side this will enable you to use the 8 inch fascia boards to finish the sides slide a piece of fascia board against the riser and place two northern light boards on the tread place the front stair board so that there is a one and a half inch overhang and a small gap between each board the stair boards are fastened directly to the structure and do not use the slide and go fastening system northern light boards must be pre-drilled and secured using number eight approved deck screws two and a half inches in length failure to pre-drill could result in splitting fastening locations must not be closer than three-quarter inches from the edge and one inch from the end of the board secure the stair board with two number eight approved deck screws using a matching colored screw will provide a professional finish when tightening screws be careful not to over tighten if the head of the screw goes below the surface it may cause secondary mushrooming of the board each stair must be secured with two screws in each support riser you fascia boards for risers should be cut one and a quarter inches longer than the support joist to allow for a 5/8 inch overhang on each side fascia boards should be secured with two number eight screws on each joist fastening locations must not be closer than three-quarter inches from the edge and one inch from the end of the board using a matching colored screw will provide a professional finish it is not necessary to use pilot holes when securing fascia

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