Stair Stringer Throat Thickness

Running measurements vertically lower floor to top of each tread.

Stair stringer throat thickness.

This is a part of the plan that everyone got a simple stair stringer with 4 risers 4 treads. Might get shot for this but as i recall from wood framing days throat depth. If you plugged in the run 4 you would end up with 6 risers. According to standards the maximum height of stairs may not exceed 200 mm.

Usually 15 17 cm optimal width of a step 27 30 cm. This article describes the construction and building code specifications for the support of residential stairways. S and standard value in a private house taking 90 110 cm if space is limited a width of the opening sause the minimum critical value 80 cm. Timberstrand lsl stair stringers and sturdistep stair treads specifier s guide 9010 september 2015 2 1 1 3e timberstrand lsl stair stringers suggested residential stringer attachment details 40 psf live load and 12 psf dead load high end 1 7minimum throat depths may be reduced by an additional for 11 8 and 14 material depths if 2x4 reinforcement is.

Timberstrand lsl stair stringers and sturdistep stair treads specifier s guide 9010 ember 2015sept 2 1 1 3e timberstrand lsl sairt stringers suggested residential stringer attachment details 40 psf live load and 12 psf dead load high end 1 minimum throat depths may be reduced by an additional for 117 8 and 14 material depths if 2x4 reinforcement is. For concrete stairs select concrete thickness and enter the throat thickness see diagram and stair width to calculate formwork dimensions and concrete volume. What made it more challenging is if you simply plugged the rise in to a construction calculator you would end up with 3 treads. How strong should the stringers be and what are the load bearing requirements of stairs and their.

Stair stringer notching template. The only guidance provided to a builder for the structural capability minimum throat depth of wood framed stair stringers comes from a carpentry handbook. How to build safe stair stringers that don t sag squeak collapse or lose their treads. 3 for 9 stringer 5 for 11 stringer 8 for 14 stringer.

The height and width of the steps.