Stair Stringer Size

The first step in finding out the stringer dimensions is to calculate the size of tread and riser.
Stair stringer size. How strong should the stringers be and what are the load bearing requirements of stairs and their. Calculating tread and riser. Stair stringers refer to stairs constructed from structural lumber that are supported by 2 or 3 diagonal members called stringers against which the ends of the risers the vertical face of the step and treads the horizontal surface of the step are terminated. To find the height extend a level out across the upper edge of the entry point and stretch a tape measure from the bottom of the board to the ground.
Stringers are cut from framing lumber 2 by 8 2 by 10 in the profile of the stair. Hold up stair treads with this 3 step stair hold up stair treads with this 3 step stair stringer that meets the highest grading standards for strength and appearance. How to build safe stair stringers that don t sag squeak collapse or lose their treads. The height between the flooring and deck is measured using a tape say 56 inches.
Tired of making multiple trips to the store. Provides a step by step display and a print out option showing the finished stringer with cut dimensions and a materials list. Easy to use free stair calculator by ez stairs. Procedure for cutting open stringers 1.
To measure stair stringers start by dividing the height by the approximate rise to determine the total number of steps and then take the difference to find the exact rise of each step. Risers are attached to the vertical cuts and. The lumber is pressure treated protecting it from termites and rot. Quickstep 1 step aluminum deck stair stringer.
For pricing and availability. As for the length of the stringers take the total height the stairs need to be and square that value. This article describes the construction and building code specifications for the support of residential stairways. Pros recommend a width of 16 between stringers but depending on the stairs and the thickness of the tread that figure could be slightly higher.
A 42 wide outdoor set of stairs should have 3 stringers 2 x 12 typically.