Deck Stair Stringer Size
A 42 wide outdoor set of stairs should have 3 stringers 2 x 12 typically.
Deck stair stringer size. If you made a mistake you ll at least be able to save the other two 2x10s. Deck stairs are typically made from 2 x 12 stringers spaced about 12 to 16 inches apart. Ideal for a variety of applications including decks docks and other outdoor projects where lumber is exposed to the elements. Having the right calculations before getting started can make the task a lot easier.
To simplify the process we ve created this deck stair calculator to help you determine the correct measurements needed to carry out your project. The stairs should be at least 36 inches wide. 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. Cut only the top and bottom of the stair stringer with a circular saw.
Once the stair results have been calculated you can toggle between the standard and flush options to compare the differences. For most sets of stairs a pair of 5 5 inch 14 cm deck boards will be just the right size to form the treads of each step. Be sure to test fit the first stringer before you cut the others. They rest on a solid foundation and are attached to the deck with hangers.
Draw out your plans on paper. You can build your own custom stringers or buy pre cut stringers at lowe s. Building stairs for your deck is often considered the most difficult part of the construction project. Deck stair stringers spacing the load supporting requirements for stair treads are more severe than for the rest of the deck because the force exerted by a person walking downstairs is a more intense blow to the surface than a standard stride across a level surface.
For pricing and availability. As for the length of the stringers take the total height the stairs need to be and square that value. The stringer mount type refers to how the stringer will be attached to the upper landing or deck frame. Test fit the stair stringer by placing it against the deck and check the tread level with a small level.
A deck s stairway should be carefully planned so that all the stair rises the vertical height of the steps and all the tread depths the horizontal length of the step runs are equal. The lumber is pressure treated protecting it from termites and rot. 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 measure stair stringers.
If the bottom or top step is noticeably different in height or length from the other stairs it will be a tripping hazard. They have risers also called toe kicks treads and railings. Quickstep 1 step aluminum deck stair stringer.