
How to make stair treads longer. A stair tread should be at least 9 inches deep. We can make the platforms longer deeper in the direction of travel or we can make the stair treads deeper. Watch this video to learn what will happen to your stairway if you increase or decrease the width of each individual stair. Older or poorly designed steps can be too narrow making them uncomfortable and unsafe to use.
To lengthen the treads you have to lengthen the overall length of the run. Secure the treads to the steps of the stringers with 25 in 64 cm screws over each stringer. If your treads are 10 inches wide and do not overhang you can add a 1 14 inch overhang by replacing them with treads made from 1 by 12s that are actually 11 14 inches wide. Cut lumber to be at or slightly longer than the tread run in width and as long as the stairs are wide or just wider if you prefer a slight overhang on the ends of your stairs.
For this illustration well take the easy way out and make the platforms long enough they are allowed to be longer than 36 to use up that missing 127 by simply dividing 127 by 3. When you add the 2 by to the riser you lengthen the tread above but shorten the one below and so on. No gain in tread width. Whats is the best way of installing new stair treads over the old ones.
If your new stair treads will rise higher than 18 inch from the existing stair tread height you may need to adjust the height of the lower and upper floors at each end of the staircase. How to make narrow stairs wider. Replacing the staircase with wider treads will result in longer less steep stairs. A few years back i fell in love with this expensive perfume.