Jump to content

Stair Treads


Jerry Simon
 Share

Recommended Posts

R311.5.3.2 Tread depth. The minimum tread depth

shall be 10 inches (254 mm). The tread depth shall be

measured horizontally between the vertical planes of the

foremost projection of adjacent treads and at a right angle

to the tread’s leading edge. The greatest tread depth

within any flight of stairs shall not exceed the smallest by

more than 3/8 inch (9.5 mm). Winder treads shall have a

minimum tread depth of 10 inches (254 mm) measured

as above at a point 12 inches (305) mm from the side

where the treads are narrower.Winder treads shall have a

minimum tread depth of 6 inches (152 mm) at any point.

Within any flight of stairs, the greatest winder tread

depth at the 12 inch (305 mm) walk line shall not exceed

the smallest by more than 3/8 inch (9.5 mm).

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

 Share

×
×
  • Create New...