Roof Railing Height

Top edge height of top rails or equivalent guardrail system members shall be 42 inches 1 1 m plus or minus 3 inches 8 cm above the walking working level.

Roof railing height.

Stair rails on decks should be between 34 inches and 38 inches high measured vertically from the nose of the tread to the top of the rail. In the construction industry your rail is compliant if the top railing falls between 39 from the walking surface and 45 from the walking surface. The top of the handrail should be at least 34 inches. Install railings on any deck that is 30 inches or more from the surrounding surface and on at least one side of a stairway leading to the deck.

Stair treads must sustain a weight of at least 300 pounds in an area no more than four inches square. The top edge height may exceed 45 inches 114 cm provided the guardrail system meets all other criteria of paragraph b of this section see figure d 11 below. 2 x 4 stock not more than 6 feet apart. Required on stairs with four or more risers.

In general industry osha standards say the guardrail height railing must be 42 high. Step 2 install a 2 x 3 or 2 x 4 piece of lumber parallel to the top hand rail with the top of that piece being 36. Treads must be at least 10 inches deep measuring from front to back. 1 1 2 nominal diameter not more than 8 feet apart.

In new york city roofs balconies or terraces with slope of 2 4 12 or less and height of 22 feet or greater require railings per 2014 nyc building code section 1509 8. But in the construction industry osha states the proper response is 42 plus or minus 3. Often older buildings may comply with the code under which they were constructed. Intermediate rail at about halfway up what to use for railings.

In nyc railings must comply with 2014 nyc building code section 1013 and 1607. 30 to 34 inches in height. Step 1 construct an architecturally correct balustrade with a railing height of 27 25 inches your window height or. The minimum height of the railing varies based on the height of the deck.

1910 29 b 1 the height of top rails must be 42 inches plus or minus 3 inches above the walking working surface. Respect minimum height requirements safety is important and something that should always supersede style. When conditions warrant the height of the top edge may exceed the 45 inch height provided the guardrail system meets all other criteria of this paragraph. Osha railing requirements for stair railing.