You can either place the railing behind the seat or build a seat with a back tall enough to meet the height requirements. Stair Railing Specifications. Height requirements also apply to railings for any stairs attached to the deck. Stairs less than 4. Generally, only stairs with four or more risers require a handrail. The handrails must be a minimum of 3. BLAIR/other/stair_rail/images/HighRailing-a-1.jpg' alt='How To Install Outside Railing Stairs Code' title='How To Install Outside Railing Stairs Code' />How To Install Outside Railing Stairs OutsideThe railings must be at least 3. Be sure the handrail is easily gripped for support. The top rail should be 1 14 to 2 inches across if the top rail is round. If the top rail is square, it should be no more than 2. Vertical Elements. Balusters, spindles, glass panels, latticework and other materials may form the wall of the deck and stair railings. Regardless of what material is used, the vertical elements may not have gaps large enough for a sphere 4 inches in diameter to pass through it. This includes any space or gaps between the seats of benches and the floor of the deck. If you have built in seating, the space under the seating cant be open, since small children may be able to crawl beneath the seat and fall off the deck. Tips for Success. In addition to checking with your local code enforcement division about specific differences in local codes and the IBC based state codes, make sure your neighborhood does not have restrictive covenants. Find out if the deck could violate any easements or setback requirements. If you install railings with glass panels, the glass must be made of tempered safety glass. How To Install Outside Railing Stairs DesignDee Five Trading beats any written quote on stainless steel handrails for stairs, balconies pools in Gauteng, Pretoria, Johannesburg, Midrand Centurion. Build Storage Under Stairs Cost Of Sheds Build Storage Under Stairs 8 X 8 Shed Lowes Simple Roof For Shed. How To Build Railing For Stairs Desk Plans Diy How To Build Railing For Stairs 2x4 Bunk Bed Plans Free Free Plans For Garage Storage Shelves. Some communities do not insist on inspections, while others may demand both a detailed construction plan and a formal inspection. Your local building inspector may be willing to inspect the railing for possible safety issues even if no inspections are required.