Stairs
Staircases
Stair Construction Requirements
Stair Stringer Layout
Cutting Stair Stringers
Deck Stair Stringers Spacing
Installing Stringers
Anchoring Deck Stairs
Planning to Land Stairs on a Future Patio
Support Long Stringers
Building a Cascading Staircase
Closed Stair Risers
Stair Tread Nosing
Stairway Lighting
Building an ADA Deck Ramp
Stair Safety Glazing Requirement
Stair Stringer Length
Box Steps and Stairs
EZ Stairs



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How To Build A Deck - Stairs & Steps

When building stairs for your deck you will also be expected to follow the IRC building requirements. These requirements are strictly enforced by building inspectors. The minimum width for stairs is 36”, but we recommend using 48” stairs wherever possible.The maximum riser height is 7-3/4” and the minimum recommended rise is 4”.The minimum stair tread depth should be measured at no less than 10”.The tread width and riser height shall not exceed the smallest by more than 3/8”.This means you will have to plan ahead to make sure each and every one of your stairs measurements are the same. In other words plan ahead so you aren’t left with a really tall or short last step because you will fail the inspection.

An easy way to build stairs is to use our sponsor the EZ-Stairs system. It takes the traditional carpentry work out of the equation and makes it much easier to build stairs. This system also meets code in most areas.

Open risers are permitted by code with a catch because they may not be large enough to permit the passage of a 4” sphere the same as rail infill rules. In most cases it looks nicer and is just plain easier to close the risers. You must maintain a minimum 6'-8" headroom clearance and provide stairway illumination at the top landing. Stair stringers should be cut from 2x12 pressure treated lumber and spaced no greater than 16" O.C. Not all composite decking material is approved for use on stairs.


 
 
 
 
 
 
 
 
 
 
 



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