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 BDestroyer8418 06-15-2009 05:05 PM

Deck Stairs with landing ?

How would I figure out how to build some stairs with a landing. The total rise is 8'-6 5/8". We were just thinking of splitting up the steps equally. They will be 4' wide. So would I have to build a 4'x4' Landing.

Were trying to figure out how to figure out where to dig the holes for the post. Also when adding a landing wouldn't it push the total run of the stairs out another 4'. The old stairs sit on a sidewalk but I was thinking if the landing is added it will push it out and then they will sit on the grass and will have to also make a concrete landing for the stringers to sit on.

 Ron6519 06-15-2009 10:26 PM

I would plan it out in two stages. At 102 5/8" you would need 14 steps@ about a 7" rise and an 11" run. Set the posts for the landing and build the stairs to the landing. Build the stringers for the lower section and dry fit them. Dig the base where the stringers indicate they should go.
Ron

 Deckman100 01-29-2011 12:20 PM

Quote:
 Originally Posted by BDestroyer8418 (Post 287945) How would I figure out how to build some stairs with a landing. The total rise is 8'-6 5/8". We were just thinking of splitting up the steps equally. They will be 4' wide. So would I have to build a 4'x4' Landing. Were trying to figure out how to figure out where to dig the holes for the post. Also when adding a landing wouldn't it push the total run of the stairs out another 4'. The old stairs sit on a sidewalk but I was thinking if the landing is added it will push it out and then they will sit on the grass and will have to also make a concrete landing for the stringers to sit on.
If you want the landing in the middle of the flight, you will need 13 risers (7.89" ea.rise) or 15 risers (6.84" ea.rise). The first flight will have 6 or 7 treads and the second flight will have 6 or 7 treads depending on the number of risers you choose. The landing height is positioned at the same height as a the center tread and the two stair runs are attached. You may want to build the landing a little longer so that the top run can rest on top of the landing and be attached or you can also simply attach to the face of the landing using metal ties.

The concrete pad should be a minimum of 4" thick with #4's at 16" max. centers. I would thicken the section where the stair rests to 6". If you really want to make the stairs simple to install, get an adjustable stair bracket system. I use EZ Stairs and it works great.Hope this helps.

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