Rookie handyman here.
I need to build simple stairs under the sliding door in the back of my
The sliding door is about 3.5 feet off the ground, 8' wide.
I have 2 questions.
I want to attach the ledger to the brick (cinder blocks), but I'm not
sure which bolts and hardware to secure it with. The ledger needs to be
8 feet wide (width of the sliginf doors), what is the general rule for
spacing out each piece of securing hardware? I'm looking for specifics
so I know what to ask for at the big box store.
Secondly, the bottom of the stairs. I'm not sure if I need to dig holes
and pour concrete to attach each stringer to the ground, or pour a
concrete pad, as I read in places. if I create a pad, could I use those
pre-made contrete things that the bottom of the stringer sits in?
I'd like for these stairs to be solid, and last as long as possible.
Any help is appreciated.
On 30 Mar 2006 11:08:01 -0800, email@example.com wrote:
Hmm.. In that case, especially if there's a finished wall
on the other side of the concrete blocks, I'd be tempted
to build freestanding "bleachers", and bolt them
to cement columns put in place with a power-auger
using stainless brackets. Your town may require
a hard surface (ie, concrete pad) at the foot of the
For 3.5 feet tall, you need a landing at the top- otherwise as people shift
their feet to get leverage to open the door, they are at risk of falling
backward. I'd say top 'step' needs to be 12-18 inches deep at a minimum-
local code may want a full landing. Local code may also say the stairs need
a railing. Pad at bottom serves 2 purposes- maintains riser height for
bottom step, and avoids the bare muddy spot in the lawn. If there is a patio
there, no pad needed.
Just for laughs, I'd ask local concrete flatwork company for an estimate.
Something like this, they can do in their sleep, and having the right forms
and such helps a lot. If it fit with style of the house, I'd look at precast
self-supported stringers, which just need a shallow footer- sorta like the
'bleacher seats' other fellow mentioned. Steps could be precast concrete
planks, or even weatherproofed decking boards.
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