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Stairs 9: Frequently Asked Questions on Stairs

Here's a list of Dave's answers about building stairs you might find of help. Click on a title to see its answer.

2x12s for Treads

I used 2x12 non-pressure treated boards for the treads. A couple of carpenters told me the treads should be ripped into two 5 3/4" treads to avoid splitting and cupping of the stairs in a couple of years. Any advice on this?

Adjusting Stairs for an Uneven Floor

The level of the concrete in my basement floor is off about an inch between where the ends of the stair stringers will be. This means the stringer height will be different. How should I fit and trim these two stringers?

Allowing For Tread Thickness

If I cut 16 runs at 7 1/2", wouldn't my very first step be 9"?

Angle of the Stringers

How do we get the correct angles to cut the stringers and handrail posts?

Attaching Hardwood to Existing Stairs

How should new hardwood be attached to an existing stair case?

Attaching Stringer to Floor Joist

What is the best way to attach the stringers to the floor joist?

Attaching Top Rail to Newel Posts

I am installing a handrail on my landing and down the stairs. Your instructions given on how to do this includes everything I need except how to attach the handrail to the newel posts. Could you explain how to do that?

Attaching Treads to Stringers

With an open riser stair, how do you connect the treads to the stringer?

Bottom of Stringers on Concrete

The bottoms of my stringers are resting directly on concrete. How can I maintain some sort of dry spacing so they don't rot out like the old ones did?

Cutting a Stringer for Existing Stairs

I've got a nice stair case but it needs support stringers. How do I cut the stringers?

Deck Stairs on Uneven Ground

How do I cut the bottom of the stringers so the steps of the deck stairs stay level to make up for the unevenness of the ground?

Different Length Stringers

I have a 21 inch plumb from my deck to the concrete below. My problem is that the concrete is not even, it slopes away from the house. I'd like to use two stringers (2x10) and then bracket two steps between them. How do I measure the dist

Distance Between Newel Posts

What is the recommended distance between newels for a balcony?

Fitting Treads Into Stringers

Some stairs are made by cutting a groove in the stringers for the threads to fit into. Is this done with a router? If so, what kind of jig does it require?

Glass Pane Railings

What would be the best railing-baluster combination for a glass pane?

Height Variations in Stairs

One stair in my basement stairs is shorter than the rest by about 1/4". I'm thinking of two solutions, but wanted to see what you say first.

How to Build Deck Stairs

I just built a new deck, which turned out rather well. I am however having difficulty making up steps. My total rise from the ground to the top of the deck board is 20.5".

How to Stabilize Stringers

I have straight-run, open-riser stairs up two stories. Each flight has about 17 risers. I was planning on using 2x12s for the stringers, but once they were installed and the treads were put on, they were still very "bouncy".

Nail or Screw Size for Stairs

What size nails or screws would you suggest using for nailing/screwing the risers if I'm using 1/2" plywood for the risers?

One Less Run Than Risers?

Why does your Stair Case Calculator always give one less run than the number of risers?

Pine on Stair Treads

Is pine okay for stair treads or is it too soft a wood?

Protecting Outside Stairs

The inspector said I have to protect my outside stair stringers from the concrete on the outside landing. What does he mean?

Refinishing Skirt Boards

I want to replace the skirt boards with oak to match the stairs. Treads and risers were cut and installed to match the old fir skirt boards, and oak is thicker dimension. Where do I start?

Replacing a Cement Landing

I took the old cement landing out from under the front steps because it was not level. How would you go about replacing it with a new one?

Replacing or Tiling Over Risers

I want to replace my existing painted wood risers with slate or some durable tile. Is this possible and if so, how do I remove them to replace them or should I tile right over the existing riser?

Riser On Top Of or Under Tread

When installing stair treads and risers some people are telling us the riser goes on top of the tread. We prefer the look of it behind the tread and thats what it looks like on your page. We just want to know the correct way of installin

Securing the Bottom of a Stringer to Pavement

How do I secure the bottom of the stringer to the paving slab?

Spacing Spindles In A Handrail

How do I determine an equal size to cut each spacing block when figuring a maximum 4" between spindles?

Splicing Long Stringers

I need to make Stringers for a 10' rise. This will work out to the stringer being 18 to 20 feet long. I can only find 16' 2 X 12's. Is it okay to splice them to make them long enough? if so HOW?

Stair Winders

How do you build winder stairs to save space?

Standard Height of One Story of a House

What are the measurements of one story or the totalrise of a one story staircase?

Standard Size of Stringer

Dave what's the standard size board for a stringer?

Straight Cuts on Stringers

I'm pretty good with tools, but I'm concerned with getting straight cuts on the step stringers with my circular saw. Are there any tricks or helpful hints on making straight cuts?

Tread Thickness Does Not Affect Total Rise

Does the thickness of the tread change the total rise?

Trimming Stair Walls

I'm going to be installing yellow pine over the stairs inside my house. They are between two walls and I would like to put trim boards along the walls on both sides, down the stairs. How is this typically done?

Unusual Stair Rise/Run Sizes

I want to build some stairs and I want the total rise to be 2 1/2 feet high, the rise 6 inches and the run 12 inches. Can you give a diagram of what it will look like?

Veneering an Existing Skirt Board

I need to put new treads and risers on my indoor entry stairs. How do I remove the existing skirt boards? Or do I just veneer the old ones?

When to Use a Landing

Should I add a landing in the middle of a 10' rise or use stronger wood for the stringer?

Width of stairs

What width should indoor stairs be? They will be going to a master bedroom upstairs. I was thinking about 42". They will be a straight run.

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