Laying Out Stair Stringer

Measure the distance from the top of the deck surface to the top of the stair landing. Using three winders each tread tapers from a wide to narrow but not pointed tread at inside of turn.

Laying Out The Deck Stair Stringers Fine Homebuilding

Once you calculate the exact rise and run you need depending on your circumstances laying out the stringers is amazingly simple.

Laying out stair stringer. A framing square also known as a carpenters square often comes with two small brass fittings that make laying out stringers much easier. A nice finished look uses a design where the nosing of each tread is hidden within the width of the stringer. Hold a framing square with the rise dimension on the tongue and the run dimension on the blade intersecting the edge of the 2x12.

Because this stair jig is designed for use with wedges the housing for the stair treads and risers need to be tapered. Stringer Size and Type Stair steps are supported by stringers. You use a framing square to draw the stairs notches on the stringer then you cut them out.

Clamp a straight length of scrap wood leftover trim stock works well to a framing square with the woods edge registered to the rise and run measurements. Keep the corner of the framing square flat on the stringer stock then slide the framing square onto the crowned edge of the board until both gauges touch the edge of the stringer. Laying it out is the first and toughest step in building stairs.

Watch the whole process start to finish. But you have some freedom in the way you design the tread locations. Laying Out a Solid Stringer Solid stringers can only be used on the outer sides of a set of stairs.

Maintain the same rise and tread width all the way down. Using a pencil draw the right angle on the plywoods. Laying Out a Square Corner.

Start by laying out the top of the stringer. These stringers are tied into the framework of the landing in the same manner as though you were coming from the regular floor. This was for a Technology Education project I made for one of my classes.

The above example shows outside drop-mounted stairs. To layout an open stringer you fist need to determine the total rise and the total run of the stairs. The stringerthat notched framing member that supports the treads and risersis typically made of pressure-treated 212.

Clamp a scrap of wood to the underside of the of the square to serve as a guide then mark out the first cut with a pencil. Whether you calculate the total rise first or the total run first is sort of a chicken or egg question. Laying out the stringer Lay a straight piece of 2x12 on sawhorses.

Building Basic Stair Stringers - YouTube. These fittings called stair guides are available at. Approximately 2 inches 50 mm from the corner of the square to the edge of the plywood approximately.

The essence of laying out stair stringers is straightforward. Laying out and cutting the stringers With the rise and run calculated you can set up a framing square to mark out the stair notches on the stringer as seen in the photos below. If youve done the math its grade-school stuff and the layout right the tread cuts will be level and the riser cuts plumb.

This will represent the top of the tread and the face of the rise. Other things to know in my video that I forgot to mention would be dont use the si. From these measurements you will derive the unit rise and unit run.

To grasp the theory behind stairs it helps to understand some stair-building terms. A complete discussion and demonstration of how to measure and cut stair stringers for a deck or porch or other use.

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Deck Porch Stair Construction Procedures This Article Describes In Detail The Exact Steps In Building An Exterior Deck Or Porch Stair And Landing We Describe How To Lay Out Cut The Supporting Stair Stringers How To Square Up The Stringers And Attach Them To