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How do you use a rafter square to cut a rafter?

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βˆ™ 2006-12-18 06:10:35

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suggestion. go to your local hardware-lumberyard and purchase a swanson speed square book. $5.00 retail. good luck

2006-12-18 06:10:35
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2020-04-21 18:36:55
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Q: How do you use a rafter square to cut a rafter?
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How do you decide the common rafter length in a hipped roof?

use the 17" on your rafter square


Instructions for swires roofing square?

The figures on the outer edge of the curve are degrees. Use these to set the angle/pitch of the roof. The figures on the inner edge of the curve are a ratio of the length of common rafter per foot or metre of run or span of roof. Take half the span of the roof in feet OR metres and multiply by the figure for the pitch of your roof this will give you the length of your rafter from birds mouth to the centre of the roof. Then make a deduction of half the thickness of the ridge board. at right angles to the bevel . The easiest way to use the bevels/angles from the square is to place the square on a piece of ply or board and mark all the bevels/angles onto the board and then use a sliding bevel/bevel square to apply the bevels/angles to the rafters and other members of the roof. No 1= Plumb & Seat cut for the Hip No 2=Plumb & Seatcut for Common Rafter No 3=Edge cut for the Hip (Mitre) No 4=Edge cut for Jack Rafter No 5=Side cut for Purlin No 4A=Edge cut for Purlin (Mitre) No 6 Lip cut to Purlin .This is the sloping cut which goes under the bottom edge of the Hip where the Purlin abutts to the Hip Rafter


How do you cut a birds beak in a rafter?

with a saw.


What is a jack rafter or called a cripple?

A Jack rafter is a rafter that has the pitch of the roof cut onto one end with a 54 degree angle this sort of rafter is one of several that fit onto a hip ridge. To cripple a piece of timber means to cut it partway through in order to straighten it if this is done to a wall timber it will need to be splinted to restore the strength of the stud


How do you figure the angle to cut trusses?

You will need a Framing Square. Decide what pitch roof you want or need. Steeper the roof, the more weight it will carry. 3 x 12 is minimum, 5 or 6 by 12 is better. Take a rafter, the top board of the roof frame, long enough to cover the distance you need. Lay the rafter flat with one end in front of you and the length of it towards your right. Lay the square on the rafter, corner pointing between your feet, long side on your left, short side on right and pointing away from you. On the bottom edge, the side closest to you, set the square on 12 inches. On the short, right hand side, set it on 3, 4, 5, whatever slope you have chosen. With the square in place, mark the back side closest to you on the rafter. This will give you the end angle of the rafter. Where you will put the fascia when trimming.You will need to figure how long a rafter you need to meet in the center. This will vary depending on angle of the roof, Steeper the pitch, the longer the rafter will be.On the end where you started, you will need to allow for the overhang where the soffit will be. This is a variable also. To allow for a 12 inch overhang, use the square again after you have cut the end of the rafter.Using the inside of the square this time with the point facing away from you, put the short side on the cut end of the rafter and on the long side mark the bottom of the rafter at 12 inches. At this point using the same angle as the end of the rafter, you will need to make a notch up of 1 1/2 inches using the square on the side away from you with the point away from you. The notch should be 1 1/2 high and maybe 2 1/2 long depending on angle of rafter.This only gets you the rafter for the left hand side. Generally the same on right hand also, still will need to figure cross bracing. That depends on width of roof and pitch. Steeper the pitch, the less bracing needed. All roofs are different.Rafters are easy to do, just takes a bit to describe and try to make sure all steps are covered and clear. Hope this helps.


What has the author George McEwin written?

George. McEwin has written: 'Rafter lengths, roof bevels, and the steel square' -- subject(s): Roofs, Tables, Rafter gages


How do you cut inside and outside corners in rain gutter?

i use a compound slide miter saw with a carbide tip blade IF YOU DON'T HAVE A COMPOUND MITRE SAW, OR IF YOU DON'T WANT TO TRASH YOUR BLADE BY CUTTING ALUMINUM WITH IT, YOU CAN CUT THEM BY HAND USING A HACKSAW. YOU WILL NEED TO MAKE A 45 DEGREE ANGLE MARK WITH A PENCIL. USE A SPEED SQUARE/RAFTER SQUARE IF YOU HAVE ONE. THIS CUT DOES NOT HAVE TO BE AS PRECISE AS IF YOU WERE DOING BASEBOARDS IN YOUR HOUSE, THERE'S ROOM FOR SLIGHT ERROR HERE AS THE MITRE STRAP THAT GOES AROUND THE JOINT WILL COVER MINOR FLAWS IN THE CUT. CUTTING WITH A HACKSAW WORKS FINE.


What is a rafter tail?

the end of a roof rafter


How do you cut a valley rafter with a compound miter saw?

You set the bevel on your saw to a 45 degree angle. Then set the angle on your saw base to the angle of your plumb cut.


When was Leonard Rafter born?

Leonard Rafter was born in 1912.


When did Leonard Rafter die?

Leonard Rafter died in 1964.


How tall is Patrick Rafter?

Patrick Rafter is 6' 1".


When did Charles Rafter die?

Charles Rafter died in 1935.


What is a rafter part of?

A rafter is part of a roof, it supports the roof.


What simple machine is a ruler?

A yardstick, a meterstick, a speed suare, a rafter angle square, measuring tape......etc.


What is the duration of Rafter Romance?

The duration of Rafter Romance is 1.2 hours.


What is the difference between a square cut and an emerald cut?

Square cut is square with a point on the back where as emeraild is flat and retangular


When was Patrick Rafter born?

Patrick Rafter was born on December 28, 1972.


When was Thomas Athol Rafter born?

Thomas Athol Rafter was born in 1913.


When did Thomas Athol Rafter die?

Thomas Athol Rafter died in 1996.


When did Jack Rafter die?

Jack Rafter died on 1943-01-05.


When was Jack Rafter born?

Jack Rafter was born on 1875-02-20.


When was Mike Rafter born?

Mike Rafter was born on 1952-03-31.


When was Denis Rafter born?

Denis Rafter was born in 1942, in Dubln, Ireland.


How tall is Edward Rafter?

Edward Rafter is 6' 1 1/2".