How to Apply Trusses
Trusses are a framework that is designed to support a roof. They are made out of 2-by-4 pieces of lumber of various lengths. Most roofs consist of two 2-by-4 pieces of lumber that are cut at an angle and installed to one another. The two pieces stand up and are separated by the width of the roof. They are then strengthened by a horizontal 2-by-4 across the bottom for added support. After these trusses have been built, they can be applied to the top of the roof. Does this Spark an idea?
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Instructions
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1
Position a ladder on the ground and carefully climb up. Measure the length of the roof where you will be installing the trusses that have already been constructed. Run a tape measure along the rafter running the length of the roof and mark every 24-inches with a pencil. This will be the location of each truss. Repeat the process for the other side.
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2
Set up a ladder at the base of the roof on each side and have a helper hold one end of the truss on one ladder while you hold the other end on the other ladder. Walk up the ladder, carefully holding the truss until you reach the top.
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3
Set the truss on the rafter at the top of the roof and position it so the center of the truss is at the pencil mark on each side of the roof. Adjust the truss so it is hanging over the roof equally on each side. Trusses are constructed so there is a small amount of overhang on each side.
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4
Secure the truss to the rafters it is sitting on with a hammer and roofing nails. Insert a nail through the truss and into the rafter underneath. Spread out the nails and insert four into each side of the truss so it is secure to the rafters.
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Install the second truss at the next mark 24-inches down the rafters just like the first was installed. Attach all of the remaining trusses in the exact same manner.
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References
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