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Step 31
Install Roof Sheathing - Lower Roof
1. Screw (2) two 2x3-6' long boards (cut boards
to fit) to the dormer wall to support the roof
sheathing installed later. Use 2-1/2" wood
screws spaced to catch the wall studs behind.
Aline the top corner of the 2x3 board with the
top of the 2x6 truss.
2. Repeat to install 2x3s on the back dormer.
Lower Roof
Sheathing
74-3/4"
5. Use sheathing cutoffs from Step 29 to fit and
install under the front and back dormer walls.
Nail the top of the sheathing into the 2x3
nailer using 7d coated sinker nails spaced 8"
apart. Nail into each soffit block as well.
Plyclip
9-1/4"
9-1/4"
IMPORTANT: Use scaffolding and
a helper to install this roof sheathing.
Upper Roof
Sheathing
74-3/4"
2. Cut a 5/8" plywood panel into the sizes
shown above. Install the 8-3/4" panels
1" from the peak of the gambrel trusses.
Install the 48" panel next, inserting
plyclips between the smaller and large
sheathing panels. Use 7d sinker nails
spaced 6" apart.
3. Cut another plywood sheathing panel
for the lower area.
4. Repeat procedure to install sheathing
one the other corners.
.
.
.
8-3/4"
8-3/4"
2x3 Nailer
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