9 Best Of How To Shingle A Gambrel Shed Best Images PNG. Fit the side drip edges over the roofing felt while the bottom drip edges should be fit under. Use a nail gun to secure the shingle to the decking with three nails through the upper nondecorative portion of the shingle.
Lay the first shingle and nail it into place. Start at one lower corner along the gambrel end. Nail the second shingle adjacent to the first.
Then cover your nail course with a continuous line of cement nail on drip rail to start the other part of your roof so that the drip rail covers your nails and cement and go on.
Lightly scratch a vertical line on the surface with the rear of the blade to mark the length of your shed plus the front and rear overlaps. Use a nail gun to secure the shingle to the decking with three nails through the upper nondecorative portion of the shingle. Secure the tar paper to the plywood sheets with roofing staples. Cut the exceeding shingles with razor blade neatly.