Secure it with the nail gun like you did the previous shingle.
Nail trough shinglea on gambrel roof slope change.
Align shingles properly to avoid nail exposure.
Lay the first asphalt shingle at an outer corner of the lowest sloping face of the gambrel roof.
This article discusses best roofing practices for the installation of asphalt roof shingles including installation temperature shingle sealing methods shingle course offsets asphalt shingle nailing location and specifications low slope and steep slope limits for asphalt shingles and roof flashing at building eaves and around skylights.
Start by laying the first asphalt shingle to the outer corner of the lowest slopping face of the gambrel roof.
The shingles have notches or tabs on the top half that you will line up to measure overlap.
We re going to do a pitch transition or change.
When the roof slope changes just let the tabs point straight up.
It is possible to shingle over a gambrel roof to add security from the elements or additional décor and aesthetic features to your structure.
Position the nails appropriately according to the shingle installation instructions.
Let the bottom tabs cover the lower sloped section and nail along the tar line on the back of the shingle into the higher sloped section.
Step 3 lay the next asphalt shingle next to the first one.
The application of shingles over a gambrel roof has very little variation from the application of shingles to a traditional roof.
I have to reroof a friend s shed gambrel style.
Use a nail gun to secure the shingle to the decking with three nails through the upper nondecorative portion of the shingle.
I ve only done one before 20 some years ago.
He wants to use architectural shingles but i m not sure about bending them at the pitch change.
A gambrel roof is often thought of as a bard style roof where the roof of a structure has multiple slope changes on either side of the roof.
Roofing nails should be long enough to penetrate the roofing material and go 19 mm into osb solid wood plywood or non veneer wood decking or through thickness of decking whichever is less.
You ll have a steeper part of your roof turning into a lower slope so there s a steeper pitch up top and a lower pitch on the bottom.
Use three nails through the upper portion of the shingle.
For duration series shingles owens corning recommends using either a 4 or 6 nail fastening pattern depending on the roof s slope and building code requirements.
In most cases 4 nails are adequate.
Then use a nail gun to secure the shingle to the decking.
