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Question: Mark, I recently
completed building a Gazebo from the foundation to the roof. I now need to
shingle the gazebo roof. However, I have never shingled a roof and a gazebo roof
seems fairly complicated. I plan to use asphalt shingles. So I have a few
questions on roof shingling, and in particular how to shingle a gazebo roof. My
first question is whether or not it is necessary to install a drip strip along
the edge of the gazebo roof. My second question is whether or not I need to
install tar paper prior to installing the shingles.
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I thought that since it is only a
Gazebo I could skip these two steps in the shingle installation process. I
really don’t know the value of installing the tar paper on a Gazebo. Any
information you can provide in shingling a gazebo would be much appreciated.
Thanks in advance.
Answer: N.N., Shingling a
gazebo roof is a fairly easy diy project and is done similar to any other
shingling / roofing project. To answer your two specific questions up front, the
installation of drip edge and tar paper is well worth the cost and effort of
protecting your Gazebo roof. The drip edge helps prevent rain water from wicking
up back underneath the bottom edge of the shingles and it’s very easy to
install.
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Simply start nailing it to the gazebo
roof edge at the edge of one of the gazebo roof panel seams using ¾ inch roofing
nails. As you get to the next gazebo roof panel seam simply bend the drip edge
in place and continue to nail it to the gazebo roof. Work in this process around
the entire perimeter of the gazebo roof.
Tar paper is just another low cost water protection barrier in the event the
shingles fail. Installing tar paper is even easier to install. Start at the
bottom and work your way up adding courses. Tack it in place with a staple gun.
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Before installing the roof drip edge
and tar paper, however, caulk the roof section seams with an exterior grade
silicone caulk.
Gazebo Roof
Shingling
Basically shingling a gazebo roof involves shingling each roof panel separately
and then covering the seams between each roof panel with ridge cap shingles. To
shingle the gazebo roof, start by applying a starter course of shingles along
the bottom edge of each gazebo roof panel.
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The starter course shingles are applied upside down on the roof and tacked into
place with ¾ inch to 1 inch long roofing nails. After nailing the starter course
down, trim the shingles along each roof panel edge using a utility knife.
Next install the first course of shingles directly over the starter course.
Again, nail them in place along the shingle tabs, using 3 to 4 nails for each
shingle, and cut away overlapping shingles as you did with the starter course.
Continue to work your way up the gazebo roof panel in this process overlapping
shingles appropriately. Repeat this process for all of the gazebo roof panels.
Once all of the gazebo roof panels have been shingled make ridge cap shingles by
cutting a standard 3-tab shingle into 6 even pieces and then making two tapering
cuts into the tab side edges of each piece. Make enough ridge cap shingles to
cover all of the seams. Then, starting at the base of each seam, begin nailing
the ridge cap shingles into place with two roofing nails near the top half of
the tapered section. Apply overlapping roofing cap shingles up the length of
each seam making sure to cover the nails of the lower nailed roofing cap
shingle.
Once all the gazebo seams have been capped, all you need to do is cap the center
of the gazebo to complete the process. With most gazebo kits a metal roof cap
comes with it. Typically it has screws that come along with it to allow you to
fasten it in place to the roof. After attaching the metal roof cap, apply a bead
of roofing tar or exterior grade silicone caulk to any exposed roofing nails or
screws.
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