Cutting Holes and Preparing Curbs
To determine roof location of skylight curbings, consult architects drawings
and proceed:
Before cutting or drilling through a roof, it is the responsibility of the contractor
to ensure that there are no obstructions above or below the roof.
1.
From the underside of the roof, locate the first bay (area between trusses)
that will contain skylights. Locate the position of the first skylight within
this bay by measuring off the nearest adjacent wall. The exact center of the
skylight should be positioned along a center line between the trusses. Drill
your first hole here completely through roof.
2.
At the opposite end of the same bay, find the center of the last skylight in
this row (keeping uniform spacing between each skylight). Drill your second
hole here completely through the roof.
3.
From on top of roof, snap a chalk line between the two drilled holes. This
will establish the center line for all skylights in this row (and will keep them
centered between the trusses below). Repeat this process in each bay that is
to contain next skylights.
4.
You can now proceed with cutting the holes in the roof (making and using a
461/2’ template, can be very helpful).
5.
Cut away (soft) existing roofing material and install curbing directly on a
hard surface.
6.
The finished curb must be securely fastened to the roof. See details A, B, C
for suggested method for metal, wood or concrete roofs. (See page 5)
7.
New flashing and waterproofing to the roof shall be done following
accepted practices and consistent with existing conditions.
8.
Contractor will provide a temporary watertight cover to remain in place until
SunTackerOne installation is made.
The SunTrackerTwo light wells require an unobstructed opening (that is the inside
diameter of the curb) which extends from the top of the curb to the bottom of it’s
lowest lens (often a pyramid shape that can add additional length to the light well).
Standard issue light wells are two feet in length. But, depending on the height of the
drop ceiling, custom light wells can be as long as eight feet.
There should be no intrusion into this space by water pipes, duct work, electrical
conduit, etc.
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