Installation Guide

SIZE INFORMATION Fastener Schedule
Size
Code
Roof
Opening
Finished
Opening
(Drywall
Dimension)
Model CMG
Only
Curb Outside
Dimension
Fits on
Center
Spacing
Fastener
Per Top &
Bottom
Fastener
Per Side
1414 11½” x 11½” 10½” x 10½” 14½” x 14½” 16” 3 3
1422 11½” x 19½” 10½” x 18½” 14½” x 22½” 16” 3 3
1430 11½” x 27½” 10½” x 26½” 14½” x 30½” 16” 3 3
1446 11½” x 43½” 10½” x 42½” 14½” x 46½” 16” 3 4
1725 14½” x 22½” 13½” x 21½” 17½” x 25½” 16” 3 3
1733 14½” x 30½” 13½” x 29½” 17½” x 33½” 16” 3 3
1749 14½” x 46½” 13½” x 45½” 17½” x 49½” 16” 3 4
2222 19½” x 19½” 18½” x 18½” 22½” x 22½” 24” 3 3
2230 19½” x 27½” 18½” x 26½” 22½” x 30½” 24” 3 3
2246 19½” x 43½” 18½” x 42½” 22½” x 46½” 24” 3 4
2525 22½” x 22½” 21½” x 21½” 25½” x 25½” 24” 3 3
2533 22½” x 30½” 21½” x 29½” 25½” x 33½” 24” 3 3
2549
22½” x 46½” 21½” x 45½” 25½” x 49½” 24” 3 4
3030 27½” x 27½” 26½” x 26½” 30½” x 30½” 16” or 32” 3 3
3046 27½” x 43½” 26½” x 42½” 30½” x 46½” 16” or 32” 3 4
3333 30½” x 30½” 29½” x 29½” 33½” x 33½” 16” or 32” 3 3
3349 30½” x 46½” 29½” x 45½” 33½” x 49½” 16” or 32” 3 4
4646 43½” x 43½” 42½” x 42½” 46½” x 46½” 16” or 24” or 48” 4 4
4949 46½” x 46½” 45½” x 45½” 49½” x 49½” 16” or 24” or 48” 4 4
5 Build curb:
a) Construct curb with 2 x 4’s, 2 x 6’s, etc. (depending on height desired
or building code requirements). Curb should be minimum 3 ½” high.
Be sure inside measurement of curb is the same as roof opening
measurement.
b) Secure curb to roof. See fastener schedule and drawing.
6 Shingle roof up to bottom of curb.
7 Flash curb (sizes 2525, 2549, 3333, 3349, 4949 can be used with Sun-Tek’s preformed, pre-cut Step Flash Kit with one-piece head and
sill). Use galvanized sheet metal, aluminum, or copper. Metal should extend a minimum of 4” over shingles (on bottom side), then up
sides of curb. Flashing should be ush with curb top.
MODEL CMG
II
Use on any type roof (curb required)
1283.C2 - 3/14
CURB O.D.
Roof
Opening
Finished
Opening
Sun-Tek Manufacturing, Inc.
10303 General Drive
Orlando, FL 32824
[phone]
www.Sun-Tek.com
[e-mail]
You will need:
• hammer • sealant/mastic
• keyhole saw • tape measure
• skill saw • chalkline or straight edge
• nails • trowel or caulk gun
• drill • utility knife
• 2 x 4’s
For Light Tunnel:
• 8 or 10 penny nails
• plywood or drywall
RECOMMENDED SEALANTS:
• 100% Silicone
• STS1000 (Sun-Tek exclusive)
Butyl rubber sealant/caulk
FAILURE TO FOLLOW RECOMMENDED INSTALLATION PROCEDURES MAY VOID WARRANTY
1 To properly position skylight between trusses/rafters, locate the roof opening from the underside
of the decking. (If this area is not accessible, locate the ceiling joists from inside the house, mark
opening in ceiling (a-c), and cut ceiling opening. Then follow steps below for roof opening.)
a) measure distance between trusses/rafters and mark center point.
b) to center skylight, measure one-half of appropriate roof opening to each side of center
point and mark.
c) using the side marks as a guide, mark corners by drilling holes or driving nails through roof.
2 Remove shingles 6 - 8” out from roof opening.
3 Cut roof opening (snap a chalkline from corner to corner, or draw line with a straightedge.)
4 Frame roof opening:
a) cut two 2 x 4’s to t the actual distance between trusses/rafters and nail into place. NOTE:
Size 2525, 2549, 3333, 3349, 4949 Skip step “b” proceed to “c”.
b) cut two 2 x 4’s to the exact length of the roof opening and nail to the trusses/rafters.
c) if applicable, cut ceiling opening and build tunnel framing. (See “Light Tunnel Installation
Instructions.”)
INSTALLATION INSTRUCTIONS
INSULATED GLASS SERIES
Check local building codes for glass requirements. • Please read instructions completely before beginning. • Deck and roong felt
should already by installed.