US Sunlight 1914ST Installation guide

US Sunlight 1914ST Installation guide
Installation and Mounting Guide
Tel: 877-50-USSUN
[email protected]
Radiant Flexible Tube Kit
Thank you for purchasing the Skylight Tube from U.S. Sunlight Corp. We are committed to providing alternative energy
products that can improve your everyday life and our environment.
If there is a problem with your U.S. Sunlight product call us at 1-877-50-USSUN
Spare parts, installation advice, or recommendations for professional installers in your area are only a phone call away.
Professional installation may be much less than you expect, please call us to get average rates for your area.
Please note that this product is designed for asphalt shingles. If you have spanish tile, s-tile, concrete, metal or flat roof,
please call us before attempting to install the product.
Before beginning the installation of your new SkylightTube, please read through the entire installation instructions and call
us if you have any questions.
• Ladder
• Reciprocating saw or jig saw
• Power drill with a 1/2” - 1” drill bit
(only one needed)
• 1“ - 2” deck screw bit
• Hammer & roofing nails or self tapping
galvanized screws (inluded)
• Tin snips or wire cutters
ASTM D 4586 Type 1 Asphalt Roofing Cement
Measuring tape or ruler
Pencil or chalk
Roofing knife or box cutter
Flat pry bar
Sheetrock saw
Adjustable Wrench or Pliers
Philips Screwdriver or Drill Bit
When deciding on a location for the Radiant Skylight Tube, it is important to:
Make sure you are locating the final position centered between two ceiling joists.
if your ceiling joist spacing is less than the recommended spacing, refer to your
local building code prior to cutting a rafter or ceiling joist.
Before begining the installation, make sure there are no obstructions in the attic
space and on the roof where you would like to install the Skylight Tube.
Confirm the greatest distance between the ceiling hole location and the dome
location is no more than 5½ ft. If the distance is greater than 5½ ft., contact U.S.
Sunlight directly at 1-877-50-USSUN.
ATTENTION: Please consult a professional installer if you are unsure of where to locate you Skylight Tube or if
you do not feel comfortable with the installation process.
© Copyright 2013 US Sunlight Corp, Inc. Radiant Skylight Tube C01 ver 2
Step 1 - Location of the diffuser
Determine where you wish to install the SkylightTube (fig. 1)
and from inside the attic, clear out the insulation in the
desired location, center a nail or piece of wire between the
ceiling joists and through the drywall so it is visible from the
ceiling below. (fig. 2) If using wire, put a 90 degree bend in
the wire so it won’t drop through. (fig. 3)
Alternately, you can drive a nail up into the ceiling where
you wish to locate the ceiling lens and find the location
in the attic. Then find the closest center between rafters.
Desired location
Inside attic
fig. 2
fig. 3
fig. 1
Step 2 - Cutting out the ceiling hole
Use the included template (included in the Ceiling Parts Box) for
marking the ceiling hole; or simply use the ceiling frame as a
template and draw the hole to be cut.
Begin cutting the circle with a drywall saw (fig. 4) as you get to
the end of the cut, hold on to the wire or nail to brace the material
for removal. (fig. 5)
fig. 5
fig. 4
Step 3 - Preparing and
Installing the Ceiling Frame
fig. 6
Take the two halves of the ceiling lens (fig. 6) and slide the connectors in place on both
ends of each ring (fig. 7a and 7b). Insert the Ceiling Frame and attach with the included
2” Ceiling Frame Screws and plastic lugs. The plastic lugs are placed on the top side of
the ceiling. Fasten the screws through the holes in the ceiling frame, the ceiling and into
the white plastic lugs and tighten. (fig. 8a and 8b)
Plastic Lug
Ceiling Frame
Ceiling Frame Screw
Screw Cap
fig. 7a
fig. 7b
fig. 8a
fig. 8b
Step 5 - Cutting the roof opening
From inside the attic, locate the desired position for the flashing and dome opening. Generally, directly above the ceiling
opening is optimal but this position can vary depending on your particular attic conditions - keep bends to a minimum and do not
bend more than a 45o angle. Start by measuring the distance between the 2 rafters and mark the center location. (fig. 9) You
should have a minimum distance between them to allow for a 14.5” hole to be cut. Drive the 2” deck screw through so that it
shows on the outside roof surface. (fig. 10 and 11)
fig. 9
fig. 10
fig. 11
From on the roof, measure 7.25”, (fig. 12) repeat this at 90 and 45 degree angles to achieve a
circular pattern (or use provided template as in Step 2). Then draw in the pattern with chalk. (fig.
13) Using a 1/2” drill bit, drill a pilot hole on the edge of the circle to fit the saw blade for cutting. (fig. 14) Start cutting the circle with a reciprocating saw, as you reach the end of the cut
secure the material by holding onto the exposed screw so it won’t fall into the attic space (fig.
15) Remove the disk of material and discard (fig. 16)
fig. 12
fig. 13
fig. 14
fig. 15
fig. 16
fig. 17
fig. 18
Step 6 - Dome Installation
Drop the flex tube into the roof opening (fig. 17) then
set the flashing assembly into position and make a
note of the outer footprint or mark with chalk. (fig. 18)
Step 7 - Remove the surrounding shingles
Once you know the outline of the flashing, remove the surrounding shingles with a pry bar. (fig. 19) Composition asphalt shingles
can be installed in various sizes depending on your roof configuration so it is recommended that you remove the entire piece as
you find it in the footprint of the Skylight Tube flashing (fig. 20) Make sure you remove enough shingles to allow the upper 2/3rds
of the flashing to make direct contact with the sheathing and roof underlayment (fig. 21) Save all of the pieces you remove for
re-installation later.
fig. 19
fig. 20
fig. 21
Step 8 - Install the flashing assembly
When you are ready to install the flashing assembly, first apply a bead of asphalt roofing cement
to the underside of the flashing base. (fig. 22) Re-install the flex tube into the roof opening and
carefully place the top of the flashing underneath the top-most row of shingles. (fig. 23) Line up
the bottom of the flashing with the shingle line and drive a screw into the center hole on the bottom as shown in (fig. 24) This will allow you to fine tune the angle if necessary. Use standard
1.5” roofing nails or screws (not included) to secure the flashing in place (fig. 25) There are 7 positions as shown in (fig. 26)
fig. 23
fig. 25
fig. 24
fig. 22
fig. 26
Step 9 - Replace the shingles
Use a framing square to cut the replacement shingles to size. (fig. 27) Generally, you will want to reinstall each row so that they
overlap the flashing up to 5 1/2 inches from the outer edge of the flashing as shown in (fig. 28) Trim excess material from
shingles so they can fit around with the same 5 1/2 inch overlay. (fig. 29) Use roofing nails and asphalt roofing cement to re-attach
the shingles. For ideal fit and finish, we recommend covering the flashing with shingles leaving only the bottom center area of
the flashing exposed as shown. (fig. 30)
fig. 27
fig. 29
fig. 28
fig. 30
Step 10 - Secure the flex tube to the ceiling frame
Reach through the ceiling frame and pull the flex tube through the ceiling frame and into the room. Continue pulling until it is
tight, the wires will lock onto the lip at the top of the ceiling frame. Cut the flex tube off level with the bottom of the ceiling
frame. (fig. 31)
Fit the white plastic flex tube locking ring into position with the provided countersunk screws. Start at one end and work your
way around the locking ring. Be sure to line up the recesses in the flex tube locking ring with the recesses in the ceiling frame to
ensure the flex tube and locking ring are not overhanging the ceiling frame lip. (fig. 32)
Snap the ceiling lens onto the ceiling frame. (fig. 33)
fig. 31
fig. 32
fig. 33
Parts List
Tel: 877-50-USSUN
[email protected]
1. Roof Parts
1. 2. Roof Dome
Metal Flashing
Clear Acrylic Dome
Flexible Tube
72” Flexible Tube pre-attached to Roof dome
Snap Ring
Aluminum Foil Tape
3. Ceiling Parts
Ceiling Frame
Ceiling Lens
Included Hardware
A. Ceiling Frame Screws
B. Plastic Lugs
C. Screw Caps
Manufacturer’s Limited Warranty
Manufacturer warrants that certain of its product components are free from defects of workmanship and/or materials
for a period of time commencing on the date of original purchase and continuing as noted hereafter: (a) roof flashing for a period of ten (10)
years (b) flexible tubing for a period of ten (10) years (c) ceiling lens diffuser house for a period of ten (10) years.
Except as expressly set forth herein, all Manufacturer’s products, including components thereof, are sold “AS IS” without warranty of
merchantability, fitness for intended purpose, or other warranty, express or implied. In no event shall Manufacturer be liable for the loss of
profits, indirect, special, incidental, consequential or other similar damages, including but not limited to any claim or demand arising out of the
installation, furnishing, or functioning of a product or use by purchaser or any third party. The warranty terms and conditions detailed above
do not extend to misuse, neglect, abuse, alteration, exposure to extreme weather conditions, lightning strikes, physical damage to any
product, or damages caused by transportation or installation of any product. Manufacturer explicitly does not warrant any labor, shipping, or
service fees incurred by purchaser for the replacement, repair, or exchange of any product or product components claimed under the above
warranty terms and conditions.
Warranty Claims
Warranty claims shall be submitted in writing to Manufacturer at its principal place of business. Claims shall include a copy of the original
purchase invoice, purchaser’s name, address, telephone number, and e-mail address, and such other particulars as are necessary to
describe the claimed defect. If requested by Manufacturer, purchaser shall ship the claimed defective component(s) to Manufacturer’s
principal place of business, FOB destination, freight prepaid, for evaluation. As to any product component determined by Manufacturer to
contain a defect covered by its warranty, Manufacturer reserves the right, at its discretion, to repair or replace the defective component, or
rebate a portion of the purchase price prorated based on the balance of the warranty term.
This limited warranty contains all of the terms and conditions of Manufacturer’s warranty of the purchased product and its components. No
representation, arrangement, or agreement not appearing herein shall be binding on Manufacturer. This limited warranty is issued in and shall
be governed by the laws of the State of Nevada.
To register please visit our website:
or simply fill out this form and mail to:
923 Tahoe Blvd. Suite 110 | Incline Village, Nevada 89451
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