Table a, Cut rough opening, Insulation barrier installation (optional) – Hired-Hand Baffles, Vents, & Inlets: Vent Kit for Generation Structures User Manual
Page 3: Corner tin, Figure 3
HIRED-HAND MFG., INC.
• 1733 Co Rd 68 • Bremen, Alabama 35033 • Phone 256-287-1000 • Fax 256-287-2000
Manual Part No. 4801-5370 rev 6-04 Page
3 of 8
CUT ROUGH OPENING
3. Ensure the vent placement is accurate to the
drawings.
4. Refer
to Table A and determine the correct rough
opening size for the required vent kit, determine the
correct rough opening location, and cut a
rectangular hole in the tin.
NOTE: With the corner tin centered on the knee brace,
the flat area of the tin will be the cut-out area.
Always cut the rough opening from the center
section of the tin. Refer to Figure 3.
Vent
Width
“A”
Rough
Opening
Vent
Height
“B”
Rough
Opening
44” 44”
8” 7”
46” 46”
7” 6”
56” 56”
10” 9”
TABLE A
INSULATION BARRIER INSTALLATION
(Optional)
NOTE: If vent duct will be installed, do not install the
optional Insulation Barriers and skip Steps 5 & 6.
5. Bend the two Insulation Barriers as shown in
Figure 4. The flange should always point outward.
6. Insert the two Insulation Barriers (placed in opposite
directions) into the cut-out opening with the barrier
flange overlapping the edge of the cut-out opening.
While keeping the barriers pressed to the cut-out
opening, install #8 x ½” Lap Tek screws through the
barrier overlapping ends. Refer to Figure 5.
INSULATION BARRIER
(Bottom Orientation Shown)
Flange
Outward
FIGURE 4
90°
90°
#8 x ½” Lap Tek
Screws
Top
Barrier
Bottom
Barrier
FIGURE 5
BARRIER INSTALLATION
“A”
Vent Width
Rough Opening
“B”
Vent Height
Rough Opening
C
Corner Tin
NOTE:
Ensure the Rough Opening Height is
centered in the middle of the flat area.
FIGURE 3