Max. 8' (2.4m)
4
1 + 2 + 3 + 4 = 270°
3
12
FP1245
Fig. 51 Typical offset application.
Vertical Through-the-Roof Installation
1.Locate your fireplace.
2.Plumb to center of the (4” (102 mm) flue collar from ceiling above and mark position.
3.Cut opening equal to 9³⁄₈” x 9³⁄₈” (240 x 240 mm).
4.Proceed to plumb for additional openings through the roof. In all cases, the opening must provide a minimum of 1” (25 mm) clearance to the vent pipe, i.e., the hole must be at least 9³⁄₈” x 9³⁄₈” (240 x 240 mm).
5.Place fireplace into position.
6.Place firestop(s) #7DVFS or Attic Insulation Shield #7DVAIS into position and secure. (Fig. 52)
7.Install roof support (Fig. 53) and roof flashing making sure upper flange of flashing is below the shingles. (Fig. 53)
8.Install appropriate pipe sections until the venting is above the flashing. (Fig. 53)
9.Install storm collar and seal around the pipe.
CDV Series Direct Vent Gas Fireplace
Attic Insulation
Shield
Joist
Ceiling In- | 11" | Upper Floor |
stallation | 11" |
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Joist
Firestop Spacer
Nails (4)
CFM100a
Fig. 52 Place firestop spacer(s) and secure.
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Typical Roof Support |
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Typical Ceiling Sup- | ||||||||
Application | ||||||||
port Application | ||||||||
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Fig. 53 Roof and ceiling supports. | ||||||||
#8 Sheet Metal Screws (3 per joint)
Sealant Storm Collar
TWL101a
Fig. 54 Roof flashing.
10.Add additional vent lengths for proper height. (Fig. 55)
11.Apply high temperature sealant to 4” and 7” collars.
20010175 | 25 |