Majestic Appliances 43LDVR, 33LDVR, 36LDVR, 39LDVR Vertical Through-the-Roof Installation

Max.

8ʼ

(2.4m)

45°		Typical
	40ʼ	Ceiling
		Support
Max.	(12m)
		Application
8ʼ
(2.4m)
	45°

Typical Roof

Support Ap-

plication

Typical Offset Installation FP1021

Fig. 34 Typical vertical roof applications.

Vertical Through-the-Roof Installation

1.Locate your fireplace.

2.Plumb to center of the (4”) flue collar from ceiling above and mark position.

3.Cut opening equal to 9³⁄₈” x 9³⁄₈” (240 x 240mm).

4.Proceed to plumb for additional openings through the roof. In all cases, the opening must provide a minimum of 1 inch clearance to the vent pipe, i.e., the hole must be at least 9³⁄₈” x 9³⁄₈” (240 x 240mm).

5.Place fireplace into position.

6.Place firestop(s) #7DVFS or Attic Insulation Shield #7DVAIS into position and secure. (Fig. 35)

7.Install roof support (Fig. 36 & 37) and roof flashing making sure upper flange is below the shingles. (Fig. 36)

8.Install appropriate pipe sections until the venting is above the flashing. (Fig. 36)

9.Install storm collar and seal around the pipe.

10.Add additional vent lengths for proper height. (Fig 38)

11.Apply high temperature sealant to 4” and 7” collars of vertical vent termination and install.

LDVR Series Direct Vent Gas Fireplace

Attic Insulation

Shield

Joist

Ceiling Instal-
lation		11"
	11"	Upper Floor
		Joist
		Firestop Spacer
		Nails (4)
		CFM100

Fig. 35 Place firestop spacer(s) and secure.

If there is room above ceiling level, firestop spacer must be installed on both the bottom and the top side of the ceiling joists. If an attic is above ceiling level a 7DVAIS (Attic Insulation Shield) must be installed. (Fig. 35)

The enlarged ends of the vent section always face downward. (Fig. 36)

3 #5 Sheet Metal Screws per Joint

Sealant

Storm Collar

TWL101a

Fig. 36 Roof flashing.

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