Firestop Spacers V3600FS-8DM, Penetrating the roof

Venting Installation

Continued

See Detail A

2" Min.

Straps

	Detail BStraps	See Detail B
	Angle Firestop	See Detail B
	Angle Firestop

Existing

Ceiling

Frame

Firestop Spacer

Screws or Staples (Min. of 8)

Figure 10 - Firestop Spacer with Living

Space Above Ceiling

Screws or Staples

Firestop(Min. of 8) Spacer

		Existing
Straps	Straps	Ceiling
	Straps	Frame
Detail A
Return Elbow
Figure 8 - Ceiling Support Pipe
	12S-8DM	Figure 11 - Firestop Spacer with Attic
		Space Above Ceiling

Screws

Figure 9 - Elbow Offset

Firestop Spacers (V3600FS-8DM)

Firestop spacers are required at each point where the chimney penetrates a floor space. Their purpose is to establish and maintain the required clearance between the chimney and the combustible materials. When the pipe passes through a framed opening into a living space above, the firestop must be placed onto the ceiling from below as shown in Figure 10.

They also provide complete separation from one floor space to another or attic space as required by most codes. When the double wall pipe passes through a framed opening into an attic space, the firestop must be placed into an attic floor as shown in Figure 11.

Penetrating the roof

To maintain a 1" clearance to the pipe on a roof with a pitch, a rectangular opening must be cut.

1.Determine the center point through which the pipe will penetrate the roof.

2.Determine the center point of the roof. Pitch is the distance the roof drops over a given span, usually 12". A 6/12 pitch means that the roof drops 6" for each 12" one measure horizontally down from the roof rafters.

3.Use the roof opening chart (Figure 12, page 9) to determine the correct opening length and flashing required.

4.Remove the shingles around the opening measured. Cut out this section.

5.Add the next sections of the pipe until the end penetrates the roof line. Check to see that the proper clearances are maintained. Extend chimney by adding sections of double wall pipe until pipe is minimum of 30" above the highest point of the roof cutout. Termination and chimney must extend a minimum of 36" above the highest point where it passes through the roof.

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VS36H(1), S36H, VS36(1), S36RH, S36 specifications

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In summary, the Desa S36R, S36, S36RH, VS36(1), and S36H models showcase a range of innovative features, efficient technologies, and characteristics suited for various heating requirements. Their focus on safety, efficiency, and user convenience makes them standout choices in the heating solutions market. Whether for home, workshop, or outdoor use, Desa provides reliable options that cater to diverse consumer needs.

Desa S36RH, VS36H(1), VS36(1) Firestop Spacers V3600FS-8DM, Penetrating the roof

Models: VS36H(1) S36H VS36(1) S36RH S36 S36R