Firestops; Framing The Roof - FireplaceXtrordinair Xtrordinair 44 Elite Installation Manual
Wood-burning zero-clearance fireplace
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Also See for Xtrordinair 44 Elite:
- Owner's manual (24 pages) ,
- Brochure & specs (8 pages) ,
- Installation manual (32 pages)
Table of Contents
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20
Firestops
WARNING: Many firestops are designed for a 1" clearance,
this fireplace requires a 2" clearance.
•
Whenever the chimney penetrates a floor or ceiling a
firestop is required on the bottom side of the floor joists
(see Figure 24).
•
When passing through an attic the firestop must be
placed on the attic side of the joists
•
When the chimney passes through a living space it must
be totally enclosed (maintain the minimum 2"
clearance to combustibles)
•
The space between frames that hold the firestop in
place should be measured as follows:
-- Temco
16"
-- Firecraft
16 1/2"
-- FMI
16 1/2"
-- Marco
16 1/2"
Framing the Roof
•
Follow the manufacturer's instructions for the use of flashing and
an adjustable storm collar at the roof line to prevent water from
entering the house.
•
The table below may be used to determine the appropriate
framing size (see Figure 25). When installing into a sloped roof,
it is important to determine the size of the framing for clearance
purposes. Use the appropriate column for 2 x 4 or 2 x 6 rafters. It
is not necessary to frame around the hole opening if the
clearance to combustibles can be maintained between two
rafters.
© Travis Industries
Installation
(for qualified installers only)
Chimney Type
SLOPE
Temco (12" diameter)
2 by 4 Rafter
0/12
16 x 16
1/12
16 x 16 1/2
2/12
16 x 17
3/12
16 x 17 1/2
4/12
16 x 18 1/4
5/12
16 x 19
6/12
16 x 19 7/8
7/12
16 x 20 3/4
8/12
16 x 21 3/4
9/12
16 x 22 3/4
10/12
16 x 23 3/4
11/12
16 x 25
12/12
16 x 26 1/8
Space
between
frames
Chimney Type
Firecraft, FMI, or Marco (12-1/2" dia.)
2 by 6 Rafter
2 by 4 Rafter
16 x 16
16 1/2 x 16 1/2
16 x 16 5/8
16 1/2 x 17
16 x 17 1/4
16 1/2 x 17 1/2
16 x 18
16 1/2 x 18
16 x 18 7/8
16 1/2 x 18 3/4
16 x 19 1/4
16 1/2 x 19 1/2
16 x 20 7/8
16 1/2 x 20 3/8
16 x 21 1/2
16 1/2 x 21 1/4
16 x 23
16 1/2 x 22 1/4
16 x 24 1/4
16 1/2 x 23 1/4
16 x 25 1/2
16 1/2 x 24 1/4
16 x 26 3/4
16 1/2 x 25 1/2
16 x 28 1/8
16 1/2 x 26 5/8
4050714
Firestop
Framing Size
Figure 25
2 by 6 Rafter
16 1/2 x 16 1/2
16 1/2 x 17 1/8
16 1/2 x 17 3/4
16 1/2 x 18 1/2
16 1/2 x 19 3/8
16 1/2 x 19 3/4
16 1/2 x 21 3/8
16 1/2 x 22
16 1/2 x 23 1/2
16 1/2 x 24 3/4
16 1/2 x 26
16 1/2 x 27 1/4
16 1/2 x 28 5/8
93508093
Figure 24
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