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Example:
This example use fire-resistant gypsum panel (4) and 1-1/2 metallic stud (2) (2" x 2" wood equivalent) a
flat exterior finish, plaster and painting.
The frame height is calculated inside the screwing frame (1). And the fire-stop (7) at the ceiling level.
a. If you elevate the fireplace, build the base.
b. Install the fireplace on the base (if you have one) or on the floor.
c. Build the ceiling frame for the fire-stop and centering it with the vent with a plumb line
d. Install the fire-stop (7) into the ceiling frame
e. Install the first direct vent section like indicated in this manual
f.
Pass the pyramidal dock (5) over the direct vent section and elevate it over a temporary frame
(6)
g. Install the insulation sleeve (8) over the vent and attach it to the base of the vent.
h. Install the rest of the vent section to the roof and install correctly the insulation sleeve, do
not cut the sleeve, pass it into the fire-stop if so.
i.
Build the frame cladding with the metallic stud (2) and screw it into the corner of the screwing
plate (1) fixed onto the fireplace.
j.
Level the stud (2) and attach it with metal angle to the ceiling. You probably need to screw it
over the fireguard to fix them to joist.
k. Remove the temporary frame (6) and sit the pyramidal dock (5) onto the fire place.
l.
Install gypsum panel (4) over the metallic stud (2). Insert it by 1" into the pyramidal dock.
m. Do plaster to finish, sand and paint it.
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