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Install the Support Framework
2 x 4
(50 mm x 100 mm)
2 x 2
(50 mm x 50 mm)
Pressure
Balancing
Loop
1.
Construct the support framework as shown in the above diagram.
The 2 x 2 should be offset 30 mm from the edges of the 2 x 4's to support the
pressure balancing assembly at the correct depth.
2.
Install the support framework under the pressure balancing loop(s) as
illustrated.
The face of the 2x4's should be installed flush with the face of the existing
ceiling joists.
Install the Finished Ceiling
229 mm -
235 mm
1.
Install the water-resistant board.
2.
Cut out a 229 mm to 235 mm square at the desired installation location.
3.
Install the finished ceiling material.
229 mm
368 mm
Typical
2 x 4
(50 mm x 100 mm)
Existing
Ceiling Joist
Tee
Nipple
Existing
Ceiling
Joist
2 x 4
50 mm x 100 mm)
30 mm
Tee
Finished Ceiling
Cutout
Finished
229 mm -
Ceiling
235 mm
Cutout
5
2 x 2
(50 mm x 50 mm)
2 x 4
(50 mm x 100 mm)
Existing
Ceiling
Joist
57 mm Min
229 mm -
235 mm
1071288-AN2-F
09/03/12
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