IOM / ROOFTOP BALTIC Series - 0704-E Page 41
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INSTALLATION ON A ROOF MOUNTING FRAME
CURBING AND FLASHING
When the frame is correctly positioned. It is essential to secure the assembly with a disconnected stitched welded seam (20
to 30mm every 200mm
) along the outside or by using an alternative method.
Before installing the equipment, make sure that seals are
not damaged and check that the unit is secured to the
mounting frame. Once in position, the bottom of the
equipment must be horizontal.
The installer must comply to local authority standards and
specifications.
Outside of frame must be insulated with rigid type insulation;
We recommend a minimum of 20 mm thick insulation (2
figure 8).
Check that the insulation is continuous, counter flash and
seal around the frame as shown in (1-figure 8).
CAUTION : To be effective, the upstream must end below the
drop edge (3 - figure 8).
Where pipes and electrical conduits extend through the roof,
flashing must conform to local codes of practice.
Fig. 8
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