Frost Brochure Issue 03 - Catalog - Page 69
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4. DRESS MEMBRANE AND CLAMP
Dress the membrane over the flange over the
edge of the body sump in accordance with
the manufacturer’s instructions, ensuring that
the membrane does not restrict the outlet.
Ensure that the flange is at or below the level
of the membrane.
Bolt the membrane clamping collar to the body
using the supplied fittings. Thin membranes
may require the screw length to be reduced.
5. INSTALL INSULATION
Install any additional roofing materials
and build-up (e.g. insulation) around the
roof outlets.
6. FIT DOME AND APPLY FINISH
Fit the dome or grating using height
adjustment where applicable to ensure
grating is flush with the roof finish.
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