extend minimum 150 mm (6 inches) beyond edges of fabric.].
3.8.8
Coating Application Clean-Up
Clean surfaces that receive roof coating materials which are not designated
to receive such materials. Remove overspray masking materials and
coverings upon completion of the coating work.
3.9
FIELD QUALITY CONTROL
3.9.1
Construction Monitoring
During progress of the roof work, Contractor shall make visual inspections
as necessary to insure compliance with specified parameters. Additionally,
verify the following:
a.
Protection measures are in place.
b.
Equipment is in working order.
Metering devices are accurate.
c.
Materials are not installed in adverse weather.
d.
Surfaces are cleaned and primed and substrates are in acceptable
condition prior to application of materials.
e.
Materials comply with specified requirements.
f.
All materials are properly stored, handled and protected from moisture
or other damages.
g.
Foam material is applied in minimum of two passes, or lifts, applied
perpendicular to the subsequent pass and in thickness from 13 mm (1/2 inch)
to 38 mm (1-1/2 inches) per lift.
h.
Foam is free of blistering in its formation and the surface texture is
as specified.
i.
Foam is applied to provide for positive drainage of the roof area.
j.
Foam is cured minimum of 2 hours and in accordance with manufacturer
requirements prior to coating application.
k.
Base coat is applied to fully cover the applied foam at the end of
each work day.
l.
Coating is applied in a minimum of three coats as specified. Each
coat is applied perpendicular in direction to the preceeding coat.
m.
Wind screens are utilized as necessary.
n.
Foot traffic is prohibited on foamed and coated surfaces until
completely cured.
o.
Granules, where utilized, are embedded as specified.
3.9.2
Coating Wet Film Thickness Monitoring
Prior to application of base coat, place one 100 mm (4 inch) square flat
metal test plate on surface of foam insulation for every 10 square meters
SECTION 07570
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