Lightweight.
Clear.
Min.
Nom. Thickness:
3"
Asb 0.80mm (0.032")
Fire
Ratings
BS
Superweight Vistalux is class
O as defined by Appendix A, Approved
document B, 1992 Buildings regulations.
Heavy duty and light duty Vistalux
are Class 1(BS 476 Part7). All
Vistalux sheets are classified
"self-extinguishing" when tested
to Method 508A pat 5 BS 2782.
KENT's
10 YEAR GUARANTEE
Kent
Plastics Ltd., undertakes
to supply a replacement
free of charge for any
Vistalux PVC sheet that
proves to have failed
due to a manufacturing
defect, in normal weather
conditions, during a
period of 10 years from
the date of purchase.
This
guarantee is only valid
providing the Vistalux
has been fixed in accordance
with the manufacturers'
instructions and does
not extend to the cost
of re-erection or other
consequential loss.
This
guarantee is offered
as an extra benefit
and does not affect
consumers' statutory
rights.
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Fixing
Instructions
Sheets
must not be stacked in direct
sunlight or distortion and discolouration
will occur, due to the serveral
thicknesses acting as a magnifying
glass and causing heat build up
within the stack. If left in the
open, sheets should be covered
with an opaque(not black) tarpaulin.
Stack height should not exceed
1.22m(4'0") and should be supported
on 2" battens, not more than 3'
apart.
Cut
sheets singly or several together
over a firm support. Use a fine
tooth saw at a low angle. If 'binding'
occurs the saw can be lubricated.
Care should be taken in handling
and cutting in very cold weather.
Extreme caution is recommended
at temps below 4.5degrees Centigrade(40
Fahrenheit). Drill sheets singly
or several together, preferably
over a firm support using a hand
or slow speed power drill and
a masonry bit. Holes should be
2mm(1/16") oversize the fixing
screw or bolt. Never punch holes
through the sheets;all holes must
be pre-drilled prior to nailing.
Always use Ariel fixings comprising
screws, washers, caps and for
better support use Ariel Super
Fixings(See profile diagram and
Purlin Centres). When lapping
ends of sheets the minimum lap
should be 150mm (6"). But where
the roof slope is less than a
10 degree a 12" overlap is recommended.
Never leave inadequately fixed
sheets on unfinished jobs. Fixings
should not be overtightened and
no nearer ends of sheets than
50mm(2"). A false ceiling must
not be erected below the Vistalux
as this will cause heat to build
up which will discolour or distort
trhe Vistalux sheet.
Wind
Loading. Where sheets are
to be used on buildings subject
to high wind loadings, or other
unusual conditions, please refer
to the technical advisors.
Flashing.
Where Vistalux sheet meet
a wall, the gap should be sealed
wiht Clear PVC flashing and flat
aluminium flashing or rpeformed
aluminium flashing.
Eaves-Fillers.
Available to suit all profiles,
Insert at eaves and ridge to give
a weather-tight seal and a neat
finish.
Sealing
Tapes. Available to suit all
profiles, Insert between lapped
sheets to provide a realiable
seal against dust and dirt.
