Don’t forget to check your work with a level as you go!
Page 9 of 11
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Hot Tub Decking Kit with Roof
Arrange the sheets loosely on the roof, and mark hole
positions and any necessary saw cuts with a felt tip
pen.
Sheets should overhang the roof by 70mm to allow
rainfall to run-off .
Cutting Sheets (if required)
If cutting is required use an angle grinder with a metal
slitting blade or fine tooth saw at a shallow angle with
light pressure.
Support the sheet to minimise vibrations.
A good tip when cutting, is to sandwich the sheet
between other sheets with the part to be removed
protruding.
If a sheet has to be cut to a finished width, make the
cut in the slope of the corrugated sheet.
Avoid drilling and cutting sheets in very cold weather.
Warm sheets will be less prone to damage. If possible
store sheets in a warm room before cutting.
Drilling Sheets
Pre-drill sheets before fixing. Please note - holes for
fixings must drilled larger than the fixing to allow for
expansion.
Typically 10mm for a 3m sheet.
Drill sheets singly with a masonry bit, using a low
speed drill and light pressure. Support the sheet
securely under each hole position when drilling.
There should be at least 5 fixings per support across
the width of the sheet.
If your kit size requires overlapping the roofing then
start with the sheets at the lowest part of the roof first
then continue to highest part of roof as shown in
diagrams above and below.
Step 7
ROOFING
