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Fix PVC coated straining wire by passing it through 5mm holes drilled
in the top faces of the apex/top purlin and the eaves/bottom purlin at
383mm centres. The wire to pass over the intermediate purlins. The first
straining wire to be fixed 50mm away from gable end. Evenly tension all
wire ensuring that cut ends face downwards.


Roll ALUBUBBLE® down the slope of the roof and cut to length with an
additional 200mm of material to use as a grip for tensioning the material.
Fix ALUBUBBLE® over the straining wires and ensure that it is laid square
to the building. Attach ALUBUBBLE® to the eaves purlin using good
quality double sided adhesive tape of either 24mm or 48mm width. Firmly
grip the top end of the material and pull to tension the ALUBUBBLE® and
attach to the apex purlin again using double sided tape.

All subsequent sheets of ALUBUBBLE® to be fixed as above with a
minimum of 100mm overlap over the previous sheet. To achieve the best
visual effect, install ALUBUBBLE® starting from the end of the building
from where one wants to see the neatest finish. Straining wires must be
positioned at the centre of the overlaps i.e. not more than 50mm from the
edges of the sheet.
Lay the roof sheeting as soon as possible after the fitting of ALUBUBBLE®.
NOTE: In the case of white Alububble, the white side faces down and the
foil side faces up.

The insulation properties, tensile strength and ease of handling
makes ALUBUBBLE® an ideal and versatile material for use in the
domestic market.
ALUBUBBLE® is laid horizontally commencing at the eaves
(bottom). Alububble can be laid horizontally or vertically for
under sheeting applications. In the case of Steel Purlins straining
wire may be necessary. Each subsequent layer is then laid with
a 100mm lap over the previously laid sheet. (This ensures that
ALUBUBBLE® provides insulation while acting as a waterproofing
membrane and vapour barrier against condensation.)