INSTALLERS PLEASE READ THIS
RETROSEAL HOUSESEAL STANDARD
Corrugated (for timber fascia or flat wall)
WALL SHEETING VARIATIONS
The major problem with using profile cut flashings is shrink or creep of the wall sheets. This may be due to deliberate shrinking or expanding of the sheets, or sheets being pulled apart or pushed together at the joint by installers to run plumb with the building. It can also be caused by sheet and roll-mill variations.
HOUSESEAL addresses this problem by being made in sheet widths, so creep or shrink of each sheet doesn’t progress. It is slightly longer to allow for overlapping at joints.
FITTING AND FIXING
Install flashing vertically as shown and attach with button headed screws or clouts.
Ideally the tabs on each flashing length will sit centrally in the sheet profiles. Where variances occur, cut the flashing at an appropriate place to allow the tabs to fit naturally into the profile.
It may also be necessary to adjust over-screwing or under-screwing of the roof sheet to ensure a neat fit. A light tap with a hammer will extend the tab deeper into the roof profile, for improved fit.
BAL. For buildings that have to meet the Australian Standard BAL regulations, it is the responsibility of the installer to be aware of these requirements, and to identify and close any gaps that exceed 3mm.
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