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A lack of specific details in the building code for specifying decking or tiles on deck jacks over membrane leaves you in a position of potential risk and liability.

Surprisingly, even after all these years of discussion and legal finger pointing regarding membrane decks, there are still a number of issues that are not specifically addressed in the building code. Ultimately, this means that your design solution has to be more rock solid than ever and not an improvised design solution created by you or the builder based on interpretations of 3604 E2/AS1.

Broad guidelines in 3604 E2/AS1 cover some of the basic points, however it’s most important you have an understanding of thetypical deck over waterproof membrane issuesand that you can confidently specify a solution that addresses these.
A membrane decking surface needs the following attributes in order to significantly reduce the risk of potential headaches:

▪ sufficient airflow underneath the tiles or decking boards

▪ on demand access to gutters and downpipes for removal or debris

▪ stable, durable low height dimensionally stable structural materials that are unaffected by moisture

▪ the ability for the decking boards or tile surface to be uplifted and reinstated without damage or costly re-installation when inspection of the membrane is required

▪ a lightweight solution that requires no re-engineering to carry potential heavy materials such as structural tiles.

Qwickbuild by Outdure fulfills these requirements, providing quality moisture resistant materials and speedy project completion, plus the assurance your deck will stay straight and level.

Find out more information about decking over membrane here.

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