Is Your Waterproof Membrane Certified For External Use?

Installer: Sam Gardener Tiling. Photo Credit: Manuele Rinaldi

Tips from Technical Services on Waterproofing Membranes

An article by Fred Gray, LATICRETE Australia Technical Service Manager, provides educational insights to waterproofing membranes and how they may or may not comply with industry standards.

"Bear with me for a bit with all these numbers. Both volumes of The National Construction Code (NCC), along with other waterproofing matters, for a while now have included External Waterproofing requirements to AS4654.1 & 2. Volume 2 of the NCC mandates in Clause 3.8.1.3 External above ground membranes - Waterproofing membranes for external above ground use must comply with AS 4654 Parts 1 and 2; and Volume 1 of the NCC mandates in Clause F1.4 External above ground membranes - Waterproofing membranes for external above ground use must comply with AS 4654 Parts 1 and 2.

So what does all this mean? 

For all above ground external installations, we all should have by now started using membranes that comply with the new requirements of AS4654.1 – Materials; and that we have adjusted our work practices to the new guidelines included in AS4654.2 – Design and installation.

We are all generally well versed in using membranes that conform to the material standard AS4858 for doing work governed by AS3740 – Waterproofing of domestic wet areas. We now need to become just as familiar with the new guidelines in the NCC regarding AS4654. We may even have to issue certificates to relevant authorities for a lot of this work, nominating the complying membrane and work practices as we do for Wet Area work.

Does the membrane you use now comply with the new materials standard? You may be surprised to find out, it does not." Don’t risk it, use LATICRETE HYDRO BAN®.

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