Waterproofing & Compliance by Moretti Bathroom Renovations in Sydney, as 3740 waterproofing done properly
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Waterproofing, The Stage Nobody Should Rush

Most bathroom failures come from rushing the membrane, not from the product. We install to AS 3740, allow full cure, and issue the certificate.

0406 999 203Free, no-obligation quotes

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Across South Sydney, the Eastern Suburbs and the Lower North Shore

Same-business-day response.

Projects from $25,000+ · Licensed Builder 378902C

About this service

Waterproofing is the most critical aspect of any bathroom renovation and the most common failure point in the industry. The cause is almost always the same: the membrane wasn't allowed to cure before tiling started. We follow AS 3740 exactly, build the cure time into the program, and provide you with a waterproofing certificate at handover, plus a 10 year waterproofing warranty*.

What we cover

  • Membrane installation to AS 3740
  • Full cure time built into the schedule
  • Correct falls, hobs and drainage detail
  • Waterproofing certificate provided
  • 10 year waterproofing warranty*
  • Optional annual inspection for the first 5 years

Enquiries

Waterproofing, common questions.

Nine times out of ten because the waterproofing was rushed, tiled over before it cured. The product is rarely the problem.
Let's begin

Know exactly what you're investing in.

Book your free in-home consultation and we'll prepare your complete renovation plan, scope, selections, timeline and payment schedule, within 48 hours. No pressure. No surprises.

0406 999 203Mon to Sat 7:00am to 5:00pm

Get Your Complete Renovation Plan

Free consultation · Written plan within 48 hours

Projects from $25,000+ · Licensed Builder 378902C

Still have questions?

Book a free consultation and we'll walk you through every detail.

No pressure, just honest advice, and a fixed-price quotation within 48 hours.