News

News

Collecting Drinking Water from Roofs in 5 Steps

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In NZ, approximately 10% of the population relies on rainwater collection for their daily needs. Allco JM TPO is certified as a suitable waterproofing membrane for water collection.

Allco JM TPO certified membrane for water collection

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Allco’s JM TPO has undergone rigorous testing and is proven to meet the New Zealand requirements (AS/NZS 4020:2018) as a suitable membrane for the collection of potable water.

Sharing Allco’s Values with the Community

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Allco Waterproofing is working in partnership with Rotorua Lakes High School to create better outcomes for students with learning difficulties. inspired by Allco Managing Director, Alex Valentine, own experience with Dyslexia.

TA Team: Technical Knowledge and Site Support


Established in 2007, Allco’s Technical Advisory department had one clear goal: to support and guide our approved applicators and to ensure the correct installation of our Volclay range. At that time, no other suppliers offered a similar service, and we believe this remains a unique point of difference.

Rose joins the Allco Team!

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The Allco team continues to grow and we’re excited to introduce our new South Island Architectural Advisor, Rose Ross. She will be based in Christchurch, working closely with S.I. Sales Manager Damien, to continue our growth and expansion in region.

The Resilience of Allco tanking membranes under extreme weather conditions


The changing climate patterns require a revaluation of water control practices in construction projects. By prioritising effective water management from the design phase through to post-construction, we can mitigate the impact of intense rain events and prevent potential damage. Implementing improved backfilling techniques, utilizing larger (or more) drain coils positioned well below finish floor level, larger volume of backfill and performing regular maintenance are crucial steps toward a more resilient and sustainable approach to water control.