Technical Issues

12 02, 2022

Lessons We’ve Learned and Others Taking More Time

By |2022-03-07T15:38:59+11:00February 12th, 2022|Members Articles, Technical Issues|

In a recent chat with a few of my staff we’d been recollecting how the waterproofing and building game was in the 80s / 90s. It felt like I was pulling stories out of the vault, but it wasn’t that long ago we approached it this way and, in some cases, still are. Without writing, [...]

10 08, 2020

Different Waterproofing Requirements Between Shower Floors and Walls

By |2023-03-10T12:42:05+11:00August 10th, 2020|Members Articles, Technical Issues|

In ‘AS3740 waterproofing of domestic wet areas’ has the floor of a shower recess needing to be waterproof while the general area of the walls as water-resistant. The reason for this difference is that water flows across the floor during operation but the walls only get water splash. When finishing showering water pools on the [...]

10 05, 2020

A Consultant’s View – Waterproofing Membranes on Balconies with Lightweight Claddings

By |2023-03-10T14:05:14+11:00May 10th, 2020|Members Articles, Technical Issues|

My job is to assist clients with waterproofing issues arising from leaks to their homes, apartments or places of business. I am not going to dissect all of the challenges we face as an industry, but I will discuss in this issue one of the most common faults I see on an almost a daily [...]

9 05, 2020

Door Thresholds!!!

By |2023-03-10T14:09:24+11:00May 9th, 2020|Members Articles, Technical Issues|

A very common fault we see in buildings are the door thresholds being too low or non-existent (flush). This door frame was sitting down on the tiled surface and water had been ingressing in for a very long-time causing destruction of structural timbers below and adjacent to the door frame. In this case the screed, [...]

7 03, 2020

Waterproofing Basements

By |2023-03-10T13:58:07+11:00March 7th, 2020|Members Articles, Technical Issues|

Basements are used for a number of different purposes with the most common types as follows: Car parks Car parks with storage units Plant rooms Habitable room spaces Depending on the basement usage there is a different demand on the waterproofing. The different requirements for the four types are discussed below. Carparks Cars bring water [...]

6 03, 2020

Vertical Up – Stands Around Decks-Balconies

By |2023-03-10T11:38:34+11:00March 6th, 2020|Members Articles, Technical Issues|

  The height required to prevent water breaching over the termination of the waterproofing around the edge of decks or balconies is often not high enough to stop water entry from wind driven rainwater. Australian Standard AS4654 – 2012  ‘Waterproofing membranes systems for exterior use - Above ground level Part 2: Design and installation’ has [...]

10 07, 2019

Why the Membrane’s Classification Doesn’t Matter

By |2023-03-10T14:16:12+11:00July 10th, 2019|Members Articles, Technical Issues|

(at least not the way you think it does) In the 2016 & 2019 NCC, there is a requirement for the waterproofing membranes used both internally and externally to comply with appropriate Australian Standards. AS 4654.2: Waterproofing membranes for external, above ground use is the standard for complying with Section F1.4: External above ground membranes. [...]

2 04, 2018

Warm Roofs, What Are They. Why Should I Consider One

By |2023-03-08T10:16:51+11:00April 2nd, 2018|Members Articles, Technical Issues|

Karl Wootton Senior Technical Consultant/Director Some of you more distinguished members of the waterproofing community may say, “but we’ve always had them. We called them inverted roofs.” Yes, you could say that, but there is a distinct difference in the form they take and the thermal Insulation value they ultimately provide. Warm roof construction in [...]

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