Waterproofing

Mon Nov 09 2020

Misconceptions about waterproof membrane elongation

ARDEX Australia

There is a wide misconception regarding the elongation properties of waterproof membranes and their ability to bridge cracks that form post membrane application.This bulletin endeavours to clarify the real meaning of elongation and elasticity in relation to bridging properties.

Mon Nov 09 2020

How long does concrete need to cure before waterproofing?

Dean Oliver

The curing time for concrete before waterproofing membrane application depends on the waterproofing product being used and varies from 24 hours to 28 days.

Mon Nov 09 2020

What is the fall requirement for a balcony?

Dean Oliver

AS 4654.2 Waterproofing Membranes for External Above-Ground Use stipulates a fall requirement of no flatter than 1:100.

Mon Nov 09 2020

What is the fall requirement for a bathroom floor?

Dean Oliver

AS 3740 Waterproofing of Domestic Wet Areas stipulates a minimum fall of 1:100 for general bathroom floor areas.

Mon Nov 09 2020

What is the fall requirement for a shower floor?

Dean Oliver

AS 3740 Waterproofing of Domestic Wet Areas stipulates the shower fall requirement to the floor waste with and without vertical separation from the bathroom.

Mon Nov 09 2020

Using hydrogel to replace membranes in basement waterproofing

Brendan Stead

A hydrogel formation can be induced in concrete by means of catalytic water-borne colloidal silicates. The hydrogel completely seals the porosity of the concrete, immobilising the moisture and preventing watermovement into or through the slab.

Mon Nov 09 2020

What are the Australian Standard requirements for waterproofing vertical termination details?

Dean Oliver

AS 4654.2 provides 3 options for vertical termination of a membrane.

Mon Nov 09 2020

What is the Australian Standard requirement for vertical termination height of external waterproofing?

Dean Oliver

The height requirement ranges from 40 mm to 180 mm depending on the building’s wind class.

Mon Nov 09 2020

The importance of floor screed design - part 1

Dean Oliver

Sand-cement and concrete screeds are often skimmed over or overlooked completely when it comes to design. Often, the guy on the tools on the day of screeding ends up designing the screed.

Mon Nov 09 2020

How to diagnose a leaking bathroom

Kos Roumanis

Water stained carpet in the hallway. Swollen and flaking bedroom wall. Musty odours near the bathroom. These are just some of the signs that a bathroom is leaking.

Mon Nov 09 2020

5 common liquid waterproofing installation mistakes

Dean Oliver

Waterproofing is a tedious business. So is carpentry. But unlike carpentry, if you make a waterproofing mistake, the consequences aren’t visible and don’t become apparent until it’s too late.