Is a waterstop angle required under AS3740?

AS3740:2021 requires measures to prevent water migration from wet areas, and waterstop angles are commonly used to meet this requirement.

Where is the waterstop angle installed?

It is installed at wet area entrances such as shower or bathroom doorways.

Is this suitable for residential bathrooms?

Yes, it is designed for domestic wet areas.

Does it replace waterproofing membrane?

No, it is used alongside a compliant waterproofing membrane system.

What length is supplied?

Each waterstop angle is supplied at 2.1 metre lengths.

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Home Shop Waterstop Angle 20mm x 12 mm x 2.1m

Waterstop Angle 20mm x 12 mm x 2.1m

In Stock

$16.50

(AUD) inc GST

SKU: ATC-WaterstopAngle-12x20mm-2.1 Categories: Bathrooms & Showers Waterproofing, Flashings, Miscellaneous

The Waterstop Angle 20mm x 12mm x 2.1m is an aluminium waterstop profile designed for installation at wet area entrances to prevent water migration beyond waterproofed zones. It is commonly used in bathrooms, showers and other domestic wet areas to form a physical barrier at doorways and transitions.

What Is the Waterstop Angle Used For?

This aluminium waterstop angle is installed at wet area entrances to control water flow and ensure waterproofing systems perform as intended. It helps prevent water escaping from showers and bathrooms into adjacent dry areas.

Compliance With Australian Standard AS3740:2021

Aluminium waterstop angle commonly used at wet area entrances to conform with the requirements of Australian Standard AS3740:2021 (Waterproofing of domestic wet areas).

Supplied in 2.1 metre lengths.

When Should You Use a Waterstop Angle?

Use a Waterstop Angle 20mm x 12mm when:

Waterproofing domestic wet areas

Treating bathroom and shower entrances

Preventing water migration beyond tiled zones

Complying with AS3740:2021 requirements

Installing membranes in residential or light commercial projects

Product Features

Aluminium waterstop angle

Designed for wet area entrances

Helps prevent water ingress into dry areas

Supports compliance with AS3740:2021

Durable, corrosion-resistant construction

Supplied in 2.1 metre lengths

Suitable Areas

Bathrooms

Showers

Laundries

Domestic wet areas

Doorway and entrance junctions

Suitable Substrates

Concrete

Masonry

Cement sheeting

Rendered surfaces

Waterproofing membrane systems

PRODUCT CODE	ATC-WaterstopAngle-12x20mm-2.1
BRAND	Miscellaneous
PRODUCT TYPE	Miscellaneous, Waterstop
APPLICATIONS	Bathrooms/Showers, Flashings
Color/S	Aluminum
SIZE/S	20mm x 12mm x 2.1m

FAQ

Is a waterstop angle required under AS3740?
AS3740:2021 requires measures to prevent water migration from wet areas, and waterstop angles are commonly used to meet this requirement.
Where is the waterstop angle installed?
It is installed at wet area entrances such as shower or bathroom doorways.
Is this suitable for residential bathrooms?
Yes, it is designed for domestic wet areas.
Does it replace waterproofing membrane?
No, it is used alongside a compliant waterproofing membrane system.
What length is supplied?
Each waterstop angle is supplied at 2.1 metre lengths.

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Google Rating
4.9
Based on 99 reviews
The Waterstop Shop
4.9
Peter Zervas
1774846266
Great customer service and products! Very happy with the service and will come again
Adrian Woods
1774823364
Customer service is always great, the blokes are full of good advice,Aloha pools
Ben Lewis
1774579698
Excellent service from Josh, had me kitted out with all I needed in no time, highly reccomend
Scott Davies
1774559765
Josh and the team at The Water Stop Shop have been greta to deal with and always very knowledgeable about differetn situations.i have no hesitation in recomending these guys for your waterproofing needs.
Zhang Ryan
1774392952
There are professional waterproof materials here.
D B
1773979264
The best waterproofing shop in town. Talk to Josh. He’ll help ya. Thanks guys.
Gary
1773792366
Josh was very helpful thanks
Loris Bertuola
1773695158
Very good product.
Amar Naik
1773445490
Great service from Josh - thanks for the help!!
Ivan Li
1773350967
best products and good service!
Sid Bhattacharjee
1773286020
What can I say, it was just wonderful to speak to them, very refreshing. Although, I could not get the product ASAP as I am based in Sydney and they are in Melbourne, but the support, suggestion, alternative options offered to me are priceles, I thought it was God sent. We need to support and highlight such businesses who go above and beyond the regular and make your day.
Pheobe Purvis
1773276004
Very helpful
Isa Nadeem
1773269475
Met Josh, he was super helpful and polite. Great guy. Highly recommend this shop
Denis Ciobanu
1772144593
Josh at Waterstop was extremely knowledgeable and helpful. He took the time to explain everything clearly and gave us all the information we needed about waterproofing. His advice was practical and professional, and it made the whole process much easier for us. Highly recommend Josh if you need reliable waterproofing advice.
Tanya Connor
1766186059
What a saviour. Open on Saturday, great prices and very detailed guidance and advice. Absolutely recommend.
Ben Pickering
1765941624
Great service and great knowledge of the products. 5 stars
Sheraton Woods
1765499623
Josh and the boys were very helpful and knowledgeable.
Alex Zorko
1765494150
Josh has amazing service
Phill Dunbar
1763769922
Second bathroom and second visit here. Good knowledge and helpfull.
K
1762761775
Awesome customer service and great team.
Tony
1761097290
Fantastic service ….. Josh was helpful and gave some great advice .
James McBride
1760573960
Excellent service from Matt and the team at The Waterstop Shop in Oakleigh! They really know their products and went above and beyond to help me find the right waterproofing materials for my project. Great prices, quick turnaround, and genuine customer care — highly recommend them to anyone in the trade!
Alex D
1759541680
Best shop waterstop shop speak to Josh
Frederick Terepita
1758241029
Best in the business… Josh help me out
Roni Yohana
1757904982
The Waterstop shop is a great place to buy all of your waterproofing needs. Josh helped me out with technical advice and was very helpful. Definitely recommend the store.
See all reviews Write a review

Google Rating
4.9
Based on 99 reviews
The Waterstop Shop
4.9
Peter Zervas
1774846266
Great customer service and products! Very happy with the service and will come again
Adrian Woods
1774823364
Customer service is always great, the blokes are full of good advice,Aloha pools
Ben Lewis
1774579698
Excellent service from Josh, had me kitted out with all I needed in no time, highly reccomend
Scott Davies
1774559765
Josh and the team at The Water Stop Shop have been greta to deal with and always very knowledgeable about differetn situations.i have no hesitation in recomending these guys for your waterproofing needs.
Zhang Ryan
1774392952
There are professional waterproof materials here.
D B
1773979264
The best waterproofing shop in town. Talk to Josh. He’ll help ya. Thanks guys.
Gary
1773792366
Josh was very helpful thanks
Loris Bertuola
1773695158
Very good product.
Amar Naik
1773445490
Great service from Josh - thanks for the help!!
Ivan Li
1773350967
best products and good service!
Sid Bhattacharjee
1773286020
What can I say, it was just wonderful to speak to them, very refreshing. Although, I could not get the product ASAP as I am based in Sydney and they are in Melbourne, but the support, suggestion, alternative options offered to me are priceles, I thought it was God sent. We need to support and highlight such businesses who go above and beyond the regular and make your day.
Pheobe Purvis
1773276004
Very helpful
Isa Nadeem
1773269475
Met Josh, he was super helpful and polite. Great guy. Highly recommend this shop
Denis Ciobanu
1772144593
Josh at Waterstop was extremely knowledgeable and helpful. He took the time to explain everything clearly and gave us all the information we needed about waterproofing. His advice was practical and professional, and it made the whole process much easier for us. Highly recommend Josh if you need reliable waterproofing advice.
Tanya Connor
1766186059
What a saviour. Open on Saturday, great prices and very detailed guidance and advice. Absolutely recommend.
Ben Pickering
1765941624
Great service and great knowledge of the products. 5 stars
Sheraton Woods
1765499623
Josh and the boys were very helpful and knowledgeable.
Alex Zorko
1765494150
Josh has amazing service
Phill Dunbar
1763769922
Second bathroom and second visit here. Good knowledge and helpfull.
K
1762761775
Awesome customer service and great team.
Tony
1761097290
Fantastic service ….. Josh was helpful and gave some great advice .
James McBride
1760573960
Excellent service from Matt and the team at The Waterstop Shop in Oakleigh! They really know their products and went above and beyond to help me find the right waterproofing materials for my project. Great prices, quick turnaround, and genuine customer care — highly recommend them to anyone in the trade!
Alex D
1759541680
Best shop waterstop shop speak to Josh
Frederick Terepita
1758241029
Best in the business… Josh help me out
Roni Yohana
1757904982
The Waterstop shop is a great place to buy all of your waterproofing needs. Josh helped me out with technical advice and was very helpful. Definitely recommend the store.
See all reviews Write a review