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So for a 4m by 4 m bathroom you need 40mm of fall to a drain?

So I guess this solves the before or after screed argument

We don't screed bathrooms in Victoria so it's irrelevant

Thanks this was great. Appreciate putting this video up.

Silicone, even if there was a stub out, youde still need to use silicone... Not sure what the problem is?

Bout a tube and a half of silicone lol

🎯 Key points for quick navigation: 00:00 *🚧 Big changes are coming in NCC 2025, especially in waterproofing and water shedding; guide provided for submitting comments.* 00:15 *📝 Public comments must be submitted through the consultation Hub; submissions should focus on proposed changes.* 00:28 *🌐 Access the Consultation Hub via consultation.abcb.gov.au for the National Construction Code 2025 draft.* 00:58 *💧 One major change involves improving waterproofing and water shedding provisions.* 01:13 *📄 Download the standard response form, a Word document to fill out with comments.* 01:26 *🧩 Response should include technical issues, content simplification, editorial corrections, and support for proposed changes.* 01:54 *✅ Indicate the relevant volume, nominate clause/figure/table, provide recommended changes, and justify them.* 02:35 *📌 Multiple responses can be included in one document; ensure clarity before submission.* 03:04 *🚀 Begin the submission process on the website by clicking the appropriate link.* 03:32 *🖋️ Provide your name, email, and organisation details during submission.* 03:47 *⬆️ Upload the completed response template; add additional files if needed.* 04:13 *🔄 Review and submit your response; receive a response ID via email.* 04:44 *🎉 Congratulations for submitting your comments and contributing to the NCC 2025 draft discussion.*

Great session! thanks for sharing

great record

Now, how to achieve minimum 200mm slab for fire rating, without having a ridge 1:80 (12.5mm per meter) higher than the empire state building ?

Goodbye screeds indeed. 70mm stepdown, about time. Structural falls 1:80-concreters will hate this. I just hope that those responsible for the soon to be revised AS4564 are on the same page.

Great case study presentation highlighting the value of selecting the correct waterproofing system.Thanks for sharing David.

Thanks David. Self Compacting Concrete (SCC) use is important because; it eliminates the need for vibrator use ( which is the cause of majority problems associated with concrete placement) and the supplied concrete quality cannot be compromised ( ie adding water in the site, correct aggregate use and correct slump/spread). Air Voids can be avoided by using SCC which is important for durability, structural, fire and acoustic compliance. AIR VOIDS ARE ALSO THE BIGGEST OBSTACLE TO ACHIEVE WATERPROOF WALLS WITHOUT SCC. I recommend all to read Concrete Inst. of Australia article; volume 50, issue 1, page 47 which states "Cracks in some concretes containing certain permeability-reducing admixtures were found to heal at widths of up to 0.3 mm" How can we ensure that crack widths cannot exceed 0.3 mm (some argue 0.5mm). AIR VOIDS ARE MUCH BIGGER THAN 0.3 or 0.5mm cracks under any circumstances. Therefore the question is begged to be answered; how is it possible to offer waterproofing warranty with just admixtures on concrete walls without bonded membrane wall protection, without SCC and without providing an Air Void Free Warranty.

More great content, Dincel improving their system with great design, innovation and testing, thanks for sharing David

Excellent presentation, thanks for sharing this valuable information.

Thanks for continuing to share these videos. They’ve been such a massive help for us. There is such a shortage once you go beyond the standards and product specs.

Great video! Keep up the good work.

Great presentation and demonstration of a sheet membrane system that looks very promising. Thanks for sharing.

I think its always better if the licensed waterproofer is also licensed tiler so you wouldnt have this conflict of interest where the Tiler is riping up those membrane off just so he could get his tile installed the way he wanted it. We were lucky to have some renovation at our place and the tiler and the wateproofer is the same guy. Btw great presentation and very informative

Actually, the NCC specifies compliance with the HPS AND AS3740...

Once again great presentation and content, thanks for sharing

Great presentation very informative thank you for sharing.