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Hi @kiwijunglist - The most likely product to use would be Dunlop Tile-All Plus. We don’t believe it will stain the granite and it would have a reasonable chance of adhering to the painted surface. However, ARDEX/Dunlop do not generally have recommendations for products being applied onto painted surfaces so this application would be considered unwarrantable .

Hi Alex, DUNLOP do not generally recommend waterproofing over timber substrates. It is common practise to screw-fit a fibre-cement sheet (CTU) prior to priming, waterproofing and tiling. If you were to waterproof directly over the Plywood substrate, I would suggest it should be primed first with either DUNLOP Rapid Bond-Coat or DUNLOP Damp-Proof Waterproofing. Our preference would be for DUNLOP Damp-Proof Waterproofing ( 2- coats) then application of the DUNLOP Express Wet Area Tape prior to waterproofing with the DUNLOP Express Wet Area Waterproofing.

@@DunlopBuildingProducts Thanks your reply is very much appreciated.

Hi Esha, The Dunlop Express Wet Area Waterproofing system can be applied to: Internal Fibre-cement wall sheet, compressed fibre-cement sheet, wet area grade plasterboard, concrete (cured for min. 28 days), internal structural plywood (PAA branded) including marine or wet area grade only (the shower area must be sheeted using ceramic tile underlay), renders and screeds (cured for min. 7 days) and internal AAC blocks and panels. Please review the product page and datasheet for more information: dunlopdiy.com/product/dunlop-express-wet-area-waterproofing/

Hi Grant, a neutral cure silicone does not need to be used in wall/floor or wall/wall junctions if the Dunlop Express Wet Area Tape or Dunlop Pro Rapid Tape is used. You can still use the neutral cure silicone if you wish. The silicone is used when the Dunlop Reinforcing Mat is used in place of the Dunlop Express Wet Area Tape or Dunlop Pro Rapid Tape. The Dunlop Reinforcing Mat is embedded in the first coat of the membrane.

@@DunlopBuildingProducts thank you. I was more asking in the sense of should you NOT use the silicone of using tape and vice verse. It’s just the way the wording is on the Pro Rapid Tape box, it says tape isn’t required but as it doesn’t specifically say ‘do NOT use silicone due to incompatibility’ etc I wasn’t sure if you could use both to be safe, you know - for extra protection .... I’m not doing this bathroom again in any time soon 😬 would rather over engineer it once than under engineer and do it twice 😁😉👍

Hi @@grantdavenport2036 - not a worry. The system we believe you are referring to does not require the use of a bond-breaking silicone. You are able to use the silicone if you wish to. There will be no adverse reaction with the Pro-Rapid Tape.

XD

Hi there, DUNLOP EXPRESS WET AREA TAPE is a self-adhesive sealing tape that provides a waterproofing seal between the surface joints of the floor and wall, under shower grates and outlets in wet areas such as bathrooms, kitchens and laundries. Use in conjunction with DUNLOP EXPRESS WET AREA WATERPROOFING MEMBRANE for a rapid, total express waterproofing system and tiling can commence after 4 hours. Using this tape in conjunction with the DUNLOP EXPRESS WET AREA WATERPROOFING MEMBRANE meets the standard for waterproofing according to the Australian Building standards. The tape is flexible and it is used instead of a bond breaker.

Hi Dat, Dunlop Express Waterproofing membrane used with the tape cannot be painted over in an external environment.

Hi there, we generally recommend that waterproofing be installed over a screed in order to create ‘falls’. It is however, common practise in the industry to apply membranes under screeds. This practice is allowable in Australian Standards who state that waterproofing can be placed both under and over screeds.

Yes, my thoughts also. Do you need tape around it if it's all siliconed underneath the puddle flange? Would just the membrane be enough?

Hi there, Dunlop Express Wet Area Tape is a highly flexible alternative to the use of silicone bond-breakers and reinforcing mats for all junctions when waterproofing a wet area. Its use will speed up the waterproofing process due to fewer steps involved. The use of the tape with the membrane will accommodate any movement likely to be experienced within any standard waterproofing situation.

Yep, done in 4 minutes and fail inside 12 months, genius.

@@brettrasmussen413 no leaks yet on approx 102 new houses per year last 8years.

@@stephenc4161 lol don’t buy a new house