Reddit
reddit.com › r/homeimprovement › how to water proof walls around shower/tub
r/HomeImprovement on Reddit: How to water proof walls around shower/tub
August 11, 2022 -
What’s the best way to water proof this shower/bath? Going to tile it with some kind of tile. Heard of using cement board with vapor layer . Do I replace the remaining dry wall at the top?
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Cement backer board gives rigidity so the tiles and grout won't crack. I can't see a picture, you can upload to imgur, but you don't always have to cement board to the top, unless you are doing a steam shower which would need ceiling vapor barrier. As long as you have good ventilation and a door with a gap at the top, then you shouldn't need to go all the way up. Steps are: Level walls, use 4ft level across and in a X pattern to ensure they are plumb. Taking time here will save you many headaches down the line. cement board on walls (Kerdi boards are an expensive light weight option) fiber tape and mortar joints paint on red guard or similar waterproofing substance second coat of red guard. then thinset troweled out with tile. finally grout. Might have missed a few steps, but that's the general idea. Literally halfway through tiling my shower last weekend, about to finish it up.
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Remember that the ceramic tile is not what will waterproof your shower. It is what is behind the tiles that is important. No matter what you do, your shower needs to be water proof before the tiling happens. There may be case where just tiling will waterproof that I am not aware of but that's the advice I can tell you.
DIYTyler
diytyler.com › home › diy guide to waterproofing your walk-in shower
DIY Guide to Waterproofing Your Walk-In Shower - DIYTyler
April 5, 2023 - For the mixing valve and showerhead pipe holes, I added a layer of mud around the hole-shaped openings. After smoothing that coat out, I applied the seal for the mixing valve. Make sure the thick side is facing the mixing valve inside the wall! After installing these seals, I added a coat of mud as needed to the outside layer. Now that I had waterproofed every part of the shower except the curb, I next turned to the bench.
What is proper shower water proofing?
The green board is mildew/mold resistant, it's not waterproof. Should have minimum put the redgard on everything. Personally, I always do cement board followed by redgard for shower and bath tiling More on reddit.com
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May 17, 2024How to water proof walls around shower/tub
Cement backer board gives rigidity so the tiles and grout won't crack. I can't see a picture, you can upload to imgur, but you don't always have to cement board to the top, unless you are doing a steam shower which would need ceiling vapor barrier. As long as you have good ventilation and a door with a gap at the top, then you shouldn't need to go all the way up. Steps are: Level walls, use 4ft level across and in a X pattern to ensure they are plumb. Taking time here will save you many headaches down the line. cement board on walls (Kerdi boards are an expensive light weight option) fiber tape and mortar joints paint on red guard or similar waterproofing substance second coat of red guard. then thinset troweled out with tile. finally grout. Might have missed a few steps, but that's the general idea. Literally halfway through tiling my shower last weekend, about to finish it up. More on reddit.com
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August 11, 2022Bathroom walls are out, insurer claims no need to waterproof the floor?
The Australian Standard 3740-2010 says that the minimum requirement is that shower area floor needs waterproofing with a continuous membrane. This is just the shower area, not the entire room. However, the entire floor needs waterproofing if it’s on a 2nd floor. If the bathroom sits directly on the slab then the entire room doesn’t as per the AS, just the shower recess area. Best practice would be to do it all, but it’s not a requirement under AS 3740-2010 unless it’s a second storey bathroom. More on reddit.com
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May 5, 2023Does this shower wall need additional water proofing?
Sigh. These comments are all shit. Just use kerdi up to the height of the shower head or a bit higher. You don't need to remove anything. Just have a 2" overlap for your kerdi and it's all good. Kerdi is completely waterproof as long as it's installed properly so the backer for it is irrelevant. Source:Schlueter installer and bathroom renovation contractor. More on reddit.com
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September 12, 2023Videos
01:05:28
Waterproof Your Shower (Or Else) - YouTube
02:42
How To Waterproof A Shower - DIY At Bunnings - YouTube
03:52
How to waterproof a shower before tiling - YouTube
02:38
How To Waterproof Your Bathroom Floor - DIY At Bunnings - YouTube
44:32
How I Built a 100% Waterproof Shower - YouTube
100% Waterproof Shower Surround ~ Extension #23
Wikihow
wikihow.com › home and garden › home maintenance › bathrooms › showers › how to waterproof a shower: 13 steps (with pictures) - wikihow
How to Waterproof a Shower: 13 Steps (with Pictures) - wikiHow
February 24, 2025 - Schannon Yodice Tile Installation and Design Expert Expert Interview In addition to the tray itself, you’ll need to lay strips over the cracks where the floor and walls connect. Afterwards, measure and cut a large hole to fit precisely over the drain opening. Finish by applying one last coat of waterproofing over the entire floor. If the membrane you’re using isn’t large enough to cover the floor in one piece, you can trim and overlap multiple sections to get just the right size. For showers with sliding doors, place a strip around the lip of the stall where you enter.[18] X Research source
BuildWithRise
buildwithrise.com › home › do more research › shower waterproofing options: a complete guide
Shower Waterproofing Options: A Complete Guide
February 23, 2025 - Though ceramic and porcelain tiles on the floor and walls of your shower are virtually waterproof, the grout in between those tiles is not. Grout is nothing more than fine sand that is "glued" together with Portland ...
The Home Depot
homedepot.com › p › Custom-Building-Products-RedGard-1-Gal-Waterproofing-and-Crack-Prevention-Membrane-LQWAF1 › 100169081
Custom Building Products RedGard 1 Gal. Waterproofing and Crack Prevention Membrane LQWAF1 - The Home Depot
Custom Building Products RedGard 1 Gal. Waterproofing and Crack Prevention Membrane LQWAF1
RedGard Waterproofing and Crack Prevention Membrane prevents cracks in tile and stone floors due to surface movement. The membrane also produces a moisture barrier. Suitable for use in residential and commercial tile and stone installations.
Price US$71.42
Bunnings
bunnings.com.au › diy-advice › home-improvement › baths-showers-toilets › how-to-waterproof-a-shower
How To Waterproof a Shower - Bunnings Australia
Install reinforcing membrane where the floor joins the walls and around the drain. Once again, paint the area, then put the membrane down and give it a second coat to flatten it. When your membrane is installed, waterproof the rest of the floor.
FloorBox
thefloorbox.ca › categories › shower-walls › 24718150-4e01-11eb-b321-f6968cef729a
Shower Walls & Panels | Shop online | FloorBox
Shop online for shower walls & panels. We carry the largest selection of waterproof pannelling at the best prices. Trusted brands & delivery anywhere in Canada.
Fine Homebuilding
finehomebuilding.com › three ways to waterproof tile showers
Three Ways to Waterproof Tile Showers - Fine Homebuilding
August 5, 2021 - Also, you can use the standard seam strips in nonstandard ways: around the edges of niches and curbs, and even around the entire floor—taking advantage of their strength and crack-isolation properties. Foamboard systems can be used for walls, the pan, or both to create a shower substrate. Most systems also offer preformed niche boxes that integrate nicely as well. Between the parts and over the seams goes a liquid-applied elastomeric sealant, creating a fully waterproof substrate with an excellent factory warranty.
Quora
quora.com › What-is-the-easiest-and-most-effective-way-to-waterproof-shower-walls-before-tiling
What is the easiest and most effective way to waterproof shower walls before tiling? - Quora
Answer (1 of 6): There are some good answers below, you need to water proof the walls we use either a Mapei or Hydroguard water proofing/ isolation membrane over a cement backer board, or use Wedi board which is a foam board.
GreenBuildingAdvisor
greenbuildingadvisor.com › home › questions › waterproofing an already tiled shower
Waterproofing an already tiled shower - GreenBuildingAdvisor
September 11, 2022 - There is more than one way to build a waterproof shower but they are all unforgiving in that the tiniest of mistakes means a water leak that becomes mold and rot given some time. If all they did was nail cement board to the studs and slap on the tile my guess, is it will all get redone in less than 5 years. From the photos it looks like the floor may be curb less making it very difficult/ impossible to test the floor pan.
Schluter
schluter.ca › tiled shower waterproofing systems
Tiled Shower Waterproofing Systems | Schluter
The Schluter system provides the option of using a preformed shower tray with the slope built in and waterproof membrane applied at the factory. The use of such a tray eliminates the need to build a mortar bed, a process that can be particularly challenging for larger shower floors. The preformed tray makes installation much faster as it eliminates the required drying time for the mortar bed, and it guarantees a uniform slope on the shower floor. ... Most wall assemblies require a vapor retarder, such as roofing felt, reinforced asphalt paper, polyethylene sheeting, etc.
Schluter
schluter.ca › waterproofing membrane for a shower
Waterproofing Membrane For A Shower | Schluter
KERDI is part of the Schluter®-Shower System, an integrated family of products that that together form a fully bonded, watertight assembly for tiled showers. In addition to this sheet-applied membrane, Schluter offers a suite of KERDI accessories that facilitate the waterproofing of tiled floors and walls, including pipe seals, preformed corners, and waterproofing strips.
Easy Drain
easydrain.com › inspiration › [how-to] waterproofing your bathroom in 10 steps
[How-to] Waterproofing your bathroom in 10 steps | Easy Drain
October 5, 2020 - Measure the size of the area and determine if you want to waterproof the shower area or the complete bathroom. It’s recommended to use the L- and U-wall for waterproofing the shower floor and walls. Other waterproofing sets are primarily used for waterproofing the whole bathroom.
Mapei
mapei.com › home page › training › "tech talk" blog › detail
A Beginner’s Guide to Waterproofing Membrane and Shower Floor & Tile Installation with LVT | Mapei
While its individual components are all made to be waterproof on their own, achieving a waterproof shower installation to inhibit water infiltration over the long-term requires the right type of waterproofing membrane. Without a shower floor and shower wall waterproofing membrane, grout joints can gradually absorb water and lead to water damage, putting flooring, drywall, and even wooden wall studs at risk of water damage and mold growth over time.
This Old House
thisoldhouse.com › home › how to use a membrane system to waterproof your shower
How to Use a Membrane System to Waterproof Your Shower - This Old House
A waterproof membrane system creates a barrier between the shower’s structure and the surface of your tiles. This system consists of a flexible, waterproof material that adheres to the walls and floor of the shower enclosure.
Published July 8, 2025
Mica Hardware
mica.co.za › home › how to waterproof a shower
Mica Hardware | How to waterproof a shower
November 14, 2018 - Prime rough, porous surfaces with TAL Floor Primer and smooth dense surfaces with a TAL Floorkey slurry coat (one part TAL Floorkey to two parts tile adhesive powder or 1.5 parts ordinary Portland cement, by volume).
Reddit
reddit.com › r/construction › what is proper shower water proofing?
r/Construction on Reddit: What is proper shower water proofing?
May 17, 2024 -
My contractor put greenboard and red stuff over the screw holes and then will apply thinset directly to the greenboard. Will this really make it waterproof?
Top answer 1 of 46
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The green board is mildew/mold resistant, it's not waterproof. Should have minimum put the redgard on everything. Personally, I always do cement board followed by redgard for shower and bath tiling
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Redgard isn't approved for drywall in showers, just interior dry areas. Do not let them proceed. Redgard Technical Data Sheet What's the shower pan detail? If he's that lazy for the walls I can't imagine the mess for the shower floor
Facebook
facebook.com › groups › 914910123318959 › posts › 1372204447589522
Waterproofing shower area edges with tile?
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Sika
zaf.sika.com › residential and home improvement › step by step diy projects › how to waterproof a shower
How to Waterproof a Shower
The most trusted solution to prevent ... agent, Cemflex®. Cemflex® mixed with Portland cement and water forms an effective waterproofing slurry that is used in conjunction with the Cemflex® membrane....
DCON Group
dconbuild.com.au › residential › do i need to waterproof the entire bathroom or just the shower recess?
Do I Waterproof the Entire Bathroom or Shower Recess?
May 28, 2023 - The entire floor should be waterproofed for the shower area, and the shower walls need waterproofing up to 1800mm.