Table of Contents
Is Tanking necessary for shower?
If it is a wet room with a tiled floor and no shower tray then yes it needs tanking. In a nutshell, the tanking process is where tape is applied to the corners and joins and a waterproof coating is painted on. It is not always necessary to tank the floor if a shower tray and enclosure are being installed.
Do shower walls need to be waterproofed?
You should waterproof all the shower walls before tiling. A tile backer or cement board is typically not waterproof, albeit many are water-resistant. The most effective and reliable solution is a separate waterproofing membrane on primed shower walls before tiling.
What happens if you dont tank a shower?
Over time, water is absorbed through the grout joints and adhesive bed, and then into underlying substrates. If the substrate is unprotected, it can lead to damp and mould issues.
Can you tile over tanking?
A tanking slurry, such as BAL Tank-it, is a typical product that can be used to waterproof backgrounds prior to tiling.
What is the best way to waterproof a shower?
In general, liquid waterproof membranes can be applied by homeowners for a simple, quick, and cost-effective way to waterproof your shower. If you are looking for a more robust and longer-term solution, opting for some sheet membrane or foam backer board is probably your best bet.
Should you put plastic behind shower walls?
They are required beneath your shower pan and behind your shower walls. Moisture barriers can be made of polyethylene or a membrane that is rolled directly onto the drywall. No matter what they are made of, without them, your shower is subject to moisture damage.
Do you need tanking under a shower tray?
In areas of moderate exposure, incorporation of a waterproof membrane is required behind tile coverings and below bath or shower trays, particularly where moisture-sensitive substrates are present to protect the structure against moisture penetration.
Does cement board need tanking?
Once HardieBacker has been installed in a wet room you will need to tank the area to ensure the room is fully waterproof. Various methods, such as a liquid membrane (BAL Waterproof Plus Kit, Laticrete Hydro Han) or a matting system (Topps Waterproof Matting) can be used and should be applied before tiling.
How long after tanking can you tile?
Leave the tanking 24hrs to dry before tiling.
Can you tank over plaster?
If the plaster is sound and likely not to shrink or flake off then no problem tank away. I would certainly use tanking matting in all corners and edges. Use the recommended tanking primer, then at least 2 coats of tanking applied with brushstrokes at right angles to each other.
What do you put behind a shower wall?
Install cement board or an equivalent moisture-resistant backing material on walls behind tub and shower enclosures composed of tile or panel assemblies with caulked joints. Don’t use paper-faced backer board, i.e., paper-faced drywall, behind seamed tub and shower enclosures.
Can you put tanking on plasterboard?
Paint on tanking solution. This tanking solution paints overs plaster board, moisture resistant plaster board and other materials leaving a waterproof membrane once dried ready for tiling.