Suitable for all under tile wet area applications, on most common substrates. Compatible with a wide range of tile adhesives, primers, screeds and levelling compounds. Apply using a brush or roller.
Suitable for all under tile wet area applications, on most common substrates. Compatible with a wide range of tile adhesives, primers, screeds and levelling compounds. Apply using a brush or roller.
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The lowest price for Bastion 4L Under Tile Membrane right now is $56.60 at Bunnings Warehouse, compared across 2 retailers.
The all-time low was $56.60 on 31 July 2025. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 21 Mar 2026.
Bastion 4L Under Tile Membrane
Suitable for all under tile wet area applications, on most common substrates. Compatible with a wide range of tile adhesives, primers, screeds and levelling compounds. Apply using a brush or roller.
Suitable for all under tile wet area applications, on most common substrates. Compatible with a wide range of tile adhesives, primers, screeds and levelling compounds. Apply using a brush or roller.
Last updated at 21/03/2026 12:58:24
Bastion 4L Under Tile Membrane
Delivery $10
Bastion 4l Under Tile Membrane
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Bastion 4L Under Tile Membrane
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
originally posted on bunnings.com.au
One of the best water proofing product I have ever used.
originally posted on bunnings.com.au
Easygoing to use and good coverage
originally posted on bunnings.com.au
I used this today and is absolutely the worst waterproof membrane I have used. I tried to do the second coat after 1 hour of drying it wad sticking to my boots and knee pads . Will not use this product ever again . Will find sika wpu grey .
Bastion 4L Under Tile Membrane
Delivery $10
Bastion 4l Under Tile Membrane
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Bastion 4L Under Tile Membrane
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
One of the best water proofing product I have ever used.
Easygoing to use and good coverage
I used this today and is absolutely the worst waterproof membrane I have used. I tried to do the second coat after 1 hour of drying it wad sticking to my boots and knee pads . Will not use this product ever again . Will find sika wpu grey .
Bonds well to cement sheeting and has a nice consistency when applying fabric
