Collection: Home page
How it works...
![How Grate Seal Works](http://grateseal.com.au/cdn/shop/t/1/assets/how-grate-seal-works-1.png?v=157799557882597996331534685299)
Grate Seal® is a Watermark™ approved, specially designed rubber, one-way valve, which uses a friction seal to hold fast in place while still achieving flow rates that more than cope with the maximum allowable flows from plumbing fixtures such as showers.
![How Grate Seal Works](http://grateseal.com.au/cdn/shop/t/1/assets/how-grate-seal-works-2.png?v=149220035205193949601534685314)
Designed with world wide application, there is a Grate Seal® to suit you! Available in 2 inch/50mm, 3 inch/80mm and 4 inch/100mm variants, Grate Seal® takes only minutes to install and requires no modification of your existing drain or floor waste.
![How Grate Seal Works](http://grateseal.com.au/cdn/shop/t/1/assets/how-grate-seal-works-3.png?v=71343411032607319301534685323)
The Grate Seal® is specifically designed to stop sewer smells and hazardous odours, disease carrying airborne mould and bacteria, vermin and cockroaches, sewer back-wash, suds and even noise coming from drains into habitable areas.
Made from a flexible, antimicrobial polymer, Grate Seal® is a permanent and maintenance free, one-way valve that is easily retro-fitted into drains and floor wastes.
- Sewer smells and hazardous odours
- Disease carrying airborne mould and bacteria
- Vermin and cockroaches
- Sewer back-wash
- Suds
- Even noise coming from drains into habitable areas