some items are excluded from next day delivery
Achieve a clean, hygienic and long-lasting seal with Sika Forever Grey Silicone Sealant 295ml – a premium sanitary silicone sealant engineered for high-humidity environments such as bathrooms, kitchens and wet rooms.
Formulated with advanced Mould Shield® technology, this high-performance sealant actively resists mould, mildew and bacteria, helping maintain a fresh, clean appearance for up to 10 years under simulated ageing conditions.
Unlike standard silicones, Sika Forever Grey delivers a permanently waterproof and highly flexible seal, ensuring it won’t crack, shrink or fail over time—even in areas exposed to constant moisture and temperature changes.
Sika Forever Grey is specifically designed for sanitary sealing in high-moisture environments:
It’s widely used by plumbers, installers, decorators and DIYers for reliable, hygienic sealing.
This silicone sealant adheres effectively to:
Its neutral cure formulation ensures safe use on sensitive surfaces without damage.
Compared to standard bathroom silicones, Sika Forever Grey offers:
This makes it a go-to choice for high-end bathroom and kitchen installations where durability matters.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.