Dowsil™ 791 is a one-part neutral silicone for weather sealing.

It is used for both commercial and domestic applications, and provides excellent adhesion to most exterior substrates. It has excellent weathering characteristics, including resistance to ozone, UV radiation and temperature extremes.

It has a 20-30 minute working time and it is tack-free in 30 minutes.

Conforms to ISO 11600-25LM and also meets ISO specification 9047 class 50.
Highly flexible with a joint movement capacity ± 50% and an application temperature range -25 to +50°C

Dowsil™ 791T Silicone Sealant, Translucent

Delivery

We aim to dispatch all orders placed by 1pm the same day.

We offer 2 delivery services:

Standard 3-5 working day - £5.95

Next Working Day - £7.99

Please note that some items on our site do come direct from the supplier and may not be available on Next Day Delivery.

Collection

We offer a click and click service from our Dundee Depot.

We aim to have orders ready to collect within 24 hours. Please note that this may not be possible if the item is not held in stock and needs to come on from the supplier.