Dowsil™ Firestop 400 is an intumescent acrylic sealant for internal applications. Developed to maintain the integrity of fire walls or partitions, it does not emit halogenated by-products under fire conditions. Resists mildew and mould growth.

Tested to BS 476 Part 22: 1987 and BS 476 Part 7: 1987. A 2 hour fire rating can be achieved.

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.