Place your orders by phone or email by 4pm and we will have the order available for collection for 6.30am the following morning.

Just 2 minutes from the M25 Jct14, you can get your day started right by stopping @ SL3 0HJ to collect your materials needed for the day.

"One of the best tape measures I have ever used" - some guy

We offer a free, next day delivery service on all stock items, which all comes from our large warehouse near Heathrow.

KNAUF DRITHERM 37 CAVITY BATT

DriTherm® Cavity Slabs are water-repellent Glass Mineral Wool slabs, designed for use in external full-fill masonry cavity walls, offering a range of thermal performance to suit construction requirements. 

They are non-combustible with the best possible Euroclass A1 reaction to fire classification

50mm
75mm
100mm