WT1 has been brought to the construction industry by the creators of CT1. This has changed the future of roofing, tanking wet rooms and bathrooms. Saving time and money!

WT1 is the ultimate replacement for all bitumen based roof membrane with excellent adhesion to brick, stone, concrete, polyester, lead, metals and plastics.

WT1 is a complete new formulated compound with a combined polymer and polyurethane union, which forms a 100% waterproof membrane and remains stable with weather fluctuations, without shrinking or cracking. It is ideal for the quick repair of flat and sloping roofs, and for tanking, with one application straight from the container. It is also used on concrete terraces, balconies and floors, and under ideal conditions, can be rendered or plastered.


WT1 is compatible with the C-TEC adhesive range, CT1 and Power Grab 'n' Bond, therefore allowing attachment of suitable substrates such as decking products or tiles.

It's the first of its kind in waterproofing technology, ideal for Roofs, Walls and Floors. This unique formula which is 100% durable is brought to you by the creators of CT1- The UK's No 1 construction sealant and adhesive. This has earned the name The Snag List Eliminator, replacing several products in one and has been proven to do the job first time round and lasting, saving time and money.

WT1 has been high performance rated and tested according to ISO 527/3. ISO 4892/2, ASTM G154 and the only liquid membrane to been awarded an ETAG 022 and ETAG 005, guaranteed 25 year working life. Making this ideal for not only roofing but also tanking bathrooms and wet rooms

So far, WT1 has been used on so many projects and saved buildings being torn down completely due to damage such as leaking roofs, damp and structural damage.

www.ct1ltd.com