Excel Waterproofing was instructed to install a Sika 1 pre bag Waterproofing System to a new basement and existing structure.
The basement end use is to be a wine store, wrapping room and a cinema room. The waterproofing had to comply with BS8102:2009 Grade 3 and with size restraint Excel designed and installed the Sika system.
We carried out bushammering to all surfaces, walls and floors.
All construction joints to wall floor junctions were protected and treated using Sika Combiflex SG. We then applied the three coat Sika 1 pre-bag system, comprising of the Spritz coat and Render Coat, the floor was treated using the Sika Spritz coat followed by the Sika Screed coat.
The 450m2 project was completed within its programme