Riverhead, Seven Oaks, United Kingdom

KÖSTER TPO emerged as the preferred waterproofing solution for this residential extension after a comprehensive Continuing Professional Development (CPD) session with the project architect. Box gutter using KÖSTER TPO Metal Composite sheets were used also. The primary warm roof assembly featured Koster Vapour Barrier FR, PUR rigid insulation, and was capped with mechanically fastened KÖSTER TPO in Slate Grey.