Enhance your projects with our professional draught-proofing and window overhaul service, designed to eliminate cold draughts, reduce noise, and improve energy efficiency. This service is ideal for contractors and businesses seeking a high-quality solution to upgrade windows and ensure long-lasting performance in their builds.
We exclusively use the Schlegel Draught Seal QL4870 for all our Dulwich sash windows. This premium weather seal is renowned for its exceptional durability and performance, providing a superior seal compared to inferior brush piles. The QL4870 ensures smooth operation and enhanced insulation, making it an ideal choice for both new builds and renovation projects.