Poly Passive Mouldings is the leading specialist provider of Super Lightweight, Thermally Efficient, & Cost effective Window Sills, Oversills, and Insulated Thresholds Compliant with all Building Regulations & Energy Efficiency Standards. We Design, Fabricate & Supply our products to Commercial & Residential Projects Internationally from our Modern HQ & Manufacturing Facilities in Ireland. Our Products are recommended by leading Architects, Engineers & Construction Professionals. Our Products are used by Construction Developers, Building Firms & Local Authorities in Private and Social Public Housing as well as Commercial Developments. For Home Energy Efficiency Improvement whether you are self-building or a small contractor your project will be future proofed when you include our Products in your project.