About Us

About Us

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.

Our Team:

Patrick Beausang

CEO and Founder of Passive Sills

Nicole Maverley

Sales and Marketing

Janice O’Leary and Vicky Tammadge


Brian Walsh

Production Manager

Our Guarantee:

  • Complies with All Building Regulations
  • Best for Thermal Efficiency
  • Super Lightweight
  • Quick & Easy Installation
  • Robust & Long Life
  • Best for Manual Handling & Social Distancing
  • Competitive Cost Installed
  • 10 year warranty