WELCOME TO BiY CONSTRUCTION SUPPLIES
BIY Construction Supplies is a leading Australian company specializing in the manufacture and distribution of high-quality waterproof foams. Our product range includes bitumen and acrylic impregnated Polyurethanes, closed cell PE and EPDM foams, open-cell Polyurethanes, and self-extinguishing foams, designed for applications such as expansion joints, roofing solutions and sealing applications.
Beyond manufacturing, we are a trusted supplier of a diverse range of building and packaging materials, including Builder’s Films, Polythene and Bitumen Dampcourses, Oxides, Bar Chairs, Stretch Films, and Tapes. Our commitment to quality and reliability makes us a preferred partner in the construction and packaging industries.
Supplies – Sales – Service. Contact BiY Construction Supplies today.
Closed Friday 19th December 2025
and return on Monday 5th January 2026
Our commitment to quality and timely service has been instrumental in our growth over the past 40 + years.
With the support of our loyal customers, BIY Construction Supplies continues to thrive as a trusted industry leader.
