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.

We are fast approaching our Christmas/New Year closure after what has been a very busy year.
Our closure dates for Christmas/New Year are:

Closed Friday 19th December 2025

and return on Monday 5th January 2026

The team at BIY Construction Supplies wish to thank you for your support and
co-operation throughout this year, and we look forward to an on-going association in the New Year.

Biycell & Biyseal Foam Products

Builders Film & Assoc Products

Tapes & Packaging Products