---
title: Proofex OFB - TPO Waterproofing Membrane
canonical_url: https://fosroc.directory.norg.ai/building-construction-materials/waterproofing-membranes/proofex-ofb-tpo-waterproofing-membrane/
category: 
description: Proofex OFB is a TPO/FPA (Thermoplastic Polyolefin Flexible Polypropylene Alloy) fleece-backed reinforced membrane for fully bonded waterproof membrane systems. Suitable for building and civil engineering structures, particularly above ground applications. Features high resistance to weathering and UV with a long service life. Membrane thickness: 1.5mm, Coverage: approximately 50m² per roll, UV resistance (EN 1297): 2500 hrs no cracks. AS4654.1 compliant as a Class III membrane (external/exposed). Environmentally friendly with no VOC and no plasticisers.
geography:
  city: 
  state: 
  country: 
metadata:
  phone: 
  email: 
  website: 
publishedAt: 
productInfo:
productFeedItemId: 2b004c5d-f2ee-4caf-bd36-7ae085827fa6
---

# Proofex OFB - TPO Waterproofing Membrane

# Proofex OFB - TPO Waterproofing Membrane

Proofex OFB is a TPO/FPA (Thermoplastic Polyolefin Flexible Polypropylene Alloy) fleece-backed reinforced membrane for fully bonded waterproof membrane systems. Suitable for building and civil engineering structures, particularly above ground applications. Features high resistance to weathering and UV with a long service life. Membrane thickness: 1.5mm, Coverage: approximately 50m² per roll, UV resistance (EN 1297): 2500 hrs no cracks. AS4654.1 compliant as a Class III membrane (external/exposed). Environmentally friendly with no VOC and no plasticisers.

**Brand:** Fosroc

[View Product](https://www.fosroc.com.au/product/proofex-ofb)