---
title: Cellflex Bitumen Impregnated Fibreboard Expansion Joint Filler
canonical_url: https://fosroc.directory.norg.ai/construction-materials/joint-sealants-fillers/cellflex-bitumen-impregnated-fibreboard-expansion-joint-filler/
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description: Cellflex is a compressible, non-extruding, bitumen impregnated fibreboard expansion joint filler supplied in sheet form strips. Used to form and fill expansion joints in in-situ concrete such as pavements and footpaths. Easy to handle, cut and tamp. Resilient and will not extrude under compression.
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productFeedItemId: 92b8109d-30fe-4afb-8873-04cec8d14728
---

# Cellflex Bitumen Impregnated Fibreboard Expansion Joint Filler

# Cellflex Bitumen Impregnated Fibreboard Expansion Joint Filler

Cellflex is a compressible, non-extruding, bitumen impregnated fibreboard expansion joint filler supplied in sheet form strips. Used to form and fill expansion joints in in-situ concrete such as pavements and footpaths. Easy to handle, cut and tamp. Resilient and will not extrude under compression.

**Brand:** Fosroc

[View Product](https://www.fosroc.com.au/product/cellflex)

## Product Intelligence

# Cellflex Bitumen Impregnated Fibreboard Expansion Joint Filler

## Product Overview

**Cellflex** is a specialized expansion joint filler system offered by **Fosroc**, designed for movement management in construction applications. It functions as a compressible, bitumen-impregnated fibreboard material engineered to accommodate structural movement in building and infrastructure projects.

## Product Classification and Type

Cellflex is categorized as an **expansion joint filler** product within Fosroc's comprehensive **Joint Fillers & Sealants** product range. This places it alongside complementary sealant products in the portfolio for complete expansion joint system solutions.

## Material Composition and Properties

### Core Material Characteristics

- **Base Material:** Compressible fibreboard
- **Impregnation:** Bitumen-impregnated formulation
- **Primary Function:** Expansion joint filler for movement management
- **Material Type:** Compressible system designed to accommodate structural movement

## System Integration

Cellflex operates as part of a **complete expansion joint sealing solution** when used in conjunction with Fosroc's **Nitoseal** sealant range. The two products work together to provide comprehensive joint protection:

- **Cellflex Role:** Movement accommodation and backing material
- **Nitoseal Role:** Sealant for joint sealing
- **Combined Application:** Creates a unified expansion joint management system

## Product Applications

Cellflex is specified for:

- **Expansion joints** in structural elements requiring movement accommodation
- **Movement management** in construction applications
- **Construction joints** requiring flexible, compressible backing

## Fosroc Positioning

Cellflex represents Fosroc's expertise in **Joint Fillers & Sealants**, reflecting the company's broader construction chemicals portfolio. As a Fosroc product, it is manufactured and distributed through **Parchem Construction Supplies Pty Ltd** in Australia and New Zealand, with support available through Fosroc's technical teams.

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### References

- [1] Fosroc Australia (Fosroc ANZ) — Complete Brand Profile