01268 571571

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Alternative Names:
Miothene, Joint filler, Foam Filler

Quick Overview

Please note: 12mm are in 10mtr rolls. All other thicknesses are in 2mtr pieces.

Code Product Name Price Qty

12mm Expansionthene (2000mm x 1000mm)

20mm Expansionthene (2000mm x 1200mm)

25mm Expansionthene (2000mm x 1200mm)

12mm Expansionthene (10000mm x 100mm)

12mm Expansionthene (10000mm x 150mm)

12mm Expansionthene (10000mm x 200mm)

20mm Expansionthene (2000mm x 150mm)

20mm Expansionthene (2000mm x 200mm)

Discounts for larger quantities!

We provide competitive discounts for bulk orders.

Please contact us by either email at sales@lemon-gs.co.uk or call 01268 571571 and we will calculate your unique discount for larger quantities.


Expansionthene is a closed cell expanded polyethylene foam fillerboard that is tough and versatile which provides a rot proof, non absorbent, and non extruding fillerboard. It has low load transfer properties and is resistant to attack from most acids and alkalis.

Expansionthene is supplied in sheets or strip form where the outer edge in undercut to allow for easy removal prior to sealing. Uses include isolation joints between slab and walls around columns and brickwork expansion joints.

Additional Information

Material Polyethylene Foam

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  1. User friendly product review by Danielle
    Product Rating

    User friendly product, but we prefer to use Wood Fibre Fillerboard.

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