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Brick Superstore£23.70Visit shop Siteworx Cream Foam Expansion Joint Filler 10Mm X 150Mm X 10M
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The SITEWORX Foam Expansion Joint Filler is designed for professional builders and DIY enthusiasts seeking a reliable solution for managing thermal movement in construction projects. Its primary benefit is its low moisture absorption, which ensures long-term structural integrity and prevents water ingress in brickwork and blockwork joints; however, users should note that the filler must be installed with precision as it is not designed to be a load-bearing material.
| Colour | Cream |
|---|---|
| Model Part Number | SEC102 |
| Brand | Siteworx |
It is not technically waterproof, but it has very low moisture absorption due to its closed-cell polyethylene structure, making it highly suitable for outdoor construction environments.
Yes, it is suitable for both internal and external brickwork or blockwork expansion joints.
Yes, it is recommended to apply a compatible joint sealant over the filler to protect it from UV light and provide a finished, weather-tight seal.
A standard sharp utility knife or a pair of robust household scissors will easily cut the polyethylene foam.
While the material is durable, it is best practice to cover it with a sealant to protect it from long-term UV degradation.
Ensure all loose mortar and obstructions are removed from the joint cavity; if the gap is too narrow, check that no excess mortar has fallen into the joint.
Verify that the filler has been pushed in to a consistent depth and that it is not being compressed beyond its intended capacity.
Installation is straightforward and requires only basic hand tools. Ensure the expansion gap is clear of mortar debris and dust before insertion to ensure the filler sits flush. The foam can be cut to length using a sharp utility knife or heavy-duty scissors. For deeper joints, ensure the filler is positioned at the correct depth to allow for the recommended bead thickness of your chosen sealant. Store the roll in a cool, dry place away from direct sunlight to maintain the integrity of the polyethylene foam until use. Avoid dragging the material over sharp, jagged masonry edges during installation to prevent tearing.
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