TRADE Premium XPS Cavity Closer – 50–100mm (Pack of 10)
The
TRADE Premium XPS Cavity Closer is a high-performance solution designed to effectively close cavities around window and door openings in masonry and timber frame constructions. Made from rigid
extruded polystyrene (XPS) insulation, this premium closer provides excellent thermal insulation, helping to eliminate cold bridging and improve the overall energy efficiency of your build.
Each length is lightweight, easy to handle, and simple to cut to size, making installation quick and efficient. The adjustable profile suits cavity widths from
50mm to 100mm, providing a versatile fit for a wide range of applications.
Ideal for both new builds and refurbishments, the TRADE Premium XPS Cavity Closer offers a neat, durable, and thermally efficient finish around window and door reveals — ensuring compliance with building regulations and long-lasting performance.
Product Features
Manufactured from
high-quality extruded polystyrene (XPS) for superior insulation.
Adjustable width (50–100mm) for versatile installation.
Prevents
cold bridging around window and door openings.
Lightweight and easy to install – simply cut to fit.
Suitable for both
masonry and timber frame constructions.
Supplied in a
pack of 10 lengths for convenience and value.
Typical Applications
Closing cavities around window and door openings.
Use in masonry and timber frame walls.
Ideal for new build and retrofit insulation projects.
Ensures compliance with thermal performance and building regulations.
Technical Information
Material: Extruded Polystyrene (XPS)
Adjustable Cavity Range: 50–100mm
Pack Quantity: 10 lengths
Application: Cavity closure for window and door reveals
Installation Tips
Cut the cavity closer to the required length and fit it snugly into the cavity around window or door openings. Ensure the closer is flush with the outer face of the wall before fixing. Always follow the manufacturer’s installation guidelines for best results.
FAQs
What does a cavity closer do?
A cavity closer seals the cavity around window and door openings, preventing cold bridging, moisture ingress, and air leakage — helping to improve the building’s energy efficiency.
Can this cavity closer be used in both masonry and timber frame walls?
Yes. The TRADE Premium XPS Cavity Closer is suitable for both masonry and timber frame construction, making it a versatile choice for a variety of building projects.
What cavity sizes does this product fit?
This adjustable model fits cavity widths from
50mm to 100mm, providing flexibility across different wall designs.
How many lengths come in a pack?
Each pack contains
10 lengths of TRADE Premium XPS Cavity Closer, offering great value for professional and large-scale installations.
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