Cavity Closers

Cavity Closer

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Cavity Closer

Suitability for both flush and checked reveals

Fully welded or mechanically jointed at the corners

0.45m²K/W is achieved without the need for insulation

Achieves ACD requirement for a minimum thermal resistance

Made entirely of recycled PVC & simple to recycle again

Sheerframe Certass ISO9001

Cavity Closer Price Table

Prices shown are ex VAT & Supply only.

Product Specification:

100mm Cavity Size A13

Prices include EPS insert

Fully assembled and braced

Aperture SizePrice Ex VAT
600mm Wide x 1200mm High£24.68
1200mm Wide x 1200mm High£28.36
1800mm Wide x 1200mm High£32.04
900mm Wide x 2100mm High£35.02
1800mm Wide x 2100mm High£40.54

Energy Efficient & Environmentally Friendly

Lead Free double glazing Ferndown

Lead Free

Our windows & doors are 100% lead free. The dangers of lead are well known and we are extremely proud to supply one of the few window systems to offer an entirely lead free range of products.

recyclable uPVC Ferndown


Our uPVC profiles are extremely robust and do not need expensive steel reinforcement. They are therefore 100% recyclable making them a truly environmentally friendly product.

uPVC Ferndown

Low Carbon Footprint

The uPVC profile that we supply will reduce the amount of energy needed to heat a property, lowering CO2 emissions by approximately 2/3 of a tonne (680kg) each year.

energy efficient uPVC Ferndown

Energy Saving Trust

Our uPVC windows and doors are endorsed to display the "Energy Saving Recommend" logo. Only products that meet strict energy efficiency criteria are eligible to display this label.




Technical Specifications


Cavity Closer Technical Specifications


Technical Specifications

Guides & Technical Support

Get in contact for technical support, how-to guides and quotations. Our team are happy to help.


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Areas We Cover

We cover areas throughout the South of England including Hampshire, Dorset, Devon, Somerset, Wiltshire, Gloucestershire, Surrey, Sussex, Berkshire, Oxfordshire, Buckinghamshire, Hertfordshire, Kent and London.

Wherever you are based, we will always try to help so get in touch today for a free trade double glazing quote.


Southampton, Winchester, Eastleigh, Portsmouth, Chandlers Ford, Fareham, Basingstoke, Fleet and throughout Hampshire.

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