Cavity Closer Case Studies


Gentoo case study

Gentoo Homes , Houghton Le Spring, Durham
Zero-carbon development with triple glazed windows positioned over a 300mm wide cavity

Gentoo Homes required a cavity closer and window solution that would help it meet Code for Sustainable Homes Level 6 requirements on two properties in Durham

Bramall construction case study

Bramall, Norfolk
Cavalok help Bramall Construction achive Passivhaus

Sidey, the window fabricator, recommended Cavalok because they knew it had an off-the-shelf solution for Passivhaus and Code for Sustainable Homes up to Level 6 from the work both companies had carried out on a similar project in County Durham..

Minehead eye case study

Diglis Water, Worcester
100mm FlameBlok on site

Cavalok Building Products has recently supplied its new FlameBlok one hour fire rated cavity closer to Taylor Wimpey (Bryant Homes) West Midlands.

Minehead eye case study

Minehead Eye, Somerset
300mm BigBlok on site

Cavalok's BigBlok cavity closer was supplied to help this community project use a 300mm cavity to achieve low carbon status and low U-value construction.

cavalok bigblok 140mm cavity frames

Care Homes, Liskeard, Cornwall
140mm BigBlok on site

Cavalok cavity closers were used by ROK on 55 new-build properties. SAP calculations indicate that the development will exceed Building Regulation thermal performance requirements by 20-30 per cent.

Our Recycling Process

See how we take post consumer waste and recycle it into our sustainable PVC-U Cavity Closer.

Cavalok in action

Browse our case studies to see the Cavalok range in use.