Welcome to Cavalok Building Products, market leading cavity closer, headvent trickle ventilation and cavity barrier specialists.

Cavalok cavity closers are probably the most widely used cavity closer system in the UK. Our building products will help you save time, cost and energy!

Cavalok are the leading cavity closer specialists and pioneers in frame-forming cavity closers (also know as cavity closures). We meet the demand for easy to use cavity closures for the construction industry with products for wall cavities from 50 - 300mm. Our innovative products are designed to meet the latest building regulations and have been used in Code for Sustainable Homes Level 6 new build housing projects.

The Cavalok HeadVent is also one of our most widely used products. The simple, slimline, trickle vent carrying system is the fenestration industry's choice for over-frame trickle ventilation helping you meet Part F regulations.

Our broad product range also includes fire rated product such as the Cavalok FireSok cavity barrier with one hour of tested fire resistance.

We are here to guide you through our range - please do get in touch.