No, you shouldn’t use Celotex as a cavity closer. Celotex is designed for insulation, not to seal the cavity around windows and doors in masonry walls. Cavity closers serve to prevent heat loss, improve fire safety and minimise moisture ingress. For correct installation techniques and compliance with regulations, choose purpose-built materials like uPVC and EPS. […]
Regardless of the type of project you’re working on, ensuring that your windows fit perfectly and perform as they should is essential. It’s not just about meeting building regulations – although that’s important too – but about creating a home that’s comfortable, energy-efficient and built to last. There are two key components that make a […]