The former is suitable for cavity sizes of 75 mm – 150mm (130mm for check reveal) and will accept both 63mm – 70mm PVC-U systems.
The former is placed in situ and the brick and blockwork built around. The windows and doors can be fitted at a later point in the building construction, reducing the potential for damage.
The Spectus former has BBA approval. It meets the NHBC standards and offers the thermal and energy efficiency performance required for compliance with the Accredited Construction Details of Part L of the Building Regulations.
For quotations, product information or technical support please call us on 01773 590100, fax 01773 590200 or email firstname.lastname@example.org