Ventrolla Brochure | Renovation & Double Glazing

High performance timber sash windows Ventrolla's range of window energy-saving measures includes replacement timber double-glazed sashes that, in conjunction with their unique Ventrolla Perimeter Sealing System (VPSS), deliver a combination of high performance, comfort and style, without compromising on the classic period aesthetic of your heritage building. Find out more about our double glazing specifications in our helpful brochure.