W4500mm x H2100mm Visofold 1000 Heritage Black Aluminium Compliant Bifold - 4 Section Contemporary High Quality rooflights Designed for those who appreciate

Designed for those who appreciate premium quality and timeless aesthetics

including dual colours and woodgrain finishes

Locking Cylinder & Keys

Sightline: 77mm

Q: What is the U-value of this window

W4500mm x H2100mm Visofold 1000 Heritage Black Aluminium Compliant Bifold - 4 Section Contemporary High Quality rooflights Designed for those who appreciateSmart Compliant Visofold 1000 The Smart Visofold 1000 Compliant Heritage Bifold Door is designed to meet the highest building regulation standards, featuring an upgraded Part L energy efficiency rating with a U value of 1. 6 W mK to reduce heat loss and improve thermal performance. It also incorporates a flush sash vent to fully comply with Part F ventilation requirements, ensuring effective airflow without compromising the doors sleek appearance.