Alitherm Plus Doors

The Alitherm Residential Door takes its place alongside the Alitherm 47 Door, giving the option of a robust performance, domestic entrance door and an alternative to the Visoline light commercial door.

Fabricator & Fitter friendly; the new Alitherm Residential door is designed to be easier to manufacture and install. New adjustable hinges, lock keeps and additional sash passing clearance allow for greater on-site fitting tolerances.

• New adjustable hinges and lock keeps
• Single & double doors use multi-point locking mechanisms
• Double doors feature dual lock mechanisms enabling handles on both sashes
• Door sections & hinges are designed with added strength delivering robust performance
• Internally beaded for open in and open out doors
• Profiles are contemporarily styled with a modern, square-edge design
• Low thresholds comply with Document M building legislation
• Z/T sash sections allow for greater coverage and weather resistance
• Tested in accordance with the requirements of BS 6375 Pt1 and achieved the following classification for weather tightness
• Air Permeability 600pa
• Water Tightness 600pa
• Wind Resistance 1200pa