The Alitherm 400 Door Range

Alitherm 400 doors perfectly complement the window range, with the same stylish lines and providing the same ease of fabrication and installation.

Available as open-in or open-out, single or double doors, the system provides excellent weather and thermal performance, as well as the security assurance provided by PAS 24:2016 accreditation. Security options include a choice of key wind, lift lever or slam lock multipoint locks.

Our handsome range of entrance doors will impress your guests and keep out both the elements and unwelcome intruders. Our Alitherm doors are designed for use as open out or open in, single or double doors, internally beaded with side-light and low threshold options.

Elegant, yet strong and durable Alitherm doors enhance the beauty of your home, keep in the warmth and let in more light because of the slim sightlines.

Peace of mind is ensured by the enhanced security provided by a multi-point locking system and high security cylinder.

Our stylish range of entrance doors will impress.

Download our Brochure to see the full range of designs available...

Alitherm 400 Doors

Alitherm 400 Doors

Alitherm 400 Doors
Application Commercial / Domestic
Finish  Single / dual colour, marine quality polyester powder coated
Profile Square
Security  Ultion (diamond accredited) Cylinder as standard - multi-point locking
Profile Width 70mm
Max sash weight  100kg
U Value  1.4 w/m²k 
Single Door Max Width (mm) 1100mm
Single Door Max Height (mm) 2400mm
Double Door Max Width (mm) 2200mm
Double Door Max Height (mm) 2400mm
BSA Awards  BS 6375-1:2009 PAS 24:2016
Glazing  DG 28mm / TP 36mm 
Add ons 20mm, 42mm
Bead Internal
Cills 85mm, 150mm, 190mm, 225mm, 300mm