Direct Finds Direct Replacement

Direct Trade Windows has added the Smart Alitherm heritage range to its portfolio which is designed to function as a direct replacement for steel windows.

Using polyamide thermal break technology, Alitherm heritage profiles create a barrier between the cold air outside and the warm air inside, significantly reducing thermal transmittance and enhancing the overall U-value, while also meeting current building regulations.


 “Despite the challenges faced across the industry, our products and services have been in high demand and we’ve managed to maintain service levels across the board.”

– AJ Hassanali 

Director, Direct Trade Windows



Direct Trade Windows supplies Alitherm heritage windows in either fixed, tilt & turn, side hung or top hung open out casement configurations.

Alitherm heritage doors are available in both single and double door configurations, offer very slim sightlines and are equipped with multi-point locking and face mounted shoot bolts.



Both Alitherm heritage windows and doors are security tested to PAS24:2016, and come with a wide range of heritage and Art Deco hardware options.



The range is also available in a choice of standard or non-standard colours, including metallic, dual colour and alchemy anodised finishes.  


Picture: Direct Trade Windows now provides Alitherm heritage windows and doors.

Article written by Cathryn Ellis
16th January 2023


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