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A bifold door that offers premiumperformance at a competitive price is now available from Kawneer.

A folding/slidingdoor that delivers exceptional levels of thermal and weathering performanceat a considerably modest price has been launched by leading architecturalaluminium systems supplier Kawneer.

The AA®3720 uses advanced thermal break technology to deliver the enhancedthermal performance required to meet the stringent requirements of ApprovedDocument L. Integrated polyamide thermal breaks allow for single and dualcolour options while the use of extruded gasket profiles and a drain andventilate strategy enable the system to achieve its weathering performance.

Kawneer's product developmentteam focused on market demands to produce a door offering aesthetic appeal, especiallyslim sightlines (by use of offset rollers), simplified fabrication and patentedfeatures including a concealed door retainer system, to provide a door withmarket-leading appeal and performance.

The AA®3720 folding/sliding door is completing a range of stringentlaboratory tests carried out by a UKAS accredited testing authority whichincludes BS EN 6375-1: 2009, BS EN 6375-2: 2009 and BS EN 1627: 2011.

To provide further performancebenefits, the addition of simple thermal shields divides the thermal chambers furtherto improve performance down to 1.0 W/m²K(using 0.7 W/m²K triple glazing and warm edge technology) with minimaladditional cost or fabrication.

Kawneer's AA®3720 folding/sliding door isavailable in a range of open-in or open-out variations for total flexibility inall applications ranging from private and social housing through retail andleisure to commercial. Panel sizes up to 1200mm x 2930mm* achieve solutions ineven the most demanding environments.

The AA®3720 will also have afloating corner profile to allow uninterrupted opening around corners. In addition,it will be possible to build frames of greater than 6m in length by the use ofan integrated profile connector.

In addition, stainless steelrollers enable smooth and effortless operation while a choice of rebated, lowor sunken threshold options offer continuity between internal and externalspaces, and add further design flexibility. This is further enhanced by the AA®3720 folding/sliding door complementingKawneer's AA®720 window series.


* Dependent upon glass size andweight.

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