W2200mm x H2100mm Visofold 1000 Black Heritage Bifold Door - 2 sections Opening Direction & Trickle Vents:Open Out - With Trickle Vents (+£40) Outer Frame Size: W2390mm x

Outer Frame Size: W2390mm x H2090mm

British Standard Kitemarked (KM 530838 PAS 24:2012)

Brickwork Opening: W905mm x H2100mm

Q: What does U Value mean

French Door Frame Size: W1190mm x H2100mm

W2200mm x H2100mm Visofold 1000 Black Heritage Bifold Door - 2 sections Opening Direction & Trickle Vents:Open Out - With Trickle Vents (+£40) Outer Frame Size: W2390mm xHeritage Effect Visofold 1000 Bifold Specification Brickwork Opening: W2205mm x H2105mm Outer Frame Size: W2190 x H2090mm Application: Domestic Commercial x2 Astragal Bar to give stunning heritage look Finish: Single Dual colour, marine quality polyester powder coated Profile: Round Lock Mechanism: Ultion (diamond accredited) Cylinder as std. multi point locking Frame depth: 70mm Typical sight line: 132mm Max sash weight: 100kg U Value: 1. 3 1. 8 w mk