Our Aluminium Heritage French Doors add a modern design to a traditional heritage style delivering a super stylish finish to your project.Available in anthracite grey or black they are available in a range of sizes with stylish Sidescreens in larger door openings to allow maximum amount of natural light into your room without affecting the temperature due to their low U-value of just 1.4.Heritage doors open outwards with the aluminium finish not only being cost-effective but offering an elegant appearance.Supplied with 150mm sill with low level threshold, Black handles, and ultra slim frame to allow light to flood through into the building meaning a real touch of class can be added to your home or extension.All doors are provided ready for installation (including hardware), with separate glazing to allow ease of fitting upon delivery.andnbsp;Specification:28mm double glazed toughened sealed units - 4mm clear Toughened/ 20mm War Edge Spacer Black, Argon Filled/ 4mm Low and#039;Eand#039;