Our Aluminium Bi-Fold Doors are Thermally Efficient
Our aluminium bi-fold doors offer more than outstanding aesthetics. The strong and sturdy design of each installation means that the frames are weather tight and designed to prevent cold air or rain from penetrating your Hertfordshire home. The glazing used in each product we fit is tested for thermally efficiency and strength for your further peace of mind.
Lessen cold air flow within your property by choosing your aluminium bi-fold doors from Insulating Windows. The sealants we use make the profiles in our double glazing air tight. Even when autumn and winter arrive, your home in Hertfordshire will still feel comfortable. You’ll also notice a reduction in your energy bills – making your purchase an investment.