• Bi folding doors
• Conservatories
• Double Glazing Installers
• Double Glazing Repairers
• Double Glazing Suppliers
• Established Business
• Fensa registered
• Free Estimates
• Glaziers
• Lifetime guarantee

Business Profile

Sealtight is a family run business with over 40 years experience in windows and conservatories and as one of the North East's leading PVC-U specialists we have the capability to turn your choices into a workable.

About Us

Your new window and door systems can be made more energy-efficient to achieve a BFRC energy rating from C to A (the highest possible rating) depending on the specification you choose, and keep your home warmer and draught-free, as well as saving you money on heating bills.

All our window and door systems comply with building regulations on the conservation of fuel and power, which helps you to do your bit for the environment. They enable you to enjoy peace and quiet too, used with double-glazed sealed units, they can radically reduce outdoor noise levels.

All window and door units fitted by Sealtight Windows will be scrupulously checked to make sure they reach very high security standards, helping make your home really your castle.

Here at Sealtight Windows we professionally fit every door, window unit and conservatory we supply and can offer you a wide choice of frames in a choice of finishes as well as different glazing options to help you get the finished product your home