Quality Windows, Doors, Bi-Fold Doors and Conservatories to the Trade

Highseal Manufacturing Company

Warmcore Aluminium Inline Patio Doors


Meet the next generation of Aluminium Patio Doors to meet the growing demands for the patio market. Sleek, Stylish and offering flawless operation. The Warmcore patio door utilities the same innovative full-width thermal core technology like our bi-folding doors.

Highseal Manufacturing Company Windows and Doors

Super Smooth 10 Wheel Roller

A unique, high-quality wheel-set with each sash running on 10 self-leveling rollers to give you ultra-smooth reliable performance. 

Innovative Bi-Directional Lock

Designed to our exacting specifications, a bi-directional lock creates a tangible sense of security homeowners love.

Exceptional Thermal Performance

The Warmcore full-width thermal core in the sashes give a double glazed U-value of 1.4 and triple glazed U-value of 1.0 - coupling market-leading thermal performance with the desirability and consumer appeal of aluminium. 


Fair Share Group Limited - Highsealfsg

26 Hebden Road, Scunthorpe, North Lincolnshire, DN15 8DT United Kingdom

Phone Us

+44 (0)1724  859  326

Send a Fax

+44 (0)1724  845  576