UPVC Windows Scunthorpe

Why Choose Highseal Manufacturing

At Highseal Manufacturing, we’ve been manufacturing UPVC windows in Scunthorpe for over 10 years. Our team have more than 30 years experience in the industry and have always strived to exceed our clients’ expectations.

We offer a range of of UPVC windows to Scunthorpe and the rest of the UK, from vertical sliding sash windows to casement windows, you’re able to find the right style of window to match your property here with us.

We believe that choice is paramount for our customers, which is why we offer 3 woodgrain shades and 13 artisan colour collections and any RAL colour for our range of UPVC windows. Hardware is available in a choice of colours and you can opt for easy-to-use locking mechanisms that feel just right.

Composite Doors Scunthorpe

UPVC Bay Windows

UPVC Casement Windows

UPVC Sliding Sash Windows

UPVC Bow Windows

What Makes Our UPVC Windows Different?

Low Maintenance

UPVC windows will never flake, peel, rust or rot and are relatively maintenance free to keep the ongoing work low going forward.

Designed To Retain Heat

Our standard windows are 28mm thick, double-glazed units for low-e energy rating and thermal efficiency. We also supply a 36mm triple-glazed option.

Built To Last

Glazing beads are fitted internally for extra security and opening frames are fully weather stripped.

Impressive Aesthetics

Our windows have equal frame and bead sight-lines. This coupled with a fully integrated system works perfectly to provide an immaculate finish.

Powerful Performance

A large reinforced 5-chamber system increases thermal performance. Choose from 5 glazing sizes including 24mm, 28mm, 36mm, 40mm and 44m.

Intelligent Design

Drainage paths are carefully positioned for efficient routing and knock-in beads enable speedy installation and easier glazing.

Our team are here to help start your window renovation project

Speak To Our Team

Available Colours

agate grey colour

Agate Grey

basalt grey smooth colour

Basalt Grey Smooth

Buckingham Grey

Chartwell Green

claystone colour


cream colour


Dark Green

Dark Red

flemish gold colour

Flemish Gold

hazy grey finesse colour

Hazy Grey Finesse

honey oak colour

Honey Oak

irish oak colour

Irish Oak

kensington grey colour

Kensington Grey

light oak

Light Oak

Pebble Grey

pyrite colour


slate grey finesse colour

Slate Grey Finesse

steel blue colour

Steel Blue

swamp oak colour

Swamp Oak

White Woodgrain