GRM Windows has grown to become one of South Wales most experienced and trusted fabricators of quality PVCu Windows, Doors, Panels and Conservatories to both trade and homeowners alike.
Kolorseal is a professional colour coating company prodominently to the UPVC industry, colour coating windows, doors conservatories, fascia's, gutter etc. Kolorseal colours products for window/roofline manufacturers, suppliers and installers across the UK. We also offer a supply & colour service.
We are the leading façade construction company in the Netherlands, with aluminium, uPVC, steel, maintenance and export divisions. We provide façades for high and low construction, renovation and new construction for residential and utility construction projects.
We are one of the most dynamic international window profile systems manufacturers and are now among top ranked in Europe. Nearly 1,650 employees are involved in the development, extrusion and sales of window and door systems throughout the world.