Our Products

“I was really impressed with the support provided by the GRM Windows team and also how well the REHAU windows fit with what we were after." - Ryan Davies, Managing Director of Llanerch Vineyard

10 good reasons why you should choose GRM for your windows and door requirements

1 - REHAU AUTHORISED PARTNER
2 - FULL NETWORK OF HIGH CALIBRE INSTALLERS
3 - THERMAL EFFICIENT PRODUCTS
4 - CONTEMPORARY DESIGN
5 - RECOMMENDED BY TRADE

6 - EXPERT ENGINEERING
7 - PASSIVHAUS CERTIFIED RANGE
8 - WIDE RANGE OF COLOURS
9 - PRODUCT INNOVATION
10 - LOW MAINTENANCE PRODUCTS