A large part of what we do here at GAP is serving the window fitting trade. For many years we have brought a wide variety of products to market to help install windows and doors professionally and efficiently.

Whatever window systems you specialise in, we have the accessories to match from window trims and window boards to reveal liners and cills

External Window Cill

Delivery & ServiceWeather you’re a fitter or a fabricator we have over 50 different types and colours of external cills to suit your requirements with a variety of bed sizes to suit your frame. Included in the range are the stylish and effective Stubcill and Dropnose range which have become increasingly popular.

Please contact one of our depots to find out more information regarding the specialist service we offer fabricators.

Delivery & ServiceBettaboard Internal Window Cill

Bettaboard from GAP has massively improved over the years to provide a quality product that is easy to fit. Internal cills bridge the cavity to provide a clean finish over the top of the internal wall.

  • Woodgrain price same as white
  • Moisture resistant
  • Scratch resistant
  • Suitable for bay windows
  • 10 year guarantee
  • High pressure laminate, far stronger than melamine
  • Back edge and underside sealed to prevent water ingress
  • Available up to 900mm
  • Burn Resistant

Bettaboard is available in comprehensive range of colours and sizes.

Window Trims

PVC-U architraves, quadrants, rectangles and d-sections provide the perfect finish for any installed windows and doors. All window trims from GAP can also be coloured matched to suit your profile.

Delivery & ServiceFixings

You will find everything you need from GAP for installing windows and door including packers, fixings and double sided tape. To help speed up installations GAP has introduced Direct Frame Anchors which provide 50% quicker screw insertion and are far easier and more cost effective to use than standard frame anchors