Thresholds & Cills

Our external cills are available in a variety of sizes and colours to match a broad selection of windows and doors. Our cills are made of strong multi-chambered PVCu profiles.

You can also select from a range of low and standard threshold options for your PVCu doors.

Window & Door Cills

Our cills are available in widths of

  • 85mm
  • 150mm
  • 180mm
  • 225 mm

Our cill selection can be completed with a wide range of finishing trims in foam and rigid options, respectively.

Cill Extender

Our cill extenders allow you to extend cills of

  • 85mm to 130mm
  • 125mm to 170mm
  • 150mm to 195mm
  • 180mm to 225mm
  • 225mm to 270mm

Cill Accessories

We offer a wide range of matching end caps and cill repair covers, as well as angle joints and reinforcements, among others.

Door Thresholds

For PVCu doors, you can select from a range of threshold options, including low aluminium, and standard PVCu frame or low PVCu frame thresholds.

Low threshold is a maximum of 15mm to meet the requirements of Part M of the Building Regulations. This threshold is fully tested to BS 6375 and PAS 24 standards, both on residential and French doors.

Extended Door Threshold Ramps

We offer an extended door threshold ramp system for residential entrance and French doors. The system is available for both inward and outward opening doors and is specifically useful in case of check reveal installations and for doors which are installed up to a maximum of 40mm into the cavity.

The ramps are made of strong and durable silver anodized aluminium, and are manufactured in compliance with Part M regulations and Equality Act 2010.