Menu
Menu
Your Cart

300mm Aluminium Window Sill Extensions WEC 751 (with full end caps - pair) - 2.5m Length.

300mm Aluminium Window Sill Extensions WEC 751 (with full end caps - pair) - 2.5m Length.
Guide Price
300mm Aluminium Window Sill Extensions WEC 751 (with full end caps - pair) - 2.5m Length.
Guide Price: £42.65 (£51.18 inc VAT)
10 or more £39.07 (£46.88 inc VAT)
20 or more £37.96 (£45.55 inc VAT)
30 or more £37.13 (£44.56 inc VAT)
  • Product Code: A1-2764
  • Delivery Time: 1 - 2 days
  • Brand: Wemico
  • (Tech. support: 01562820123)
  • Model and Size: WEC751/275 - 300mm
Our ratings on 21-11-2025:
Google My Business Reviews
4.8 out of 5
Show other widths

300mm Aluminium Window Sill Extensions WEC 751 (with full end caps - pair) - 2.5m Length.

Length: 2500mm
Width: 300mm

300mm Window Sill Extension WEC 751 is suitable for most conditions requiring the weathering of External Wall Insulation Systems and Rendering. Aluminium White Coated with peel-off low tack film to protect the section during transportation and fixing on-site. Jointing pieces to suit any section can be supplied where continuous lengths of flashing are installed, and clips can be supplied to retain the projecting nose of the section if required. Supplied with a pair of full end caps. Gauge 1.2mm

Larger sizes or variations on any of these profiles can be manufactured to your specification, and powder coated to any standard RAL colour.

70mm WEC 791 Verge Trim Upstand Profile - 2.5m length
Guide Price
Brand: Wemico Model and Size: WEC 791 - 70mm
Delivery Time: 1 - 2 days
The WEC 791 profile has an up-stand that can be pushed under a barge board. This reduces the need for a mastic seal and removes future maintenance issues. This profile also has an increased drip section to improve visual appearance and a large front face to help prevent the water blowing up and soak..
Guide Price: £26.27
£31.52 inc VAT
Get Best Price
160mm WEC 771 Verge Trim Profile - 2.5m length
Guide Price
Brand: Wemico Model and Size: WEC 771 - 160m
Delivery Time: 1 - 2 days
160mm WEC 771 Verge Trim Profile is designed for use in situations where sealing the rear of the profile is possible. This profile also has an increased drip section to improve visual appearance and a large front face to help prevent the water blowing up and soaking the insulation.Manufactured in 1...
Guide Price: £29.89
£35.87 inc VAT
Get Best Price
80mm Aluminium Vented Base Track - for timber construction.
Guide Price
Brand: Wemico Model and Size: 90908ST
Delivery Time: 1 - 2 days
80mm box shaped Aluminium Vented base profile for external thermal insulation board, created to match the new regulations that demand different air flow rates within cavities of steel frame and timber frame structures. Connectors and render clips are also available to suit this product.Note: Please ..
Guide Price: £13.41
£16.09 inc VAT
Get Best Price
130mm Soffit Flashing and Window Sill Extensions (with full end caps-pair) - 2.5m Length. 130mm Soffit Flashing and Window Sill Extensions (with full end caps-pair) - 2.5m Length.
Guide Price
Brand: Wemico Model and Size: WEC741/130
Delivery Time: 1 - 2 days
130mm Aluminium Soffit Flashing and Window Sill Extensions suitable for most conditions requiring the weathering of External Wall Insulation Systems and Rendering. Aluminium White Coated with peel-off low tack film to protect the section during transportation and fixing on-site. ..
Guide Price: £29.73
£35.68 inc VAT
Get Best Price
160-220mm Adjustable PVC Base Profile - 2m length (pack of 10)
Guide Price
Brand: Wemico Model and Size: 37522
Delivery Time: 1 - 2 days
160-220mm Adjustable PVC Base Profile for use insulation systems of various thickness for 6mm render depth. 2m length. Render depth 6mm.CHARACTERISTICSAdjustable to suit various insulation sizes,Helps to avoid thermal bridging,Easy to cut and safer to handle.Attached mesh aids render adhesion,Robust..
Guide Price: £285.03
£342.04 inc VAT
Get Best Price
Brand: Wemico Model and Size: 9150
Delivery Time: 1 - 2 days
A box shaped base profile for 300mm thermal insulation board - also available in Stainless Steel. Larger sizes can be made to order. Connectors and render clips are also available to suit this product...
Get Best Price
This product is listed in the following categories and systems (click to show).