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
- Model and Size: WEC751/275 - 300mm
Our ratings on 17-09-2025:

4.8 out of 5
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.
Brand: Wemico
Model and Size: WEC731/45
Delivery Time: 1 - 2 days
45mm Undersill Flashing and Window Sill Extension 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 su..
Guide Price: £23.61
£28.33 inc VAT
Brand: Wemico
Model and Size: 90905S
Delivery Time: 1 - 2 days
50mm 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: £15.16
£18.19 inc VAT
Brand: Wemico
Model and Size: 37500
Delivery Time: 1 - 2 days
6mm PVC base profile for use between DPC and insulation systems. Available in a range of widths and render thicknesses. Can also be used in conjunction with a PVC angle section as a 2 part base starter track. Please contact us for details...
Guide Price: £216.78
£260.14 inc VAT
Brand: Wemico
Model and Size: 90604
Delivery Time: 1 - 2 days
A box shaped base profile for 40mm 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...
£6.22
£7.46 inc VAT
Brand: Wemico
Model and Size: WEC731/265
Delivery Time: 1 - 2 days
265mm Undersill Flashing and Window Sill Extension 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 a..
Guide Price: £41.60
£49.92 inc VAT
Brand: Wemico
Model and Size: 37929 - 2.6m
Delivery Time: 1 - 2 days
9mm Frameseal Bead with Protecting Lip and Mesh length of 2.6m, article 37929 for plaster thickness 9mm. Made with Rigid PVC with soft PVC and glass fibre mesh...