275mm Undersill Flashing and Window Sill Extensions (with full end caps-pair) - length up to 2.5m



Guide Price



275mm Undersill Flashing and Window Sill Extensions (with full end caps-pair) - length up to 2.5m
Guide Price: £41.60 (£49.92 inc VAT)
10 or more £40.73 (£48.88 inc VAT)
20 or more £40.17 (£48.20 inc VAT)
30 or more £38.70 (£46.44 inc VAT)
- Product Code: A1-2300
- Delivery Time: 1 - 2 days
- Brand: Wemico
- Model and Size: WEC731/275
Our ratings on 15-09-2025:

4.8 out of 5
275mm Undersill Flashing and Window Sill Extensions (with full end caps-pair) - length up to 2.5m
Length: 2500mm
Width: 300mm
275mm 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 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. 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: 90816
Delivery Time: 2 - 3 working days
A box shaped base profile for 160mm 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.We sell this product individually. Please contact us to get prices...
£16.67
£20.00 inc VAT
Brand: Wemico
Model and Size: WEC731/305
Delivery Time: 1 - 2 days
305mm 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: D10
Delivery Time: 1 - 2 days
10mm PVC Drip Beads are designed for various rendering applications and external wall insulation providing impact and rainwater protection, installed above the damp proof courses or window and door reveals. Their main function is to provide a drip for rainwater and prevent return of the water o..
£2.00
£2.40 inc VAT
Brand: Wemico
Model and Size: WEC 791 - 150mm
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: £37.80
£45.36 inc VAT
Brand: Wemico
Model and Size: 90911S
Delivery Time: 1 - 2 days
110mm 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: £18.33
£22.00 inc VAT
Brand: Wemico
Model and Size: 90917S
Delivery Time: 1 - 2 days
170mm 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: £24.50
£29.40 inc VAT