285mm Undersill Flashing and Window Sill Extensions (with full end caps-pair) - length up to 2.5m



Guide Price



285mm Undersill Flashing and Window Sill Extensions (with full end caps-pair) - length up to 2.5m
Guide Price: £43.26 (£51.91 inc VAT)
10 or more £42.36 (£50.83 inc VAT)
20 or more £41.78 (£50.14 inc VAT)
30 or more £40.25 (£48.30 inc VAT)
- Product Code: A1-2301
- Delivery Time: 1 - 2 days
- Brand: Wemico (Tech. support: 01562820123)
- Model: WEC731/285
Our ratings on 23-10-2026:

4.8 out of 5
285mm Undersill Flashing and Window Sill Extensions (with full end caps-pair) - length up to 2.5m
Length: 2500mm
Width: 310mm
dim 'A': 285mm
285mm 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: 37404 6mm
Delivery Time: 1 - 2 days
6mm render thickness PVC clips with mesh wing designed to suit base profiles. Also available in aluminium and stainless steel, please contact us for more details...
£7.68
£9.22 inc VAT
Brand: Wemico
Model: 90814
Delivery Time: 2 - 3 working days
A box shaped base profile for 140mm 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...
£17.04
£20.45 inc VAT
Brand: Wemico
Model: 9150
Delivery Time: 1 - 2 days
A box shaped base profile for 290mm 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...
Brand: Wemico
Model: WEC 781 - 90mm
Delivery Time: 1 - 2 days
The WEC 781 Grind in Verge Trim Profile is designed for use in situations where there are problems sealing the rear of the profile. It is also a cost effective way to seal the system instead of increasing the roof line. This profile also has an increased drip section to improve visual appearance and..
Guide Price: £33.34
£40.01 inc VAT
Brand: Wemico
Model: WEC731/195
Delivery Time: 1 - 2 days
195mm 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: £35.41
£42.49 inc VAT
Brand: Wemico
Model: P4
Delivery Time: 1 - 2 days
4mm PVC Render Stop Bead is used on door and window openings also at base of wall and ceiling level. It is designed to deliver a clean edge, protect and finish plaster and render edges. 25mm Wing..
£42.80
£51.36 inc VAT