170mm Aluminium Vented Base Track - for timber construction.
Guide Price
170mm Aluminium Vented Base Track - for timber construction.
Guide Price: £18.89 (£22.67 inc VAT)
- Product Code: A1-4277
- Delivery Time: 1 - 2 days
- Brand: Wemico
- Model and Size: 90917ST
Our ratings on 22-08-2025:

4.8 out of 5
170mm Aluminium Vented Base Track - for timber construction.
Thickness: 0.8mm
Width: 170mm
Length: 2500mm
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 choose for timber frame or steel frame structures.
Ventilation rate per meter length for timber frame is 735.07mm2.
Ventilation rate per meter length for steel frame is 143.14mm2.
Brand: Wemico
Model and Size: 90912ST
Delivery Time: 1 - 2 days
120mm 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:&n..
Guide Price: £15.52
£18.62 inc VAT
Brand: Wemico
Model and Size: WEC 771OT - 50mm
Delivery Time: 1 - 2 days
50mm WEC 771 Verge OverTrim 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..
Guide Price: £19.02
£22.82 inc VAT
Brand: Wemico
Model and Size: WEC 771OT
Delivery Time: 1 - 2 days
100mm WEC 771 Verge OverTrim 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 i..
Guide Price: £24.82
£29.78 inc VAT
Brand: Wemico
Model and Size: WEC731/35
Delivery Time: 1 - 2 days
35mm 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: £23.53
£28.24 inc VAT
Brand: Wemico
Model and Size: WEC731/105
Delivery Time: 1 - 2 days
105mm 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 s..
Guide Price: £30.87
£37.04 inc VAT
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