VELUX Twin and Combination Flashings 78x98cm EBP MK04 0021B

Key features

• FSC-certified birch plywood construction ensures sustainable sourcing and environmental responsibility
• 4mm thickness provides structural integrity and reliable watertight performance
• Boron-based preservative treatment resists rot and insect damage in external conditions
• Accommodates lengths up to 9 metres for flexible installation across standard and extended applications
• Designed specifically for timber frame construction around windows and doors
• Compatible with VELUX building system components for integrated envelope performance

Specifications

Dimensions

78×98cm (31×39 inches)

Material

FSC-certified birch plywood

Thickness

4mm

Maximum length

9 metres

Preservative treatment

Boron-based

Application

Timber frame windows and doors flashing

Description

This VELUX Twin and Combination Flashing is engineered for timber frame construction, delivering a reliable watertight seal around windows and doors. Manufactured from FSC-certified birch plywood with 4mm thickness, it accommodates lengths up to 9 metres, making it suitable for both standard and extended applications. The material is treated with boron-based preservative to resist rot and insect damage, ensuring long-term durability in external building conditions. Typically installed alongside other VELUX components, this flashing forms an essential part of a properly constructed timber frame building envelope.