Fixing and buying guide

What this product is and who needs it

This is a timber flashing designed specifically for timber frame construction. It creates a secure, weather-tight seal around roof penetrations and junctions. You need this product if you are installing or repairing a pitched roof with timber frame construction, particularly when using the VELUX EKW MK04 S0312 roofing system. It is suitable for use on rafters, ridge tiles, and other roof components where water ingress protection is essential.

Sizing and compatibility

The flashing measures 78x98cm and is designed to seal roof penetrations and junctions up to these dimensions. Confirm your roof opening or junction size before ordering to ensure this flashing will cover your installation area adequately. This product is specifically compatible with the EKW MK04 S0312 roofing system and timber frame construction methods. Check your roof design and building specification to verify compatibility with your existing or planned roofing system.

• Size: 78cm length by 98cm width
• Material: Grade A timber with natural finish
• Designed for timber frame roof construction
• Compatible with EKW MK04 S0312 roofing system

Pre-installation checks

Before fitting, inspect the flashing for any damage or defects in the timber. Ensure your roof structure and opening dimensions match the 78x98cm flashing size. Check that the timber frame is sound, dry, and ready to receive the flashing. Verify that all necessary roof components and the EKW MK04 S0312 system are in place and properly aligned. Have all fixing materials and sealants ready before beginning installation.

• Measure your roof opening or junction to confirm it does not exceed 78x98cm
• Inspect the Grade A timber for splits, warping, or damage
• Ensure the timber frame structure is level and properly prepared
• Confirm all other roofing components are in position

Pack contents and preparation

This product is supplied as a single timber flashing unit in natural finish. The Grade A timber requires no additional treatment before installation. Ensure you have appropriate fixings, roof sealant, and any other components specified in your roofing system instructions. Store the flashing in a dry location until installation to prevent moisture absorption or warping of the timber.