Flash Harry Flash Patch is a convenient pre-cut waterproofing patch system designed for quick and effective sealing around roof screw bolts and roofing fasteners. Manufactured from durable stitch-bonded polyester membrane material, these ready-to-use patches help reinforce waterproofing systems while preventing leaks and moisture penetration in vulnerable roofing areas.
Ideal for both DIY and professional roofing repairs, Flash Patch provides a fast and reliable solution for sealing roof screws, fixing minor leaks, and strengthening waterproofing applications on corrugated and IBR roofing systems. Its easy-to-use pre-cut design helps speed up installation while ensuring consistent waterproofing performance.
Flash Harry Flash Patch
- Pre-cut waterproofing membrane patches
- Made from durable stitch-bonded polyester
- Ideal for sealing roof screw bolts and fasteners
- Reinforces waterproofing systems
- Quick and easy to apply
- Helps prevent leaks and water penetration
- Suitable for DIY and professional applications
- Flexible and durable membrane construction
- Compatible with acrylic waterproofing systems
- Ideal for roof maintenance and repairs
Recommended for waterproofing and sealing:
- Roof screw bolts and roofing fasteners
- Corrugated and IBR roof sheets
- Minor roof leak repairs
- Roofing lap joints and vulnerable fixing points
- General roof waterproofing maintenance
For best results, use together with a compatible waterproofing compound or acrylic waterproofing system. Ensure surfaces are clean, dry, and properly prepared before application.
















