How to fix leaking gutters, roofs and flashings

Crommelin Exterior Grade Brushable Waterproofer is water based and quick drying. Suitable for use in areas such as gutters, roofs and flashings.

You Will Need

1litre of Exterior Grade Brushable Waterproofer will seal approximately 1.5m²

Equipment

Exterior Grade Brushable Waterproofer is easily applied with a paint brush

Number of Coats

A minimum of 2 coats are required and should be applied at 90 degrees to each other

Drying Time

Allow 2 hours drying time between coats. Keep the surface dry for 24 hours before exposing to water or rain

Clean Up

Exterior Grade Brushable Waterproofer easily cleaned up with water before it dries

Tips

Any areas of pin holing or rust damage should be reinforced using Reinforcing Bandage between coats of Exterior Grade Brushable Waterproofer