Karnak #19 Ultra rubberized flashing cement is the next generation in emergency waterproofing solutions. Scientifically compounded with a selection of rubber reinforced asphalt, mineral fibres and refined solvents. #19 Ultra is a heavy, pliable consistency for easy application by trowel. #19 Ultra contains special chemical ingredients which give it unique water displacement qualities for permanent underwater repairs. #19 Ultra dries to a tough, flexible, waterproof and corrosion proof rubber coating which gives maximum protection and performance over a wide range of temperature and weather conditions.

Surface Preparation:
All surfaces should be clean and free from grease, oil, dust, dirt, loose paint and other foreign matter. Remove excess water where possible. If this isn't possible don't worry, #19 Ultra can be applied and will fully cure underwater!

Excellent adhesion on:

Bitumen

Felt

Shingles

Tiles

Metal

Asphalt

Downpipes

Vertical walls

Chimneys

Flues

Skylight flashings

And much more