kalinda

Water insulator

Isogam or Water insulator:

Use first grade bitumen 60/70
Using a tissue layer.
Use mineral powder such as talcum powder
The thickness of isogam is higher than 4mm
The weight of each Isogam tube is 40-42 kg which indicates its high quality
This isogam is of high quality and standard and does not bend when folded or change its shape