Manholes to be tiled 15 KN Aluminium

Aluminium tiled manholes to be installed inside or outside buildings. They provide secure access to crawl spaces, basements and technical ducts. 
The attractive 45° lock for easy installation.
This product is suitable for all types of floor coverings.
The reinforcement is reinforced with cross-shaped concrete bars.
A set of 2 keys provided for 3 functions:
tightening of the frame/bowl assembly,
unlocking the frame/tube assembly,
Handling of the tank during inspection or maintenance operations.
A special seal with high chemical resistance.
Cardboard protectors of the 4 corners for transport.