An Iligan-based startup company is aiming to convert tons of single-use plastic wastes into roofing tiles that can tackle the problem of pollution and at the same time, provide materials to modular ...
Celstone manufactures a comprehensive range of roofing products from both concrete and GRC. Our ridge tiles are manufactured from concrete using both modern machinery extrusion processes and by hand.
These generally require a 5-15cm (2-6in) depth of growing medium that can consist mainly of lightweight inorganic materials such as perlite, leca, sand, rockwool and crushed tiles or concrete. The ...