Hydro Tech Limited manufactures Light Concrete Blocks for Commercial Building. Hydro Tech Limited is an ISO 9001:2000 certified company. Hydro Tech Limited offers wide ranges of polyester reinforced SBS-modified products, Pipe Wrapping Tapes; polymer modified bituminous membranes, self adhesive membranes etc. Light Concrete Blocks for Commercial Building is available under the brand name- Hydro Blocks, suited for residential, industrial applications. This Light Concrete Blocks potentially be used in both non-load bearing as well as load-bearing applications.