Alumasc Drainage Calculators comprise a series of tools to calculate the sizes of Harmer SML pipework, roof outlets and gutters from the Alumasc Range of Products. The package includes 4 calculators: Foul Drainage Calculator, Internal Rainwater Calculator, Roof Outlet Calculator, and Gutter Calculator.
It is a package that helps you optimize your GC method parameters.
Consists of a number of easy to use, state-of-the-art, user friendly programs
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