Alumasc Water Management Solutions leading Drainage Calculator allows Architects, Specifiers and Building Engineer's to design and quantify all their Rainwater Drainage requirements using this dedicated Platform.

Key Features

  • Category 2 and 3 Flat Roof Drainage linked to local rainfall data.
  • Eaves Drainage gutter sizing and pipe calculator for cast and contemporary gutter types
  • Slotdrain Hydraulic surface water drainage calculator
  • New rainfall map allowing customer to define exact location for rainfall data.
  • Ability to import FEH data sets for client’s personal use
  • Online login with ability to save progress and return at a later date, from any device & any location.
  • No installation required, just an internet connection
  • “Practise” feature allowing Engineers, Architects and Contractors to create their own “Practise” share & view calculations with their colleagues
  • Regular updates & new features
  • Links to NBS Specification, Detailed Drawings and Help pages
  • Contact us gives customer the correct point of contact for the brand.
  • Export to PDF & Excel Calculation Document provides a printout of the calculation and product selection.

Note: It is your responsibility to ensure that the data has been correctly interpreted. Architects, Engineers and other users of this software must satisfy themselves in respect of the adequacy of the design.  For complicated calculations, please contact the Alumasc technical team on the below who may be able to assist:

Gatic – 01787 475151

Wade – 01787 475151

Harmer & Rainwater – 01536 383810