Alumasc's leading Drainage Calculator allows Architects, Specifiers and Building Engineer's to design and quantify all their Rainwater Drainage requirements using this dedicated software.
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
Note: The Alumasc range of calculation tools on the Drainage software are based on BS EN 12056 and 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 Rainwater or Drainage technical team on 01536 383810 or firstname.lastname@example.org who may be able to assist.