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FAQ

Does the calculator account for future expansion, like an additional floor or family members?

If you anticipate adding a floor or expecting your household to grow, it is worth sizing your sump and overhead tank with some margin above your current bare minimum need, since expanding underground sump capacity later is considerably more disruptive than building in reasonable headroom at the outset. Flag any known future expansion plans when […]

If you anticipate adding a floor or expecting your household to grow, it is worth sizing your sump and overhead tank with some margin above your current bare minimum need, since expanding underground sump capacity later is considerably more disruptive than building in reasonable headroom at the outset. Flag any known future expansion plans when using the calculator so the recommendation reflects that intent.