What is the correct fall for 4inch drain pipes is it 1 inch or 2 inches per meter fall?

1 answer

Answer

1239032

2026-07-21 01:50

+ Follow

The correct fall for a 4 inch/100mm foul drain is 12.5mm per meter.. or 10mm per meter on a surface water drain

ReportLike(0ShareFavorite

Copyright © 2026 eLLeNow.com All Rights Reserved.