Image Credits

Diagrams

The labeled cross-sections (files starting with diagram-) are drawn by Melissa Drainage Co for this site. Dimensions on them come from the International Residential Code (sections R401.3, R405.1 and R406), the International Plumbing Code (section 712.3.2 and Table 704.1) and pipe makers' installation guides. They are not to scale and are not a design for any particular property.

Other photographs

The photographs on this site are stock images that show the trade in general. None of them shows a job done through this site, and none is tied to a specific address.

CC0 and public domain need no attribution; CC BY requires it; CC BY-SA requires it and passes the same licence on. Images are resized and converted to WebP, nothing else is changed. If a credit is wrong or you would like an image removed, use the contact page.