Synthetic tufted hallway carpet which was only about 12 mths old but had been subjected to heavy traffic
Draught marks caused by air rising up through gaps in floor boards depositing
dirt in the pile
After treatment
(This can be prevented by placing brown waxed paper between the floorboards and carpet)

Heavily soiled synthetic tufted carpet
Before at bottom
After at top
Rust Stains in office carpet
After stain removal