He said the bulk "really took off" before Christmas with home appliance and TV boxes mounting up kerbsides, many still in their full-volume shape when they could have been flat-packed to help the collections process.
"It does take up too much room on the truck, but a lot of people do do a really good job," he said.
He said schools have good programmes educating children in waste disposal, but there are adults who still need to learn the steps they can take to help.
The company has recently expanded its fleet to nine trucks, each with a driver, a sorter and a runner, in a 365-days-a-year collection operation in the twin cities, centred on its sorting and packing facilities in Whakatu.
In Napier, staff were kept busy clearing and sorting at the Onekawa site of Waste Management, from where local company All Brite started one of New Zealand's first kerb-side recyclables collections in 1993.