Construction, demolition and excavation together produce around three fifths of the country’s waste.

Fit-out adds more than its fair share because interiors get replaced far more often than the buildings around them according to Defra’s UK statistics on waste

Most of that waste is decided long before anyone picks up a saw. Here’s where your planning makes the biggest difference.

Design to the sheet, not around it

Most panel products arrive at 2440 x 1220mm. If your joinery drawings call for a 1250mm panel, you’ll get one per board and send nearly half of every sheet to the offcut pile. Bring that dimension down to 1200mm and two panels fit along the length with room for the saw.

Your client is unlikely to notice 50mm. Your waste contractor’s invoice will.

Lock the finishes before you order

Late design changes drive more over-ordering than bad arithmetic ever does. A decor swap three weeks before installation leaves you with pallets of board nobody wants.

The pressure is getting worse as leases shorten and occupiers change more often. A British Council for Offices report found that offices are responsible for 44% of the construction sector’s waste, and it singled out fit-out as the stage where circular thinking can do the most good. Get written sign-off on finishes and quantities before procurement starts, and treat any change after that point as a cost the client sees.

Let your supplier do the cutting

Ordering full boards and cutting them on site sounds flexible. In practice, offcuts pile up in a corridor until someone clears them into a skip.

Some panel distributors will cut to your schedule before the material leaves their yard. Lawcris, for example, supplies HDF and other decorative boards to joiners and contractors with a cut-to-size service, which suits high-density fibreboard used for desk tops, shelving and office partitions. You receive parts ready to fit rather than sheets waiting to be broken down, and your installers spend their time installing.

Phase your deliveries

Board stored on a live site for weeks gets damaged. A forklift catches a corner or a temporary roof leaks overnight, and each ruined sheet becomes a reorder with its own delivery and packaging.

Schedule drops floor by floor so materials arrive shortly before they’re needed. It takes more coordination with your supplier, but you’ll lose far less stock.

Treat offcuts as stock

Set a minimum useful size, perhaps 600 x 300mm, and keep anything above it on a simple register that the joiners can check. Those pieces make perfectly good kick plates, cable covers and small shelves.

Without a register, they vanish. Nobody goes looking for a board they don’t know exists.

Measure what you throw away

Count skips by trade package, or ask your waste contractor for weights per lift. Even rough figures will show you which package overran and why.

Once you can see which trade filled the most skips, you know exactly where your next material plan needs tightening.

Read the full article →