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How to dispose of pressure-treated wood (including decking and fence boards)

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  How to dispose of pressure-treated wood (including decking and fence boards)

Wood – Pressure treated

Pressure treated wood

Small quantities of treated wood

Put treated wood in your black cart as garbage.

Wood that's been stained, chemically treated, pressure treated, painted and/or has nails, screws or other hardware attached is considered treated wood.

Size restrictions
Treated wood pieces must be less than:

  • 15 cm (six inches) in diameter
  • 1.25 m (four feet) in length

Larger sizes or quantities of treated wood

Take larger pieces or amounts of treated wood to a City landfill. Landfill charges will apply.

Landfill locations listed below:

Title: What Goes Where?
Author: City of Calgary
Description: Residential recycling and disposal search tool