Merbau decking is by far the most popular hardwood decking around the world. Merbau timber looks great, it is a durable hardwood, long lasting and very easy to install and maintain with a BAL 29 rating. PY Timber Warehouse is a major merbau decking supplier. We stock all the sizes, 42 x 19mm, 70 x 19mm, 90 x 19mm and 140 x 19mm, in random and set lengths. We deliver in Melbourne, Mornington Peninsula and country Victoria.