Zidi Yan

’s that time of the year again: when DIYers are coming out of the woodwork with backyard projects like building decks and pergolas, all gearing up for the warmer months ahead.

However, not all timber is created equal. There are different factors to consider: natural durability, structural strength, machine-graded pine, F-grades, hardwood versus pine, and ways to extend timber’s lifespan.

Sorting the wood from the trees can be overwhelming, so our experts at the National Centre for Timber Durability and Design Life, have compiled a checklist of everything a DIY enthusiast needs to know about timber durability, species and maintenance.