What spacing should decking joists be?

For residential decking, the joist space should not exceed 16 inches as measured on the centre. But if you want a more rigid feel for your decking, you can space the joist by 12 inches on the centre. Additionally, for commercial deckings, the standard joist spacing is 12 inches on the centre.

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Can I build a freestanding deck?

It can be built right next to a house, almost like it's attached to it, but it will still be self-supporting. This kind of deck can offer many options, and it can be simpler to build than a deck that's attached to an outer wall of a house. A freestanding deck might seem like it's extra work. Can I build a deck without digging holes? Yes. It's possible to build a deck without digging holes. This type of deck is called a floating deck, and it sits right on top of the ground without any posts or support areas that you'd dig down into the ground [to secure].

And another question, will deck blocks sink?

The deck blocks can sink if the soil under them erodes for some reason or the weight is unevenly distributed. That's why it's a good idea to use more than less. Especially in loose soils or wet conditions which requires more weight distribution. Can you use fence posts for decking? Only use UC4 treated wood for building your deck base (UC4 wood materials, such as decking timber and fence posts are treated to make them suitable for prolonged ground contact) - our C24 grade decking joists are kiln dried, treated and strength tested for this purpose.

How do I keep rodents from under my deck?

Pests like to hibernate beneath garden decking because it provides them with shelter from harsh weather. To stop this happening, run wood, mesh or chicken wire along the edge of your decking between the boards and the ground. Also, does grass grow through decking? If your decking hasn't been laid yet, remove or kill the grass in the area that it will go on. Also, you're less likely to have grass growing through your decking.