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Ask A Pro Q&A – How to Properly Mount a Deck

Looking for the best way to mount your deck? Carson Arthur answers this question about the best way to tackle this DIY.

Question: Can I bolt two sides of a deck to the house and have the other two sides just sitting on concrete blocks?

In theory, yes you can. We often mount decks to the house using proper lag bolts and screws. As for the other corners in the yard, you will want to use something more solid than concrete blocks as the weight of the deck will cause them to sink into the soil over time causing your deck to start to lean. Take a look at some proper footings available at any box or construction stores. They work the same way as concrete blocks, but they disperse the weight better so you avoid that sinking feeling.

-Carson Arthur.