Footing Depth For Pergola

Pergola footings without digging.

Footing depth for pergola.

The footings for your deck or pergola will serve as the cornerstones of your support structure. Improper footings will make for an unstable frame which can cause the wood to bow and warp and potentially cause harm to someone using it at the wrong time. Footings also must extend at least 12 inches below the frost line the depth to which the ground freezes in winter or must be frost protected. Dig holes in the locations for the pergola s posts making each hole at least 12 inches in diameter and the depth of one third the height of one post.

Footings should extend to a minimum depth of 12 inches below previously undisturbed soil. Three options for footings are discussed. Bet you thought it wasn t possible to build pergola footings without digging and setting the posts into the ground. Order the 8 foot or 10 foot post option and add the post attachment hardware to your order.

Pros and cons given for each. If you wish to install your pavilion or pergola in an area without a concrete slab foundation you will need to dig post holes to accommodate concrete footings. Footings are also useful if you wish to install your pergola or pavilion over an existing paver patio. Crpntrfrk s got it put a footing under each post.

You can mount a 1 4 thick chunk of flat iron iron in the wet concrete footing cut a vertical notch in your post to receive the iron then through bolt wood metal wood. If for example each post is 12 feet tall. This do it yourself video will teach you how to pour concrete into a sonotube form measure and place post mount brackets for your pergola kit. 2 3 bags of ready mix concrete per form.

Pergola post installation mounted on concrete footer or existing slab. Footings should have a minimum width of 12 inches. Fortunately there are some excellent ways of installing footings for a pergola that are strong stable and durable without the need to dig mix and pour cement. 8 x 3 or 4ft diameter sonotube form.

How to pour concrete footings for a cedar pergola. Especially where reactive soil is a concern you should consult with your local council on. The easiest method of installation is to dig footings to the correct depth below the frost line in your area and use post mounting hardware to attach the posts to the concrete footings or existing concrete slab as follows.