Block Foundations for Small Additions 1

A jitterbug is used to give the footing an “alligator back,” which helps key the first course of block to the footing.

Before starting excavation, the author lays down sheets of plywood to protect the paver-stone patio.

He uses a plate compactor to prepare the soil underneath the footing.

While he rents excavating equipment for each job, he also owns a small dump truck.

An electric side-loading concrete mixer.

Footings are formed with 5/8-inch plywood.

They are held in place with 30-inch form pins driven in with a rotary hammer.

The concrete is reinforced with rebar held off the ground with chairs.

Short lengths of strapping screwed to the top of the plywood forms and backfill help strengthen the forms.

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