Concrete Forming

Planning Forms To Assure Results

While the quality of the form contact face is critical to concrete finishes, there are other factors which must be considered during design and construction.

Check reinforcing steel open space to verify that reasonable placement and compaction is possible.1. Check reinforcing steel open space to verify that reasonable placement and compaction is possible. Bars should be bundled to open the space in columns or other constricted areas. This is a design responsibility as outlined in the newly revised ACI 315 standard. The contractor is now required to exactly follow the original design. See detail.

2. Articulate construction joints with rustication strips. Gasket, silicone caulk, or otherwise seal all construction, corners and form butt joints. It is best to place rustication strips over form joints to avoid variations in results opposite the joint.

Rustification strips

3. Architectural concrete is as different from rough concrete as millwork is from rough carpentry. Details and specifications must be clear.

4. Review your concrete form specifications to be sure they produce the results you want for your client.

 

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