Repair A Rotted Porch Column

By Robert Robillard on Home Repairs And Remodeling

Repair A Rotted Porch Column

Structural repairs:

When a column supports a roof or structure it is considered structural. Prior to replacement or major repair you should take steps to temporary provide structural support to the area around the post needing repairs or replacement.

Note – some minor repairs for porch column rot can be done in place. We believe when the rot is extensive enough, the best way to perform these repairs is on a workbench.

Repair A Rotted Porch Column

Jacking and Temporary Supports:

I often use 2×6 lumber as temporary porch post supports. I make “T-shaped” jacking or shoring post. The “T” shape keeps the two boards rigid, preventing each board from bending on their flats. I install 3-inch nails every 12-inches to secure the two boards together.

I use a small 10-ton hydraulic jack to raise the structure approximately 1/8 of an inch. This assists in getting a reciprocating blade in to cut the fasteners away and remove the post. It also assists later when inserting the replacement or repaired post.

Once the structure is jacked up I install a second temporary support post to take the stress off the jack, and to provide additional support at the new height. This second support post can be T-shaped or simply two 2×6’s doubled together and fastened every 16″ with two 3-inch 12d nails.

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About the author

Robert Robillard

Carpenter / Remodeler / Editor

Rob Robillard is “The Concord Carpenter” Rob is a builder, general contractor, carpenter, woodworker, and editor of Concord Carpenter and ToolBoxBuzz As a General Contractor and carpenter, Rob owns and operates Concord Carpenter LLC. A full-service remodeling and construction company. Rob is a recognized leader in home building best practices and a source for how-to information for building professionals. On this website, Rob covers all aspects of home construction, building science, home improvement, woodworking, remodeling, and some of the best product and tool reviews. Rob is in charge of our Tool and Product Review series - Concord Carpenter Videos where we post all of our tool reviews and video tutorials. Rob approaches remodeling and building construction with a pragmatic and problem-solving approach. He enjoys using his knowledge and experience to help and educate building professionals as well as DIYers on best practices in the construction and remodeling industry. He's a strong advocate for "raising the bar" in the construction trades and promoting the trades to youth. #BeAMentor #Green2Great Craftsmanship, quality, and pride guide his journey on this channel The Concord Carpenter's motto: "Well done is better than well said!" : Read more about Rob

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