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Products & Services Perma-Columns Concrete Anchor Brackets Specialty Concrete Columns Pre-Cast Concrete Bases Laminated Wood Columns Hardware Packages  
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Perma-Columns are precast concrete columns that are an alternative to preservative-treated wood thus ensuring the structural integrity of your building’s foundation, a simple and efficient construction method that allows an affordable concrete foundation with no mess or concrete cure time.

Concrete Anchor Brackets

Sturdi-Wall (SW) and Sturdi-Wall Plus (SWP) brackets are a heavy duty engineered anchoring system that attaches the wood column to concrete foundations and are generally used in the post frame industry but have other applications as well. These brackets are made with ¼ “steel plate, A706 rebar in either # 4 or # 5 size depending on model, precisely welded to meet engineering specs - see Sturdi-Wall Design Manual - and are given a professional look with a baked polyester powder coat finish. Some models are available in Hot Dipped Galvanized for more corrosive environments.

Specialty Concrete Columns

We continue to get requests for concrete columns that are specific to our customers’ needs. A few of our products are listed here to show the endless possibilities. The same dedication to quality is found in these products that are found in Perma-Columns.

Pre-Cast Concrete Bases

Concrete bases use our SCC (Self Consolidating Concrete) pre-casting technology that includes superplasticizers, microsilicia and an admixture that gives freeze/thaw protection. In some instances, a corrosion inhibitor for rust protection of steel reinforcements and microfibers are added to the mix.

Laminated Wood Columns

Our mechanically laminated wood columns use #1 SYP grade lumber, no wood treatments are needed, manufactured to ANSI/ ASAE EP559 specifications and allow a perfect fit to the Perma-Column pocket. For more details see: ANSI/ASAE EP 559, Design Requirements and Bending Properties for Mechanically Laminated Columns.

Hardware Packages

The wood to steel connection is made with (2) ½” diameter bolts in double shear and ¼” x 3” screw fasteners (SDS) by Simpson Strong Tie or equal in single shear installed from each side. One or two screws – depending on model – are installed from each side of the bracket at each bolt. Screws help prevent stress concentrations around the bolt which would cause splitting of the wood members. All hex head bolts used in our hardware packages are A325 (grade 5) unless noted otherwise.

In our tradition of using only the highest quality of fasteners available we have chosen SPAX® as our supplier of choice. SPAX® screws provide high tensile, torque and shear strengths along with its unique and patented serrations that allow for the easiest driving into the wood column without pre-drilling. These screw fasteners, made in Germany or the USA, virtually eliminates wood splitting at assembly.
Midwest Perma-Column | 
Post Frame & Metal Building Concrete Solutions