©2018     Tree Frog Woodworking, Inc.

This unique pergola, featuring an offset cantilever design, is built from corten, or "weathering" steel. Corten was developed to eliminate the need for finishing, and form a stable rust-like appearance after extended exposure to weather.  With consideration for the dry climate of Colorado, a chemical treatment was used to accelerate the rust development and allow the structure to blend seamlessly with the existing corten siding on the home.

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