About Quoin Corner

We are the designer, manufacturer and supplier of vinyl Quoin Corner, an affordable architectural innovation.

This extraordinary product easily adds distinction to any residential or commercial building exterior with vinyl siding, stucco or other material. Interior applications can include encasing drywall surfaces, columns, beams or poles.

Quoin Corner originated from the vision of an experienced craftsman and inventor. Ten years of development and testing were invested into this product to ensure Quoin Corner delivers high quality, beautiful aesthetics and optimum value to our customers.

Quoin Corner is proudly made in the USA.