Permeable Hardscape North America LLC formerly Romex Materials LLC is your number one source for permeable grouting and bedding materials in North America. We are dedicated to bringing you the very best line of products with a focus on delivering a product line you will love.

Since their entry into the permeable eco-friendly paving industry in 2010 Wolfgang Worrmann and Stephanie Goodwin founders of Permeable Hardscape North America LLC have come a long way from where they started. Their passion for eco-friendly and permeable products drove them to action to continually bring you the next generation in permeable hardscape products. We serve customers across the country and we are thrilled that were able to turn our passion into a new direction.

Permeable Hardscape North America LLC is proud to announce that we are the North American General Importer for GftK GmbH a pioneer and worldwide leader in the field of innovative mortar systems for DIY and commercial products. And we are committed to bringing their world-class products to you.


Since the foundation of our company in 1971 we are specialized in the development production and the sale of high end products in the domain of building chemicals for circulation areas of all kind.

Being the pioneer in the field of development of innovative mortar systems based on epoxy resins we have set a milestone in 1985 already by introducing the first EP-jointing mortar vdw 800 designed for a simple quick environment-friendly and long lasting jointing of paved areas.

Due to our experience for many years combined with our permanent development we are in the position today to offer the appropriate mortar for any application to our clients. Along with that we are anxious to strengthen our leading position as problem solvers through permanent development in that area.

Since 1991 we offer a system solution for a long lasting coloredcoating of circulation areas named COLOROUT available in many different colors and offering a built-in grip in order to contribute to the safety of traffic participants. Until today COLOROUT has perfectly proven its qualities on many thousand squaremeters of circulation areas.

In our German manufacturing plants in Rheinbach and Erfurt we produce high end products for the world market.

Permeable Hardscape North America LLC

10650 Culebra Rd, Suite#104-553
San Antonio, TX  78251

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