About GSI         

 Gramatica SIPS International was founded by Martin, Bill, and Santiago Gramatica in an effort to provide a safer and more energy efficient construction product. The Gramatica brothers have surrounded themselves with some of the greatest SIPS minds in the industry today, giving them combined product knowledge from over 50 years.  The GSI Panelized Construction System offers important lasting benefits such as: energy savings and storm protection.

GSI is a premier SIPS manufacturing company focused on green, energy efficient construction solutions. Our green product lines are created to fit our clients desires for conservations at the forefront. Our innovative eco-solutions replace out-dated and expensive construction methods with the superior performance of new technology.

  The latest building trend in the industry today is focused on reducing construction time, material costs, and on-site labor. The GSI Green Building System is the perfect solution to this trend. Prefabrication of housing units allow for better quality control on the job site. While builders marvel at the ease and speed of construction, homeowners are impressed with the substantial energy savings they enjoy, as well as, the superior structural strength and sound proofing.

“There is no better feeling than knowing you've made a positive impact in someone's life. It is our responsibility and privilege to help provide a safer, more energy efficient product that will reduce the cost of ownership ” – Martin, Bill, and Santiago Gramatica