Gilsulate International, Inc. is a woman-owned small business (WOSB) located in Santa Clarita, California. Our primary customer base spans across the United States and Canada and into international markets. Our primary product is GilsulateŽ 500XR. GilsulateŽ 500XR is a patented, engineered controlled density insulating fill and corrosion protection system for direct buried applications. Gilsulate is poured straight from the sack, there is no mixing or curing. Safe, eco-friendly and non-toxic, GilsulateŽ500XR consists of a dielectric mineral and insulating minerals. It is the MOST thermally efficient Pour-in-Place Insulation (PIPI) product available.

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