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Global Sealer Technologies is a leader in the development and manufacture of innovative and advanced chemical products for the enhancement, protection and maintenance of all concrete, masonry and natural stone surfaces. Our professional staff has a combined industry experience of over 100 years, from laboratory design to field application. ​ We continue to provide the marketplace with cost effective solutions for the construction industry, as well as for maintenance and restoration, with unparalleled knowledge and technical support. Global Sealer Technologies is dedicated to serving our customers’ needs through education and the development of the latest technologies for the advancement of our product lines.

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Water Block is an invisible, water-based penetrating sealer that provides superior water repellency and prevents water absorption to a wide variety of porous surfaces. This will significantly reduce the negative effects of constant water intrusion. Tests have proven Water Block to maintain water repellency for five years and up to 10 years depending on traffic and environmental conditions.

GST International Water Block

Satin Seal is formulated from current state-of-the-art water-based ultraviolet resistant acrylic coatings technology. Designed as a film forming acrylic sealer, Satin Seal creates a non-yellowing barrier coating that seals and protects concrete, exposed aggregate, natural stone, slate, stamped and colored concrete against food stains, grease, oils, rust and water, while enhancing the natural colors of the applied surface whether indoors or out.

GST International Satin Seal

High Gloss Wet Look Lacquer is a solvent-based, high gloss, crystal clear, deep penetrating barrier coating for decorative concrete, stone, natural and manufactured hardscape surfaces. This product provides a ‘water wet’ appearance which enhances and beautifies the natural color of the applied surface. Nonyellowing High Gloss Wet Look Lacquer seals against food stains, gasoline, grease, oils, water and acid. Its deep bonding formula resists peeling, chipping, cracking and UV degradation.

GST International High Gloss Wet Look Lacquer

Lock 'N Seal is a one-step sealer and joint sand stabilizer. It is formulated from the latest developments in non-hazardous VOC, EPA and OSHA compliant, solvent free, water-based UV resistant acrylic chemistry designed specifically with high product solids to create the ultimate sealer for interlocking paver installations. It seals and locks down the sand within the paving joints with a flexible bond that reduces weed growth and ant mines.

GST International Lock 'N Seal

Stain Block Elite is a state-of-the-art, water and stain-resistant, penetrating fluoropolymer impregnating sealer. It has been specifically designed for porous to dense concrete, brick, natural and manufactured stone surfaces. When dry it is virtually invisible, leaving the surface with its original appearance and breathability. It resists oil and grease stains, rust stains, moss, mildew and spalling problems associated with freeze/thaw cycles. Stain Block Elite provides superior protection against moisture penetration, thereby reducing the formation of efflorescence.

GST International Stain Block Elite

Low VOC High Gloss Wet Look Lacquer is a solvent-based, high gloss, crystal clear, deep penetrating barrier coating for decorative concrete, stone, natural and manufactured hardscape surfaces. Low VOC High Gloss Wet Look Lacquer provides a ‘water-wet’ appearance which enhances and beautifies the natural color of the applied surface. Nonyellowing Low VOC High Gloss Wet Look Lacquer seals against food stains, gasoline, grease, oils, water and acid. Its deep bonding formula resists peeling, chipping, cracking and UV degradation.

GST International Low VOC High Gloss Wet Look Lacquer

Low VOC Low Sheen Wet Look Lacquer is a solvent-based, low sheen, crystal clear, deep penetrating barrier coating for decorative concrete, stone, natural and manufactured hardscape surfaces. Low VOC Low Sheen Wet Look Lacquer provides a ‘water-wet’ appearance which enhances and beautifies the natural color of the applied surface. Nonyellowing Low VOC Low Sheen Wet Look Lacquer seals against food stains, gasoline, grease, oils, water and acid. Its deep bonding formula resists peeling, chipping, cracking and UV degradation.

GST International Low VOC Low Sheen Wet Look Lacquer

GST International

Global Sealer Technologies is a leader in the development and manufacture of innovative and advanced chemical products for the enhancement, protection and maintenance of all concrete, masonry and natu

GST International - Chemical Products - Protection - Concrete

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GST International Low VOC High Gloss Wet Look Lacquer Safety Data Sheet (Spanish)

GST International Low VOC High Gloss Wet Look Lacquer Safety Data Sheet (Spanish) - GST International - Knowde

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GST International Low VOC High Gloss Wet Look Lacquer Safety Data Sheet (Spanish)

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