Henry Frerk Sons offers potassium silicate coating systems from Cathedral Stone and Keim Mineral Coatings. Silicate coatings are the premier restoration coating system for historic masonry, and they offer long lasting, breathable finishes that can be custom matched to replicate almost any historic masonry finish. Silicates chemically bond with the masonry substrate, so there is no flaking or peeling, and when they eventually fade, they can be easily recoated.
Learn more about historic restoration coating products we carry from Keim in the product details below.
Potassium silicates are also recommended for brick, stone, and concrete restoration. Additionally, Keim mineral coating products offer an interior finish, Optil, and silicate paints for murals and decorative purposes. Silicate coatings can be color-matched to a sample or to most Benjamin Moore or Sherwin William colors. (Due to the mineral pigment systems some colors cannot be replicated.) Keim also offers a full palette of colors, including metallics.
Soldalit Sol-Silicate ready to use exterior coating is designed for use on difficult to paint surfaces, mixed mineral media, glazed finishes, etc. and previously latex/acrylic painted surfaces. Engineered for outstanding performance in all climates. Excellent for over-coating organic paints or mixed mineral substrates, or any combination of these substrates for unusually long life. Sodalit is weather resistant yet highly vapor permeable. Thin first coat with Soldalit Dilution/Thinner. Delivers a beautiful, natural appearing mineral matte finish. Very low VOC (less than 2 g/l tinted).
Soldalit Datasheets | TDS | SDS
Soldalit Dilution Datasheets | TDS | SDS
Sol-silicate based, ready-to-use glaze/mineral stain concentrates according to DIN EN 1062-1 for interior and exterior use. For decorative coatings in glaze painting technique or to provide conventional coatings with a special finish. Highly suitable for impressive colour designs. KEIM Design-Lasur can be mixed in any ratio with KEIM Design-Base and/or KEIM Design-Fixativ to achieve the desired degree of translucency.
Design-Lasur Datasheets | TDS | SDS
Design-Dilution Datasheets | TDS | SDS
Design-Base Datasheets | TDS | SDS
Silicate-based ready to use exterior coating. Excellent for all mineral substrates as it shares their natural physical properties and thermal movement characteristics for unusually long life. KEIM Granital is water resistant yet highly vapor permeable. Dilute with KEIM Spezial Dilution. Dries to a flat matte finish. Very low VOC (less than 1 g/l tinted).
Granital Datasheets | TDS | SDS
Spezial Dilution Datasheets | TDS | SDS
Concretal stain is the ideal solution for unifying uneven or variable concrete finishes and can be used to ensure that the required finish can be delivered to the client’s or specifier’s standard, without looking like a painted surface. The translucent mineral silicate stain’s remedial applications are only a small part of their design versatility, as it also offers a wide range of colors to decorate concrete, without changing the raw concrete’s texture and finish.
Concretal Datasheets | TDS | SDS
Concretal Dilution Datasheets | TDS | SDS
Ready-to-use silica sol interior coating. Designer coating excellent for high-end front offices and upscale living areas. KEIM Optil is highly vapor permeable so wall systems may breathe unrestricted for healthier indoor environments. Apply 2 coats of Optil, according to technical data sheet. Dries to a flat matte finish. Low VOC’s (less than 8 g/l).
Optil Datasheets | TDS | SDS
KEIM Restauro-Lasur is a silicate-based, ready-to-use thin layer coating especially for low pigmented coatings on masonry. KEIM Restauro-Lasur has water repellent properties and fulfills the requirements of DIN 18363, 2.4.1.
Restauro-Lasur Datasheets | TDS | SDS
Restauro Dilution | TDS | SDS
Exterior Stains & Coatings
Interior Stains & Paints
Natural Stone & Masonry Systems
Stucco & Plaster Systems
Mineral-Art Paints, Stains, and Glazes
NEW: Keim Brochure 2020
All Keim and Cathedral Stone coatings are custom orders. To place an order, please contact John Gibbons at 312-833-5519. For technical questions or custom blending, please call Elisabeth Logman at 773-231-8954 x.113.