CRL 95C Silicone Building Sealant Approved for the Florida Hurricane Impact Glazing Code

Los Angeles-based C.R. Laurence Co. Inc. (CRL), a supplier to the glazing, architectural, construction, industrial, and automotive industries, has announced that its CRL 95C silicone building sealant was recently approved for the Florida Hurricane Impact Glazing Code and recommended as an installation sealant.

Gary Byrum, CRL sealants product manager, explains that in order to meet the stringent requirements of impact glazing, window manufacturers successfully tested 95C Silicone by using their own systems.

"Each window manufacturer must test for use in their systems, and have the results independently verified," Byrum states. "In addition, CRL's 95C Silicone Building Sealant is an AAMA verified component under AAMA 802.3-92 (type I and II), 805.2-94 (Group C), and 808.3-92. "

CRL 95C is a one-part, neutral cure silicone that the company says cures to a durable and flexible silicone rubber building joint seal. According to CRL, CRL95C can accommodate plus or minus 50 percent joint movement in properly designed joints. It is applied with conventional cold-applied pumping equipment and is available in packaging options including, standard 10.3 fluid ounce (305 ml) cartridges, two-gallon (7.5 liter) pails, 4.5 gallon (17 liter) pails or 52 gallon (197 liter) drums. It is available in five standard colors; black, dark bronze, gray, limestone, and precast white. Custom colors are also available upon request.

CRL 95C forms a durable, flexible watertight bond with most building materials in any combination of glass, ceramics, plastics, stone, masonry, wood, steel, anodized and mill-finished aluminum, and painted surfaces. In most cases, no primer is required.

CRL 95C is also compatible with all laminated glass, insulating glass units, and acrylic or polycarbonate glazing sheets. It can be used as a weather seal for insulating glass units produced with any type of sealant, including two-part silicones, polysulfides, polyurethane, and butyls.

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