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Bob and contractor Bob Ryley install sloped glazing on a solar greenhouse with the help of Mark Santos. They use a commercially available mounting system to attach the glazing, which consists of an extruded aluminum railing with a neoprene gasket. The gasket forms a weathertight seal. The railing also has a small trough to catch condensation. The glazing itself is a one-inch sealed glazing unit. The outer sheet is tempered glass, but the inner sheet is laminated glass.
