Specifications: Structural barrel Vault skylight shall be as manufactured by Plasteco, Inc (800-231-6117; Fax 713-453-8372). Extruded aluminum shall be 6063-T5. Exterior exposed aluminum shall be mill finish, (clear anodized, bronze anodized, flouropolymer (color), or baked enamel (color)). Model 310 outer acrylic shall be clear, 2412 bronze, or 2447 white translucent. Model 311 inner acrylic shall be clear, or 2447 white translucent.

Rafters shall be on nominal 4 ft centers. The skylight shall be designed to support 20 psf live load and a 20 psf wind load. Curbs (by others ) shall have a minimum thickness of 5-1/2 inches and shall be designed to support the skylight and thrust of a 20 psf live load. Curb frame shall have self adjusting counter flashing.