• Overall Dimension of Plastic (includes flange) 51" x 99"
• Flange 1 1/4", Dome dimension 48 1/2" x 96 1/2"
• Thickness .187 Approximately 3/16"
• Height of Outer Dome 14"
• Height of Inner Dome 12" (All inner domes are acrylic)
• Gradual Rise Profile (will not work with vertical rise or dome over frame units, contact us for helpful information regarding those shapes)
• This item is made to order (No Returns or Exchanges)
• Please allow 2-3 days to prepare for shipping (larger quantities may increase lead time)
• SHIPPING - This item ships on a pallet 103" x 56" LTL Freight

This product is designed for use in an existing residential/commercial framed gradual rise skylight where the frame and retainer are screwed together to hold the plastic in place.  There is no such thing as a STANDARD size or deduction between the Outside of the retainer frame and the plastic underneath.  Please remove screws and measure tip to tip of plastic prior to ordering.