• Overall Dimension of Plastic (includes flange) 39 1/4" x 39 1/4"
• Flange 1 1/4", Dome dimension 36 3/4" x 36 3/4"
• Thickness .118 Approximately 1/8"
• Height of Outer Dome 6"
• Height of Inner Dome 4 3/4"
• Material: Acrylic Only
• Gradual Rise Profile (will not work with vertical rise or dome over frame units, contact us for helpful information regarding those shapes)
• We make all sizes! Please contact us if you need the size to be special.
• SHIPPING - Fedex/UPS consider this an oversize package which adds an $80 fee in addition to the base shipping rate.  If you have more then 2 single domes or more then 1 double dome please contact us, we can ship multiple domes on same pallet but Fedex/UPS will be most economical option for single boxes.

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.