Our proprietary on-line engineering program will determine the proper extrusion size and bay spacing options based upon your dimensional requirements. As well as purlin options, you will be prompted to select the number of bays per side you want for your skylight. By presenting you with these options, e-skylight.com allows you to further customize your final skylight design. When selecting a framing option, you should consider such factors as aesthetics, sightlines, and cost. e-skylight.com will always default to the fewest number of bays for that particular size of skylight. Please note that this may not be the most economical option.

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