Accessories and Finishing Touches


This versatile product can be used with all Columbia curb mounted skylight models. It provides a weatherproof seal between the curb and your roof deck. It is to be used with thin roofing materials including: asphalt or fiberglass shingles, cedar shingles and shakes.

  • Compatible curb mounted skylights… VCM… OVCM… ATCM… ACM… ATCM-OF.
  • Suitable for low profile roofing materials on roof pitches from 15° (3:12) – 60° (20:12).
  • 2×6 and 2×4 site-built curbs
  • Recommended Columbia IWS skylight underlayment membrane is applied between roof deck and curb prior to installation of flashings.
  • Continuous counterflashing on top of entire framed curb is suggested.
  • Minimum 2” x 2” cant strip cut diagonally to a 45° angle applied to the bottom of your wood curb for flat roof installations.


Choose an attractive sun-screening accessory from your neighborhood window coverings specialist to give you extra control over light or direct sun.

  • Fashionable shades without any visible cords to fit any room are available in wide range of colours. Why settle for only white?
  • Your window covering specialist has light blocking fabric blinds available to eliminate light when desired.
  • Venetian blinds are available for both vertical and overhead applications in a wide selection of colours, which will enable you to adjust the volume of light and direction into your room.
  • Columbia builds skylights for your every need. We strongly suggest you seek out the advice of a window covering professional to complete your skylight installation.