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The images on our website can be used to assist in your decision, but should not be relied on as the sole reference point. Due to variation in computer monitors and printers, the images shown may not exactly replicate the corresponding color, texture or appearance.

Note: Not all colors available in all regions. Contact Us for More information.

Built-Up Roofing (BUR)

Built-up roof (BUR) membranes are the traditional asphalt roofing solution for low slope and flat roofs. The roof is built up on site using layers of base sheet, ply sheets and cap sheet. Hot asphalt (bitumen) is the bonding and waterproofing agent between layers. CertainTeed offers options for all of these layers:

Base Sheets

  • Glasbase™ Base Sheet
  • Yosemite® Venting Base Sheet

Ply Sheets

  • Flintglas® Ply Sheet Type 4
  • Flintglas® Premium Ply Sheet Type 6

Cap Sheet

  • Flintglas® MS Cap
  • Flintglas® MS Cap CoolStar®

Energy Efficient Built-Up Roofing

Flintglas MS Cap Sheet White is an approved ENERGY STAR® product for slopes greater than 2″/12″.

CertainTeed Flintglas MS Cap Sheet CoolStar is a mineral surfaced fiber glass cap sheet with reflective CoolStar granules. It is designed for use as a cap sheet over inorganic and organic built-up roofing systems.

  • Granulated, uncoated finish
  • Handles like standard product – no special installation requirements
  • Low maintenance
  • More consistent
  • More aesthetically pleasing

Flintglas MS Cap Sheet CoolStar meets the requirements established by California Title 24 and ENERGY STAR®. Visit or for more information.