Protecto Seal 45

Exposable Waterproofing Membrane

Protecto Seal 45 is a 45 mil SBS modified rubberized asphalt self-adhered waterproofing membrane with a tough cross laminated polyethylene film laminated to an aluminum foil for UV resistance and weatherability.


Features & Benefits

  • UV rated for long term exposure
  • Fully adhered system
  • Aluminum foil facer film for added sealant adhesion
  • Seals around properly installed fasteners

USES Used as a complete waterproof membrane for commercial window and door flashings, skylights, parapet walls, vent stacks, metal buildings. Also used as a system for complete roof coverage on low-pitched and porch roofs, mobile home roofs, RV’s, gutters, valleys and HVAC units. APPLICATION For window and door applications: Apply first piece of Protecto Seal 45 to the rough opening sill; firmly roll into place using a hand roller (J-roller, Laminate roller) to smooth out any wrinkles, air bubbles or creases that would allow water to migrate behind the membrane.


Technical Resources

Safety Data Sheet

Safety Data Sheet