650 Membrane is a strong, pliable, 60-mil, post-concrete pour self-adhesive waterproofing membrane/vapor retarder that virtually eliminates water and vapor transmission through concrete walls & slabs. 650 Membrane is designed for use on foundation walls, mud slabs, sills and spandrel beams, tunnels, plaza decks, parking garages, and related applications where waterproofing is critical. It may also be used on wood or concrete block structures and insulated concrete forms (ICF). When 650 Membrane is used for balcony applications over conditioned space, Polyguard’s Dual Core System is required. See the 650 Membrane Balcony Detail for assembly requirements.

650 Membrane is available in the following sizes: 36″ x 66.7′ and 48″ x 50′ rolls.

Polyguard 650 FAQ

• What is Polyguard 650 used for?
  Polyguard 650 is a self-adhesive waterproofing membrane designed for foundation walls, below-grade structures, and other applications where long-lasting moisture protection is required.
• How do you install Polyguard 650?
  The membrane is applied to a clean, primed substrate. Overlaps should be rolled tight, and detailing at corners, penetrations, and terminations should use Polyguard detailing products for a watertight seal.
• What’s the difference between Polyguard 650 and 650 LT?
  650 LT is a low-temperature formulation, designed for easier application in colder climates.
• Do I need an adhesive or primer?
  Yes. Polyguard 650 requires a compatible primer (such as Polyguard 650 WB, 650 LT, or California Sealant) to ensure full adhesion to concrete or masonry surfaces.