FlexClad-250™ is a 25 mil, pre-fabricated self-adhering, sheet-type protective membrane. The outer layer is an embossed, UV-resistant aluminum weathering surface. Under the aluminum are multiple layers of tough, high-density cross-linked polymer film. Under the polymer film is a uniform layer of aggressive rubberized asphalt adhesive which sticks directly to metal, insulation facers and most other clean, dry surfaces. The self-adhesive surface is protected by a disposable release liner.


  • Lightweight - easy to handle during installation

  • UV Stable - may be left exposed to the elements indefinitely

  • Ideal for exterior or interior applications

  • Exceeds 25/50 Flame/Smoke rating per ASTM E84

  • Resists vapor transmissions

  • Cross-laminated, durable construction

  • Self-sealing around fasteners

  • Conforms to odd shapes and hard-to-waterproof areas

  • Reduces energy costs and internal temperatures

  • 10-year warranty


FlexClad-250 can be applied over rigid board insulation, cold pipes, plenums, storage tanks, iron, copper, steel, PVC, CPVC and concrete. The product weatherproofs, resists water leaks and vapor transmission, preserves the efficiency of thermal insulation and reflects sunlight to reduce interior temperatures.

FlexClad-250 is designed for exterior, interior or sub-grade use and it may be used in direct burial applications. Due to the lighter weight of FlexClad-250, it is often used to waterproof the bottom of ductwork to enhance the bond between the substrate and membrane.



FlexClad is the ideal solution for your most difficult applications. Significantly less expensive then other jacketing systems, FlexClad offers a level of protection to exceed your expectations. Protect your investment with the one name most trusted in the industry - FlexClad™.


ProductProduct IDSizeUnits/CartonCarton Wt.
FlexClad-250 Aluminum5203636” x 50’132 lbs
FlexClad-250 White5283636” x 50’132 lbs
FlexClad-250 Almond5293636” x 50’132 lbs

FlexClad-250 White and Almond are 1 pallet minimum order products. Slit sizes are also available by inquiring with your sales rep or MFM Customer Service.