Jaeger USA Below Grade System

Pre-Applied Waterproofing Sheet Membrane

Doubleflex Fully Bonded Sheet Membrane is a self-sealing system​ for an installation process without the need for chemical-based construction sealants. It achieves its full sealing function in combination with freshly poured wet concrete (F4-F6).​


Doubleflex is used for damp-protection, waterproofing, and concrete protection for basements and other below-ground concrete structures against groundwater.

• Foundation Walls

• Basements

• Tunnels

• Garages

• Below Grade

• All other Concrete Constructions

Doubleflex Fully Bonded Sheet Membrane

How Does it Work?


  • For the waterproofing of basement walls, tunnels, garages, where structures have to be protected against groundwater and seepage.

  • The 2-ply membrane consists of a needle-punch non-woven and FPO high-performance waterproofing membrane.

  • Additional butyl adhesive strip along one side (100 mm).


Below Grade Sealing System

When installed to industry standards Jaeger USA's Below Grade Sealing System creates long-term benefits to extend the integrity of a structure.


Jaeger USA’s waterproofing membrane is specifically designed and engineered for use with ICF Technology (Insulated Concrete Forms). It is also an excellent choice for use on poured walls, CMU (Concrete Masonry Unit) foundation walls, and related applications where waterproofing is critical.

Accessory Component Details

Doubleflex Fully Bonded Sheet Membrane

Advantages | Benefits

Protection Against Water Migration

Jaeger USA Doubleflex Sealing System creates a waterproof barrier that helps to prevent expensive leaks and mold growth due to moisture penetration.

  • One-time waterproofing system.

  • No additional chemistry/adhesives 

  • Economical application.

  • Same material for use on walls and floors. 

  • Accessory components

  • Installation temperature  50°F - 104°F

  • Fresh concrete max 86°F

The bond begins when the non-woven comes into contact with fresh concrete.

Onsite Project Pictures
  • Facebook
  • LinkedIn
  • Twitter
  • YouTube
  • Pinterest
  • Tumblr Social Icon
  • Instagram
  • Thomas Verified Supplier
Product Finder

Find detailed information about our products and solutions as well as direct product contacts for North America.

Sites and Contacts

Need to speak to someone about a product or reach one of our sites? Have a question or a comment?

Looking for a Trusted Brand Partner?
Contact us today.
What Product Family Are You Looking For?

Jaeger USA, Inc.

198 Pickering Road

Rochester, NH 03867

(603) 332-5816

©2021 by Jaeger USA Kate Putnam

198 Pickering Road

Rochester, NH  03867 USA

Please see Technical Data Sheet (TDS) for the most current product information. Actual products may vary based on manufacturing location. 

User-agent: * Allow: / # Optimization for Google Ads Bot User-Agent: AdsBot-Google-Mobile User-Agent: AdsBot-Google User-Agent: /_api/* User-Agent: /_partials* User-Agent: /pro-gallery-webapp/v1/galleries/* Sitemap: https://www.jaeger-us.com/sitemap.xml !-- Begin WebTrax -->