Flex Fill - Liquid - 2 Gallon Kit - Crack & Joint Filler

Flexible Epoxy Crack and Joint Filler
SKU: Flex Fill LQD 2 GA Kit
Weight: 28 lb
Dimensions: 14 in × 8.5 in × 7 in
Product Description: 

Flex-Fill is a 100% solids, two-part liquid epoxy joint filler specifically formulated to meet the punishing demands of today’s industrial floors.  Flex-Fill is used to fill and repair joints and cracks subjected to hard wheeled traffic and will provide for a flexible and  durable surface.  Flex-Fill is flexible and resilient and will help protect floor cracks, saw-cut and control joints from cracking or spalling of the joint edges.  Flex-Fill can also be mixed with sand and applied as a coating for a resilient non-skid surface. 


  • Easy mixing & pouring
  • Self-leveling
  • Bonds to damp surfaces
  • Excellent chemical and wear resistance
  • Non Shrinking


  • Joint and crack sealing and repair
  • Flexible Membrane Coating
  • Resilient Repair Mortar
  • Waterproofing Membrane
Application Instructions: 

Floor Joints

  1. Clean surface by sand blasting or grinding to provide clean and open surface.
  2. Thoroughly mix measured amounts of 1 part of Part-A Resin with 1 part of Part-B Hardener by volume until streak free.  Scrape side and bottom of pail frequently during mixing to insure a good mix. Mix only enough that can be applied in 45 minutes. 
  3. Pour Flex-Fill into joint flush to surface.
  4. Excess material can be removed with a razor knife after 3-4 hours of cure.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 

Membrane Coating

Spread mixed epoxy with a notched squeegee and back roll with a 3/8” nap roller to desired coating mil thickness.  Broadcast silica sand into wet coating for additional abrasion resistance or aluminum oxide into wet coating for skid resistance if required.


Flex-Fill is available in 2 kit sizes:  2 Gallon Kits and 10 Gallon Kits.

Polygem, Inc. warrants its products to be free of manufacturing defects and that, at the time and place of shipment, our material will meet current physical properties when applied within Polygem’s directions and tested in accordance with ASTM and Polygem standards. Polygem, Inc’s liability is limited to replacement of material found defective. As Polygem, Inc. has no control over the use to which others may put its products, it is recommended that the product be tested to determine if suitable for a specific application and/or our information is valid in a particular circumstance. Responsibility remains with the architect or engineer, contractor and owner for the design, application and proper installation of each product. Nothing contained herein shall be construed to be a recommendation to use or as a license to operate under or to infringe any existing patents.

Data sheets are subject to change without notice.