GFRC - Glass Fiber Reinforced Concrete Backer Mix (50 lbs)

GFRC - Glass Fiber Reinforced Concrete Backer Mix (50 lbs)

 GFRC Extra Glass Fiber Reinforced Concrete Backer Mix 

Concrete Backer Mix is a high fiber, hybrid GFRC, dual component pre-blended bag mix. It is not a “stand alone” mix, but is designed to be used in conjunction with XS Face or XS Precast. This high early strength, intense load of Glass AR fiber adds immediate structural integrity to any precast concrete such as Xtreme PreCast, Xtreme GFRC Face, and in projects when necessary even Xtreme Terrazo. Use of Xtreme Glass Reinforced Concrete Backer Mix is ideal for applications that require longer, thinner, and reduction of weight to help alleviate the typical constraints of precast concrete. XS Glass Reinforced Concrete Backer greatly reduces the materials and labor required to construct traditional precast concrete. 


 50 lb (22.7 kg) bag

0.5 lb (227 g) Color Pack (2 required)


1 gal (3.8 L) Xtreme Precast Modifier to 1 – 50 lb (22.7 kg) bag of XS Backer + up to 40 oz. (1.1 L) water COVERAGE 1 - 50 lb (22.7 kg) bag  approx. 9.8 ft² @ ½” (0.9 m² @ 12.7 mm) 7.2 ft² @ ¾” (0.64 m² @ 19 mm) OR 0.43 ft³ (0.01 m³)

Xtreme Concrete Backer Bag Mixmay be applied:


·         Solid Piece Residential Kitchen Counters

·         Thin Edge Coffee & End Tables

·         Large Fascade Dining Tables

·         Bathroom Countertops

·         Polished Bath Vanity Sinks

·         Custom Architectural Pieces

·         Custom Floor Tiles

·         Commercial Counters

·         Service Industry Bartops and Counters

·         Custom Furniture

·         Free-Standing Bathtubs

GFRC - Glass Fiber Reinforced Concrete Backer Mix (50 lbs)

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  • Product Code: XCTB
  • Availability: Out Of Stock
  • $41.35
  • 56 or more $31.90
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