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Maxxon® Crack Supression Mat (CSM)Maxxon Green Mark and Maxxon® Reinforcement (MR)


Maxxon® Corporation
920 Hamel Road
P.O. Box 253
Hamel, MN 55340
Phone: 1-800-356-7887 or (763) 478-9600
Fax: (763) 478-2431

Product Description:

Maxxon® CSM and Maxxon® MR are reinforcement products used in conjunction with Maxxon Underlayments and Acousti-Mat Sound Control Mats for crack suppression and to reduce underlayment pour depth. Conditions such as potential movement of the subfloor - which could cause underlayments or hard surface floor goods to crack - have typically been handled by installing metal lath prior to the underlayment pour. Although lath is difficult to install and its cost has been rapidly increasing, there haven't been any reliable, more cost-effective options - until now.

Maxxon CSM consists of a core of fused, entangled polymeric filaments bonded to a geotextile fabric on one side. Maxxon CSM provides a cost-effective crack supression alternative to metal lath and can also be used to reduce the depth of underlayment topping a sound control mat. Its strong fibers, containing 40% post-industrial recycled content, provide an excellent reinforcement for a variety of floor systems. Maxxon CSM provides is a "Green" building material and can help contribute points towards LEED® certification. Click here for additional information on our "Green" products.

Maxxon MR is a light, highly durable, no memory alternative to metal lath. Composed of a PVC coated non-woven fiberglass grid, it is dimensionally stable in hot weather and does not become brittle in cold weather. Long rolls save time and money by reducing installation time and material cost over conventional galvanized metal lath. Maxxon MR is made in the U.S.A. with raw materials from the U.S.A.

Maxxon CSM


gypsum underlayment over crack suppression

  • Provides reinforcement for underlayments and hard surface floor goods
  • Available with water resistant fabric
  • 40% pre-consumer recycled content
  • Always a "green" building material
  • May help contribute points toward LEED® project certification
  • Maxxon CSM may be used:
    • To reduce underlayment thickness to 3/4" (19 mm) over Acousti-Mat II or 1" (25 mm) over Enkasonic systems *
    • To replace metal lath on Acousti-Mat 3 systems *
    • In conjunction with any Maxxon Underlayment *
  • Also:
    • Under radiant floor heating tubes
    • Under radiant floor heat cables

* Application received the "EXTRA HEAVY AND HIGH IMPACT USE" rating from the Tile Council of North America

Technical Data:
Thickness, nominal: 0.4" (10.3 mm)

Maxxon MR

  • Excellent durabilitygypsum underlayment over crack suppression
  • Light - easy to handle
  • No memory (unlike metal lath)
  • Dimensionally stable in hot weather; not brittle in cold
  • Can be used over wood, concrete and precast plank
  • Maxxon MR may be used:
    • To reduce underlayment thickness to 3/4" (19 mm) over Acousti-Mat II or 1" (25 mm) over Enkasonic systems
    • As reinforcement on an Acousti-Mat 3 system
    • In conjunction with any Maxxon Underlayment
  • Raw materials from the U.S.A
  • Made in the U.S.A.
  • Also:
    • Above radiant floor heating tubes
    • Above radiant floor heat cables


Technical Data:
Thickness, nominal: 0.015" (.38 mm)
Roll width: 46.5" (118.1 cm)
Roll length: 450' (137.1 m)
Roll diameter: 9.5" (24.1 cm)
Roll weight: 65 lbs (29.5 kg)
Roll yield: 1,744 ft. sq. (162 m. sq.)
Grid Property:
Glass Construction (visual/in)
Test Method - ASTM D-3775
Machine Direction
Cross Machine
Scrim Weight:

0.034 psf (0.166 kg/m. sq.)

Tensile (lbf) (2 ends)
Test Method - ASTM D-5035
Machine Direction
Cross Machine
Width (inches)
Test Method - ASTM D-3774


Values listed above are nominal and are only to be used as guidelines.

Code Listings:
  • ESR-2540
  • ESR-1153
  • ESR-1141
  • ESR-1774
  • HUD951i
  • City of Los Angeles