Home > Gypsum Underlayments > Dura-Cap®

Dura-Cap® Data Sheet Maxxon Green Mark

Dura-Cap Sweets


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:

To smooth concrete slabs, precast planks, or steel deck use Dura‑Cap®.  It's formulated to cap rough, pitted, cracked and out-of-level concrete. In renovation projects, it can be poured directly over old tile and adhesive residue. Dura‑Cap can also be used over vinyl asbestos tile. Consult your Maxxon dealer for more details on this safe and extremely cost-effective method of abatement.

Dura‑Cap, an Eco-Friendly building product, is an ideal solution for sustainable building projects.

Dura Cap is a floor underlayment from Maxxon

Technical Data:

Compressive Strength: Typical range of 2,500 to 4,000 psi (17 to 27.6 MPa)
K-sFactor: 4.76 (Btu · in)/(h · ft² · ºF) (.6854 W/[m · ºC])
*R-Value = depth of pour in inches divided by K-Factor
0.210 at depth of 1"
Specific Heat: .229 Btu/(lb · ºF) at 85ºF (.9595 kJ/[kg · ºC] at 29.44ºC)
Weight: At 1/2", less than 4.8 lbs./sq. ft.
(At 12.7 mm, less than 23.5 kg/m²)
Dry Density: 115 lbs./ft³ (1,840 kg/m³)
Point Loading: Typical loading of up to 4,000 lbs. on a 1"
(1,362 kg on a 25.4 mm) diameter disc
Surface Burning Characteristics: Flame spread: 0
Fuel contributed: 0
Smoke density: 0
VOC Emissions: GREENGUARD Gold Certified

'Green' Information:

Sample USGBC LEED Credit Areas*
Project Credit Category
Environmental Quality EQ 2 Low Emitting Materials
  EQ 4 Indoor Air Quality Assessment
  EQ 9 Acoustic Performance
Materials & Resources MR 3 Building Product Disclosure and Optimization - Sourcing Raw Materials
* Credits may vary depending on project type and Maxxon products used.

Gyp-Crete 2000 is a GREENGUARD certified gypsum floor underlayment 

Dura-Cap is GREENGUARD and GREENGUARD Gold Certified.
For additional information on GREENGUARD from UL Environment, the USGBC, and Dura-Cap's qualifications for earning LEED points, please see our "Go Green" page.

Code Listings:
  • ESR-2540
  • ULEU.R8477
  • ESR-1153
  • ESR-1141
  • ESR-1774
  • HUD951i
  • GREENGUARD Certified
  • GREENGUARD Gold Certified