What is Cork Spray?

Cork spray provides environmentally-friendly insulation for your California home. It’s more durable than paint—cork spray loses about 1% of its durability each year, while paint typically loses 10%.

Cork Shield Material Has Several Applications, Including:

  • Top coat for stucco, for both new builds and existing stucco
  • Insulation for tanks, silos, and other containers
  • Top coat for siding
  • Protective coating for timber frames
  • Top coat on bricks and cement for better appearance and durability
  • Multiple applications on roofing and metal
  • Protection against moisture and condensation

Our manufacturer ensures that the use of a continual spray for buildings, exterior walls, and other application sites meets the requirements of the Technical Code of Construction.

Cork Shield Has Multiple Test Certificates:

  • Test for external fire exposure to roofs: method with burning torches in accordance with UNE-ENV 1187:2003
  • Test for external fire exposure to roofs: method with burning torches in accordance with UNE-ENV 1187:2003
  • Reaction to fire classification B-s2,dO
  • Reaction to fire test in accordance with UNE-EN 13823:2002 en UNE-EN ISO 11925-2:2002
  • Thermal conductivity
  • Reaction to fire classification Broof(t1) UNE-EN 13501-5:2005
  • Difference in color after aging in accordance with UNE-EN ISO 4892-3:2006


  • Pull-off test for adhesion UNE-EN ISO 4624:2003
  • Determination of water vapor
  • Transmission properties UNE-EN 12086:1998
  • Determination of modulus of elasticity in bending and of bending strength UNE-EN 310-1994
  • Determination of dimensional stability under specified temperature and humidity conditions UNE-EN 1604-1997
  • Determination of compression behavior UNE-EN 826:1996


  • Determination of tensile strength perpendicular to faces UNE-EN 1607-1997

Contractors and Building Owners Alike Appreciate That Cork Spray Is:

  • Resistant to water, condensation, and mildew
  • Energy efficient
  • Hypoallergenic
  • Sustainable
  • Flexible
  • Thermal and acoustic insulating
  • Maintenance-free
  • Durable
  • Breathable
  • Lightweight

In addition to providing protection, cork spray can improve your home’s curb appeal. Choose a pre-made color, or opt for a custom color!

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