You are using an outdated browser version not supported by this website.
Click here to upgrade your browser

Cem-Gon Concrete Splash Removal

Cem-Gon will remove concrete slurry, grout and plaster splashes from substantial intact construction materials including aluminium powder coated joinery, asphalt, stainless steel and copper.

Cem-Gon is a non-hazardous/non toxic formula prepared from natural and organic chemistry ingredients.

NZ-Owned Business
NZ-Owned Business
Scope of Use

Application Instructions:

  • To remove cement based product splashes liberally apply undiluted CEM-GON from a spray bottle.
  • Keep a constant application of CEM-GON to the reacting surface while CAREFULLY working the solids with a hand held spatula over 5 to 15 minutes.
  • Also use a blunt broad knife (25-30mm width blade) wit plenty of water flowing over the splash whilst lightly shifting any remaining residue. 


Limitations on Use
  • Take extra care removing final layer of cement matrix to AVOID surface abrasion. Patience is the key. Rinse well with water.
  • Caution: Age paint systems, take extreme care to avoid further deterioration during all processes. If in doubt take photographs or appoint an assessor.
  • Protect all other concrete or cement based products, fibrolite, limestone, marble, plaster and gib surfaces.
  • Recommendation: Do a test patch 1 hour prior to starting.

Storage and Handling:

  • It is recommended that CEM-GON be placed in secure storage, labeled and out of reach of children.
  • All containers must have securely fastened lids or caps.
  • Care must be taken to avoid spills.
  • During handling of CEM-GON protect hands and eyes from contact.
  • Use plastic sheeting on floors.
  • Protect clothing material.
Material Safety Data Sheet

Since being established in 1999, Masons has become a key supplier in the New Zealand building industry, offering a variety of quality products and tools for a whole range of building requirements.

Product Enquiries

News from Masons

Scheduling Construction Made Easier with UNI PLUS Flexible Air Barrier
From Weather-Resistive Rigid Air Barrier Systems to Fire and Acoustic Rated Intertenancy Wall Systems
Acoustic and Fire Rated Intertenancy Walls That Go Up Easily
Get a free weekly digest of essential news

New and updated architectural products, design solutions, inspiration, technical advice and more when you sign up for EBOSS.