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This collection of frequently asked questions (FAQ) provides brief answers to many common questions about MATCRETE Decorative Concrete Products and stamped concrete tools in general.

  I am a concrete contractor, interested in exploring other trades such as stamped concrete. How do I stamp concrete?  
  Stamped Concrete is a skilled trade. It requires a whole different set of knowledge and skills aside from normal placing and finishing of concrete. To learn more about stamped concrete, click here.  
  Why is stamped concrete preferred over other types of materials?  
  Stamped concrete provides a realistic appearance that has a look and feel indistinguishable from natural materials. To compare stamped concrete to other materials such as pavers and asphalt, click here.  

How many stamps will I need to for my project?


PATTERN STAMPS - It is important to maintain the alignment of pattern stamps and to gauge the depth of their impression. Each stamp should have a neighboring stamp at all times to accommodate this principle. The general rule is to have enough stamping mats that will extend across the full width of the area to be stamped plus a couple of additional mats to start the next course. For every (6) rigid stamps, we recommend at least (1) super flex stamp and (1) small seamless texture skin.


SEAMLESS TEXTURE SKINS - Our skins are available in three sizes; large, medium, and small. A minimum of (4) large, (1) medium, and (1) small is recommended for most projects.


What is a Super Flex stamp?


Super Flex stamps, also referred to as "floppies" are produced at one third less the thickness of a rigid stamp and designed with a softer, more flexible polyurethane; these handy accessories can be bent to a 90 degree angle and allow for pattern completion up against walls, steps, columns and other areas that can impede production. We recommend at least (1) super flex stamp for every (6) rigid stamps. *Super Flex Stamps do not include handles.


What are Seamless Texture Skins?

   Unlike pattern stamps, Seamless Texture Skins have feathered edges which are intended to overlap each other to produce a non-directional, textured finish without grout lines, joints, or seams.  




  Why do some stamp patterns have a choice of different color mats?  

There is a slight variation in the pattern from color to color to create a more natural look as they interlock correctly. We use color coding to make it more convenient for you. There is no set color order when placing on your concrete, although we recommend not placing the same color stamps next to each other. When a pattern has more than one color we recommend that an equal amount of each color is purchased to assure the more natural look. 


When can sealer be applied to new concrete?
New concrete should be cured at least 28 days, prior to application of sealer. Surfaces must be dry, porous and free of foreign contaminants.

  How often does concrete need to be re-sealed?
Depending on the amount of traffic and weather conditions, stamped concrete should be re-sealed every 12 to 36 months.
  What is VOC?  
  VOCs or volatile organic compounds, are emitted as gases from certain solids or liquids, such as concrete sealers.

If you plan to use a solvent-based sealer, be sure to check the volatile organic compound, or VOC, content of the product to make sure it doesn't exceed acceptable levels in your area. The federal government as well as state and local agencies have mandated certain maximum allowable levels of volatile VOCs that concrete sealers are permitted to contain. Certain states default to the federal mandates while some set their own. At the local level, some counties and air-management districts set their own maximum VOC levels. Click here for a chart of VOC Regulations throughout North America.
  Will MATCRETE stamps work for overlay applications?  
  MATCRETE stamps can be used for a number of applications including stampable overlays. The thickness of an overlay application will be determined by the maximum relief of the desired stamp. The specification for "Maximum Relief" as well as other criteria for all MATCRETE stamps is listed throughout our website. (See example below)  



6" x 7-1/2" up to 12" Granite 90˚ V 1/4" 1/4" 1/4"
  How do I determine the amount of Integral Color that I will need for my project?  
  Multiply the color's dosage rate by the sack content of your mix design. Multiply that number by the amount of yards you are coloring for your grand total. For Example: Dosage Rate - 1.5 lbs. / Mix Design - 6.5 sacks of cement per yard / Total Yards - 20 (1.5 x 6.5 x 20 = 195 lbs.)  

How do I clean my stamps? 


Stamps can be cleaned using a solution made from water and liquid dish soap. Scrub stamps using a soft brush and cleaning solution. Be sure to dry stamps off prior to storing.


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