Mastic is a lot of things, in basic it is an aggregate and a binder, this could be thin set, mortar, adhesive, asphalt, concrete,
spray patch, poly flex, gap, etc. etc. etc..
What is mastic in terms of pavement preservation?
It is a patching material made of polymer modified asphalts (sealants) and aggregate. Aggregate is generally specifically
sized and engineered stone. The C1 uses locally source specified stone aggregate and polymer modified asphalts (sealants) to
make a polymer modified stone matrix patch, MASTIC, which can be made simply to the specific characteristics of any job
requirement. Yes, the C1 can make mastic patch.
Material manufacturer(s) say that you cannot make your own mastic, is this true?
It is very difficult to make your own mastic by mixing sealant and rock. If the rock is not dry and heated to match the
temperature of the sealant it will not bond or mix properly. The C1’s patent pending technology is the only machine on the
market that can field mix mastic on demand effectively and efficiently. Different sealants provide different pathing
characteristics. What is produced from the C1 is a mastic patch that is polymer modified stone matrix asphalt. Yes It can be
Material manufacturer(s) say that the sealant is much different in mastic than crack filler sealant.
Plymouth Industries paid an independent lab to test the material makeup of the sealant in a block of prepackaged
mastic. We compared it to 2 sealants, a baseline Type and a premium Type. The sealant in the block of mastic matched up
almost identically with the baseline Type 1 sealant. Your sealant dealer can help you with this. We agree that all mastic
patches are different because only in this method is the user able to control polymer modified stone matrix asphalt
characteristics. Both sealant and aggregate stone matrix can be adjusted for the qualities the job requires.
What sealant would be best to use in the C1?
You should start with the sealants approved for use by your local state our county as they are already approved to work
well in your climate. The most premium crack sealants will last longer in mastic patches just as they do as crack sealers.
Preparation should follow best practices of crack sealing. Patch life should be expected at 3 to 6 years.
What aggregate can I use in the C1?
The C1 is a flexible machine that can use many different kinds of aggregate. You can always start with the aggregates
approved for roadways by your state or county as they are already approved to work well in your climate. A fractured
aggregate of 1/8” size is most common. Smaller aggregates are easier to work with and create smooth transitions between
patches and pavement. Larger aggregates can be used for deeper potholes and/or base lifts for deep potholes. Aggregate
with fines will work, they just require a greater ratio of sealant to rock than aggregate without fines. This adjustment is simple
and can be done in seconds on the C1 once the proper aggregate is loaded.
Have more questions - Call us on +44 (0)1908 281145
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