This page contains answers to common questions handled by our support staff, along with some tips and tricks that we have found useful and presented here as questions.
I am specifying your Precision Coatings metallics in a hotel that can’t be shut down. Does Precision Coatings make a low odor metallic Coating?
Precision PC6 finish coat and DTM1600 primer are LEED compliant, waterborne, pre-reacted polyurethane coatings that provide a high grade finsih, excellent durability and can be applied in occupied structures. A well known, very high end Las Vegas resort hotel is currently using PC6 on the remodel of a major restaurant due to the low odor, outstanding appearance and srub resistance of this outstanding single component polyurethane.
Metallic and iridescent coatings such as PC3v100 and PC6 require greater concentration to apply correctly than solid colors as the metallic (aluminum flake) or iridescent particles (mica) nust orient correctly to reflect light back in an even manner. Precision Coatings provides Guidance for the Application of Metallic and Iridescent Coatings.
How do I mix Amerlock?
Amerlock must always be drill motor mixed in order to properly cure. Use an explosion proof drill motor with a Jiffy mixer to mix each component until you have a homogenous material. Mix the two components together with the drill motor mixer to achieve a homogenous blend of the two materials. This may take several minutes. Immediately start the application of the material upon attaining a homogenous blend.
Where can I find application data for each of PPG Protective and Marine Coatings products?
Application data on each of PPG PMC’s products can be found on the product data sheets. PPG Protective and Marine Coatings data sheets are available on the PPG PMC website.
How is the application of metallics different than the application of a solid color?
Precision Coatings has produced an application guide for metallic and iridescent coatings that is useful to the applicator who has experience with opaque coatings but has never applied metallic coatings.
I am planning on coating a concrete floor with Amerlock 2/400, what do I need to do in terms of moisture testing and surface preparation?
The first thing to do prior to coating a concrete floor is to check that the floor is not transmitting too much moisture. You can easily check the floor with an 18″ sheet of visqueen. Tape the edges of the visqueen sheet to the floor with duct tape to ensure a good seal. After 24 hours, pull the visqueen sheet off the floor and compare the concrete that wasn’t covered with the plastic sheet to the concrete that was covered. If the color of the concrete that was covered is darker, moisture transmission is too high to allow the floor to be coated with a non-breathing coating such as Amerlock. If the color is the same, you can proceed with surface preparation.
In order for a coating to adhere to concrete, the laitance, unattached cement dust, on a smooth troweled floor must be removed. We recommend the laitance be removed mechanically through diamond grinding or shot blasting the floor. Both methods will remove the laitance and prepare the concrete to be coated.
On concrete floors we generally recommend the first coat of Amerlock 2/400 be applied at 150 Square feet per gallon. You can apply the second coat at 170 square feet per gallon. If you need to add aggregate to the floor for slip resistance we recommend you add a blend of 36 mesh to 50 mesh aluminum oxide and broadcast that into the wet Amerlock 2/400 on the second coat. When cured, gently brush the unattached aluminum oxide off the surface being coated. Apply a third coat of Amerlock 2/400 over the top of the second coat at 170 square feet per gallon. Allow the floor to cure at least 48 hours at 70 degrees Fahrenheit prior to allowing wheeled traffic over the top of the floor.