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4195 accelerator 1 Year, 11 Months ago
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On Day 1 of a 2-3 car epoxy garage floor job I use 2 experienced guys to prep the floor, tape off edges and cabinets, put down the 4195 and do the chips. Prep virtually always includes crack and hole repair with Divot Patch, which takes about 30 minutes or so to set up before grinding, a V100 wash with drying time and/or grinding off a glazed or painted surface that fails the water test.
They usually finish up by about 3PM . . . after starting at 8AM. Even with a 3 hour cure time using the 4195 accelerator, there isn't enough time (or light during most of the year) to scrape/sweep/blow the surface and lay down an even coat of 5073.
Unless I had 2 nearby jobs per day so my guys could work on another job during curing times for the first job, I don't see any advantage to using the accelerator.
Patrick
California Concrete Restoration
Laguna Hills, CA
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Re:4195 accelerator 1 Year, 11 Months ago
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We no longer use 4195 without the accelerator. It's been at least 2-3 years since we have done 4195 without accelerator. I'll check my purchasing records to determine when we started but I cannot foresee not using the accelerator for any reason.
As I indicated in our before, the polyaspartic users do two coats and chip in to the second coat while we chip into the 4195 coat and it's basically a 2 hour dry depending on air and floor temperature. This allows our one coat application (base coat with chips) to soak in and wick versus their two coat application which dries to fast to wick, not to mention whether or not their basecoat will hold to the clear coat they chip in to. What we really like is that a job can be finished in 6 hrs, even here in the north!
Polyaspartic basecoat floors will not work based on what I have seen. I think they trap too much air and lack in the adhesion that is required to last long term. But I am not a scientist or chemical formulator!
Bob Reinink – Owner
Take it for Granite, Grand Rapids, Michigan
Bob Reinink
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Re:4195 accelerator 1 Year, 10 Months ago
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Bob,
Thanks for your feedback on the 4195 accelerator.
Glad to hear that you are able to put down most garage jobs in 6 hours. In Southern California, most of the garage floors fail the water-spill test for porosity. In addition to crack repair and waiting for Divot Patch to cure, it takes us about 2 hours to diamond grind a 2-3 car garage.
After that it takes us about an hour or a half or so to do the stem walls and main floor with 4195 and chips. Then we wait for 3 hours while the 4195 with accelerator cures.
By that time in the day we are 6 hours down and still have not scraped and cleaned up excess chips and started to put down 5073. It's usually too dark to see what you are doing to lay the 5073 evenly.
As a result, most of my 2-3 car garage jobs end up being 1 1/2 day jobs.
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I am using the 4195 accelerator on a 2250 sq ft vet hospital job. They have 5 small rooms (100 ft or less) which I planning to get epoxied/chipped/sealed in one day so we can work on the larger area the next day. Each of these 5 rooms have a different colored chip and 4195 base coat. It is a challenge.
Patrick
California Concrete Restoration
Laguna Hills, CA
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Re:4195 accelerator 1 Year, 10 Months ago
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Patrick,
Up here in the North East we use the accelerator in the spring and fall months when the temps dip below 60 or so. Sometimes we will use just one can of accelerator on warmer days to help with the set.
The floors we do here are usually in rough shape. We have only done 2 projects that were completed in one day each and they were both smaller sq. ft. jobs. They also did not require much patching.
We can usually start 2 jobs at once, day 1 we diamond grind, powerwash (especially badly pitted floors) and then patch. By the time both floors are prepped the day is over, if prep is quick we can get flakes down in the first garage.(no accel) Day 2 starts with flakes in the second garage, then topcoat in the first, etc.
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