Q. Can you give me some suggestions on strip and wax for 42,000 sq. ft of tile?
A. There are several variables that will affect your production time - including the experience of your crew. JanBid Estimating Solutions shows five additional variables that will also affect your job time. They are: size and speed of your machines (such as an 18” floor machine and a wet vac, or a 30” counter rotating propane stripping machine and large autoscrubbers), amount of furniture to move, edge buildup and discoloration, approximate number of coats of finish or buildup (5 or 15) and if the floor is primarily one large area or comprised of small and congested rooms.
With this in mind, your labor could run as high as 160 hours, but that’s unlikely unless the facility is a medical clinic with 10 X 10 exam rooms. Production times in the 200 sq. ft. per hour range include edging small rooms and using a standard floor machine and wet vac. Your question did not specify the size of rooms or if you can use high production equipment. With large rooms and high speed equipment, your labor would likely be down to 70 hours. In fact, if it is all one large area, with light buildup, no furniture and the highest speed equipment available you could be below 60 hours. Again, the size of your equipment and the other four variables will dictate your final time.
There is another factor that cannot be determined without an accurate history or a removal demo. Does the floor have any type of a permanent sealer applied? If so, this could result in a double or triple strip. You may require 70-85 gals. of stripper after dilution. And 5-6 coats of finish would probably use 80-95 gals (depending if you apply it with a wet mop or microfiber dust mop or automatic application device.
The job layout and equipment will dictate the number of workers you can use. If the job took 60 hours and you ran a 5 man crew, that would come out to 12 hours labor each. However, on a job this large without extensive experience, you may want to recruit an experienced subcontractor.
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