Admin Polyurea


Front Hall of Butcher Shop

On Thursday Ben and I applied polyurethane to all the remaining walls and ceilings of the initial part of the butcher shop, what we call Admin which includes the front hall, inspector’s office, bathroom and initial cutting room a.k.a. iCutter. The picture above shows the front hall. To the immediate left is the inspector’s office, then the bathroom. The doorway to the right leads to the cutting room.

Since then Ben and I applied four coats of white polyurea primer to the initial cutting room as well as two coats in the bathroom and hall. They are now looking very white. A few days ago I mentioned the Inspector’s office being polyureaed such that it now has nice white walls. That was our second major test room for the polyurea. Prior to that we had done the laundry and small test patches earlier this year and last year. The polyurethane seals the concrete and then the polyurea builds up a thick, elastic, washable, durable, tough layer that is also easy to repair in the event of the inevitable need. I say tough, it’s the same material used for truck bed liner but smooth – unless I want it bumpy for traction on floors.

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Bathroom and Shower

In the bathroom I went for an antique plaster look to the walls and the white marble wainscot is real white marble from a quarry near us. There is actually a lot of marble, and granite, in the butcher shop. Sills, spacers for rebar and in the concrete mix as well. The white marble in the bathroom was a large slab that we got for the hauling as waste stone. Ben cut the slab down to an 8’x~3’x~6″ slab which he then sectioned into two pieces so the four of us could hand carry it into the bathroom.


Initial Cutting Room Looking Westward

This end of the room will have the vacuum packaging machine. To the left through the doorway you can see into the hall at the abattoir end where. The black space in that wall is where one of the electric boxes goes for which Will made stainless steel covers.


Initial Cutting Room Looking Eastward

This end of the room will have the breaking table, bandsaw and grinder. The yellow thing hanging from the wall on the left is the 3-phase power for the bandsaw and grinder. There are sockets in the ceiling for lights as well as the recessed lights plus hangers for all the equipment so nothing touches the floor but our shoes. Looking to the right through the doorway into the hall you can see the inspector’s office.

The box in the hall is a dehumidifier – that helps with getting proper adhesion of the layers of polyurea and polyurethane. It runs when we’re not using the monster blower to pressurize the building which creates positive pressure driving the liquid polyurea and polyurethane into the pores of the concrete. These are little tricks I figured out with epoxy which work well with this chemistry as well. Ben sealed up the Admin section tightly and built a number of air ducts from the blower. This also is constantly pushing in thousands of cubic feet of cool fresh air per minute into our work space which is much appreciated.


Frog Tape Test Along Hall Floor Cove

You might note the nice brick arches over the doorways and the faux green marble wainscot in the hall – all purely for aesthetics so we don’t have an institutional look. It is nice to be both functional and pleasing to the eye.

Tomorrow we’ll be doing epoxy patching to catch small pinholes and divots. The goal is a sealed, smooth, non-perferated white wall, ceiling and light grey floor in the processing room so that it is easy to keep clean and sanitary. Then we’ll give it a light sanding to remove fibers that are sticking up, apply one more primer coat and move on to the final polyurea top coat. One of the finishing touches to the paint will be black trim which will help to avoid the infinity cove effect so you can keep your orientation during zero-G maneuvers – important for a room full of people with knives in their hands.

Outdoors: 74°F/55°F Sunny
Tiny Cottage: 66°F/60°F

Daily Spark: Consensus does not prove something is right. There was a time when the scientific consensus was that “The Earth Was Flat” and that the “Sun Rotated Around The Earth” as well as many other things we now consider quaint or just plain absurd.

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About Walter Jeffries

Tinker, Tailor...
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