Now, wait a minute here. Even if I look at www.expoxysystems.com , I find
their recommendation for this application is not epoxy, but a 2-part
polyurethane coating. Both their product and what he used have abrasion
resistance of 30-40 mg under ASTM-C501, and are used in warehouses and
aircraft hangers. Nor have I seen any other types of products to use for this
application, other than modified acrylics which can be very similiar.

I've used urethane on wood floors, and have also successfully patched areas
that were scratched and scraped, and had that last for years. The problems
I've seen tend to stem from using the wrong formulation, or incorrect
application.

Examining the floor he did, I felt a number of nibs sticking up, and the
surface just didn't feel very hard. Questioning him further this evening may
have shed some light on this issue.

Although they appear clear, many of these formulations require a considerable
amount of mixing, often power mixing. They are also more sensitive to film
thickness, temperature and humidity. It now appears he barely stirred it,
applied it too thick, and at maybe 100 deg F (or more). Manufacturer suggests
3-4 minutes of power stirring, a 3/8 roller, and temp of 60-85 deg.

I think he's got a lot of scraping and sanding ahead.

So, if somebody is either familiar with this particular product (Sonothane) or
has some other suggested treatment, I'd love to hear from you.
GerryG


On Thu, 09 Sep 2004 01:24:31 GMT, patriarch patriarch wrote:

Andy Dingley wrote in
:

snipped

I think he's screwed. Serves him right for using poly in the first
place. Here's a clue: If you do dumb stuff without asking for advice
_first_, you get to live with your mistake afterwards.


And if you do dumb stuff, in spite of asking for AND RECEIVING good advice,
you get to live with your mistake, and the knowledge that you did dumb
stuff anyway. DAMHIKT.

Patriarch