Underlayment fastener
I'm replacing the vinyl floor in our kitchen with a porcelain tile
floor. When I removed the old vinyl and the particle board
underlayment I found it was fastened with a fastener type that I
hadn't seen before.
The fastener is shaped similar to a letter "L" and has some small
ridges on the long leg. What kind of fastener is this and what are
they called?
G.S.
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