UL
(Underwriters' Laboratories) |
An independent testing agency
that checks electrical devices and other components for possible
safety hazards. |
Undercoat |
A coating applied prior to the finishing
or top coats of a paint job. It may be the first of two or the
second of three coats. Sometimes called the Prime coat. |
Underground
plumbing |
The plumbing drain and waste lines
that are installed beneath a basement floor. |
Underlayment |
A _" material placed over the subfloor
plywood sheeting and under finish coverings, such as vinyl
flooring, to provide a smooth, even surface. Also a secondary
roofing layer that is waterproof or water-resistant, installed
on the roof deck and beneath shingles or other roof-finishing
layer. |
Union |
A plumbing fitting that joins pipes end-to-end
so they can be dismantled. |
Utility
easement |
The area of the earth that has electric, gas,
or telephone lines. These areas may be owned by the homeowner,
but the utility company has the legal right to enter the area
as necessary to repair or service the lines. |
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