| Copper |
is measured in ounces per square foot, i.e. 20 oz, 48 oz, etc… |
| 20 oz copper |
is 1.25 lbs per square foot and is prox .027” thick – this is generally used for gutters, flashings and architectural details. |
| 48 oz copper |
is 3 lbs per square foot and is prox .062” thick (almost 1/16”) – generally used for welded hoods and countertops.
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| Pre-textured hammered copper |
is 16 oz (1 lb per square foot) and is only available in 3’x10’ sheets. This is generally used for decorative purposes, although you can use it for a countertop in some cases (corners cannot be welded, must be soldered). |
| Stainless steel |
is measured in gauges (ga). 16 ga stainless is generally used for welded hoods and countertops. |
| Vibration finish |
is achieved by taking a sanding wheel to the metal and grinding on it – this produces a matte finish. Another advantage is that scratches do not stand out as they would on a standard finish countertop with a warm glow. |
| Stretch forming |
is a process in which a heavy gauge (48 oz or 16 Ga) gutter is “stretched” to fit the desired radius. Typically, you get between 5’ and 7’ sections of gutter. It is a much cleaner look than a hand-mitered gutter. |
| Standing seam |
is a 1” tall joint (typical size – different sizes available), typically used on copper panel roofs, but also on bay windows, light gauge kitchen hoods and deco tops. |
| A miter |
is an intersection of 2 pieces of metal (generally where gutter wraps around a 90 degree bend). This joint is lapped, riveted and soldered or sealed. |
| A profile end cap |
is where you have a miter wrap around a corner instead of stopping at the corner. |
| Patina |
is the natural or accelerated process of aging copper. Some people wish to have the “old” look right away and have a green or brown finish applied before installation of the finished product. |
