By ANSI Standard Specification A137.1 Metropolitan Ceramicsâ unglazed tile is classified as quarry tile, however, the exceptional technical characteristics noted enable them to be used in virtually any application suitable for ceramic tile. Metropolitan Ceramicsâ unglazed tile meets both the ASTM standards, the ANSI
Thickness is rated differently, depending on the material used. A thicker gutter system will be sturdier, more durable, and more expensive. Aluminum systems range from .019 to .032 inches in thickness. Copper is usually rated in weight, with a heavier weight indicating greater thickness. It is common to see 16-ounce and 20-ounce options for copper systems.
Price included removal of old gutters (free), 130' of 6 seamless aluminum white gutters ($4.50 per foot) with black leafree gutter guards($5.95 per foot) and 92' of 3x4 aluminum downspouts-6 downspouts of varying lengths($3.95 per foot). Do-it-yourself materials average $350-$500 for 120 feet and $450-$850 for 250 feet. 2  Aluminum is fairly easy to maintain but it dents more easily than other gutter materials and expands (moves due to temperature changes) significantly more than other metals.