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.
Installed average seamless aluminum gutter costs will vary with total gutter length, building height, labor rate, and the number of corners, hangers, and downspouts. For a two-story home the cost will increase by downspout sections and any increase in installation preparation or equipment such as scaffolding not included here. 2  Removal of old gutters by contractor will cost around $0.61 per foot. 3  Professional gutter cleaning will cost approximately $75 for a single service.