Slate types

Roofing · Slate · printed page 13 (PDF page 14)

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Book index entries

Buckingham Slate Pennsylvania Slate Roofing – Slate Types Slate Roof – Typical Life Slate Types Vermont Slate

Text in the illustration

Pennsylvania slate
Vermont slate
Buckingham slate (Virginia)
typical life: 35 to 75 years
typical color: blue-grey, blue-black and black
typical life: 100 years
typical color: light-grey, grey-black, green, mottled purple and green, red (rare) and purple (rare)
typical life: 175 years
typical color: blue-grey to dark grey with an unusual luster

Generated explanation

The illustration presents three individual roofing slates labeled Pennsylvania, Vermont, and Buckingham (Virginia). Each rectangular slate is drawn with layered edges and two fastening holes. The annotations give typical service lives of 35 to 75 years for Pennsylvania slate, 100 years for Vermont slate, and 175 years for Buckingham slate. Color descriptions distinguish the blue-grey to black Pennsylvania varieties, the broader color range of Vermont slate, and the blue-grey to dark grey Buckingham slate with unusual luster. No installation assembly or defects are depicted.

Components

roofing slates slate fastening holes

Materials

Pennsylvania slate Vermont slate Buckingham slate (Virginia)