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Slate Roof Lifespan Natural slate roofs are well known to have a lifespan of hundreds of years with little to no maintenance. There are slate roofs today, still functioning, that are multiple centuries old. On the other hand, even with proper maintenance, wood-shake, asphalt shingle, and concrete tile roofs are known to last only 20 […]
The ASTM or American Society for Testing and Materials. Roofing slate standards are set by the ASTM International, an independent standards organization. Since 1957 the ASTM has established a consensus for building material standards. The ASTM C406 is the world-wide “Standard Specification for Roofing Slate”. It addresses material characteristics and physical properties of the roofing slate, among other things […]
Is Natural Slate Roofing on the Decline? An Industry Split in Two: The Lightweight Slate Roofing industry is now well developed, and there are many companies offering a multitude of products. They all claim to be the “best alternative to traditional slate roofing”. There are two main categories within this industry. You have the synthetic slate […]