This specification covers the material characteristics, physical requirements, and sampling method appropriate to the selection of roofing slate for use as roof shingles. Slates not included in this specification are those containing soft carbonaceous ribbons. Roofing shall be classified either as Grade S1, S2, or S3, wherein each grade shall meet specified breaking load, absorption, and depth of softening requirements.
WJE laboratories are accredited by ANAB (ISO/IEC 17025) to perform testing standard ASTM C406 for Roofing Slate.
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KeywordsASTM C406 - Material Characteristics - Roofing - Roofing and Waterproofing - Sampling - Shingles - Slate
ICS CODE91.100.15 (Mineral materials and products)
UNSPSC CODE30151510 (Slate roofing)
ASTM C406 / C406M-15, Standard Specification for Roofing Slate, ASTM International, West Conshohocken, PA, 2015, www.astm.org