Roofing Felt Must Comply With The Requirements Of This Standard And Be Manufactured According To Technological Regulations Approved By The Manufacturer. Roofing Felt Must Be Flexible. Roll Width, Mm – 1000, Roll Area, M2 – 10, Roll Weight (Rkp-350), Kg – 22-25; Permissible Deviations: Roll Width, Mm – No More Than ±5; Deviations In Area, M2 – No More Than ±0.5. Gost 10923-93 Institution 40
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