Historical

ASTM C728-97e1

Standard Specification for Perlite Thermal Insulation Board

This specification covers the composition and physical properties for perlite thermal insulation board used principally above structural roof decks and as a base for built-up, modified, and elastomeric membrane roofing in building construction. The 1/2-in. (13-mm) thickness board is used primarily as a cover board over other roof insulations or in reroofing applications. 1.2 The values stated in inch-pound units are to be regarded as standard. The units given in parentheses are provided for information only. 1.3 When the installation or use of thermal insulation materials, accessories, and systems may pose safety or health problems, the manufacturer shall provide the user appropriate current information regarding any known problems associated with the recommended use of the company's products and shall also recommend protective measures to be employed in their safe utilization. The user shall establish appropriate safety and health practices and determine the applicability of regulatory requirements prior to use.

CONTENT PROVIDER
ASTM International [astm]

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