ASTM-C1518 › Historical Revision Information
Standard Specification for Precured Elastomeric Silicone Joint Sealants
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This specification describes the properties of applied, flat shaped precured elastomeric silicone joint sealants that bridge joint openings and are adhered to joint substrates utilizing a liquid applied silicone adhesive sealant to seal building openings such as panel joints, metal flashing joints, or other building openings in place of conventional liquid applied sealants. Seals are applied in three different configurations, as follows: as a bridge joint, the seal is applied flat on the surface to cover a joint opening; as a beveled bridge joint, the seal is applied on the beveled edge of a substrate to bridge a joint opening.; as a U-joint, the seal is applied in a U-configuration within a joint. Seals are classified into Movement Classes on the basis of movement capability, and Tear Class on the basis of tear propagation. Seals should adhere to specified requirements as to stability, color and texture, application, adhesion and cohesion, and movement, modulus, and tear characteristics.
Scope
1.1 Precured elastomeric silicone joint sealants, hereinafter referred to as seal, are manufactured in flat, cured, extruded shapes and are primarily used to span joint openings in construction. This specification describes the properties of applied, flat shaped precured elastomeric silicone joint sealants, hereinafter referred to as applied seal, that bridge joint openings and are adhered to joint substrates utilizing a liquid applied silicone adhesive sealant, specified by the manufacturer, hereinafter referred to as adhesive to construction substrates, to seal building openings such as panel joints, metal flashing joints, or other building openings in place of conventional liquid applied sealants.
1.2 Seals are applied in three different configurations:
1.2.1 As a bridge joint, the seal is applied flat on the surface to cover a joint opening. See Fig. 1.
1.3 This specification is for a flat extruded shape. A three-dimensional shape used at a joint cross section or termination is being considered for future inclusion in the specification.
1.4 An applied seal meeting the requirements of this specification shall be designated by the manufacturer as to movement class and tear class as described in Section 5.
1.5 The values stated in SI units are to be regarded as the standard. The values given in brackets are for information only.
Keywords
adhesion; adhesive-sealant; bond-line; elastomeric; joint; precured; precured elastomeric joint sealant; seal; tear;; ICS Number Code 83.060 (Rubber)
To find similar documents by ASTM Volume:
04.07 (Building Seals and Sealants; Fire Standards; Dimension Stone)
To find similar documents by classification:
83.060 (Rubber Raw rubber, see 83.040.10)
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Document Number
ASTM-C1518-04(2014)
Revision Level
2004 R14 EDITION
Status
Superseded
Modification Type
Reapproval
Publication Date
Dec. 15, 2014
Document Type
Specification
Page Count
3 pages
Committee Number
C24.10