Standard Specification for Rigid Poly(Vinyl Chloride) (PVC) Siding
STANDARD published on 1.7.2025
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Designation standards: ASTM D3679-25
Publication date standards: 1.7.2025
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: American technical standard
Category: Technical standards ASTM
This specification establishes requirements and test methods for the materials, dimensions, warp, shrinkage, impact strength, expansion, appearance, and windload resistance of extruded single-wall siding manufactured from rigid (unplasticized) PVC compound. The siding shall be made of one or more layers of poly(vinyl chloride) (PVC) compound. Any layers of materials other than poly (vinyl chloride) (PVC) compound shall be kept to less than 20% by volume. The PVC compound when extruded into siding shall maintain uniform color and be free of any visual surface or structural changes, such as peeling, chipping, cracking, flaking, or pitting. The PVC compound shall be compounded so as to provide the heat stability and weather exposure stability required for the siding market application. PVC siding shall not contain elemental lead (Pb) or compounds of that material other than traces incidental to raw materials or the manufacturing process. This limitation applies to both PVC substrate and to any cap or film material. Materials shall be tested and the individual grades shall conform to specified values of length and width, thickness, camber, heat shrinkage, impact resistance, coefficient of linear expansion, gloss, surface distortion, color, weathering, windload resistance, and nail slot allowance for thermal expansion.
Keywords:
plastic building products, plastic weatherability, recycled plastic, rigid PVC siding, specification,, ICS Number Code 83.080.20 (Thermoplastic materials)