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What is an Aluminium Composite Panel (ACP)?

An Aluminium Composite Panel (ACP) is a flat panel consisting of two thin coil-coated aluminium sheets bonded to a non-aluminium core material, typically polyethylene (PE), mineral-filled fire-retardant (FR), or aluminium honeycomb. ACP panels are used for building facades, signage, interiors, and architectural cladding due to their lightweight, weather resistance, and design versatility.

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Detailed Answer

ACP Panel Structure

An ACP panel has three layers: a front aluminium skin (0.25mm-0.50mm thick), a core material (PE, mineral, or aluminium), and a rear aluminium skin. The total panel thickness ranges from 3mm to 6mm. The aluminium skins are coated with PE (Polyester) for interior use or PVDF (Polyvinylidene Fluoride) for exterior applications.

Types of ACP by Core

LDPE Core (Standard): Low-density polyethylene core for general applications. Cost-effective for interior and low-rise exterior use.

FR Core (Fire Retardant): Mineral-filled core with fire classification EN 13501-1 Class B-s1,d0. Required for buildings under 15m per NBC 2016.

ACCP Core (FR A2+): Aluminium corrugated core with non-combustible classification A2-s1,d0. Mandatory for high-rise buildings above 15m. VIVA is India's first manufacturer with Thomas Bell-Wright certified FR A2+ ACCP.

ACP Applications

ACP panels are used in exterior building facades, interior wall cladding, false ceilings, corporate signage, column covers, canopy cladding, furniture, kitchen cabinets, and partition walls. VIVA offers 500+ shades across 25+ series.

Why ACP Over Other Materials?

ACP is 8-10x lighter than granite, 3-4x cheaper than glass curtain walls, termite-proof unlike wood, and mechanically fixed unlike tiles that can detach. With PVDF coating, ACP maintains its colour for 25+ years.

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People Also Ask About ACP Sheets

What is the full form of ACP sheet?

ACP stands for Aluminium Composite Panel. It is also referred to as ACM (Aluminium Composite Material) or ACCP (Aluminium Composite Core Panel) for fire-rated variants. VIVA manufactures standard ACP, FR B1 fire-rated ACP, and FR A2+ ACCP with aluminium corrugated core.

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Which ACP sheet is best for exterior cladding?

For exterior cladding, PVDF-coated ACP with 70% KYNAR 500 resin is the best choice. VIVA recommends 4mm PVDF panels for standard exteriors and 4mm/6mm FR A2+ ACCP for buildings above 15 meters. The Solid & Metallic, Natural Stone, Premium Marble, and Mirage Fluted series are the most popular for exterior facades.

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Is ACP sheet waterproof?

Yes, ACP sheets are waterproof. The aluminium skins and PVDF/PE coating create a moisture-impervious surface that does not absorb water, swell, or degrade with water exposure. ACP panels are ideal for exterior facades, monsoon-prone regions, and humid environments. However, proper sealing of panel joints with weather-grade silicone sealant is essential for a watertight facade system.

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What is PVDF coating on ACP panels?

PVDF (Polyvinylidene Fluoride) is a high-performance coating used on ACP panels for exterior applications. Made with 70% KYNAR 500 resin, PVDF coating provides 25+ year colour retention, superior UV resistance, chemical resistance, and self-cleaning properties. VIVA uses PVDF coating on all exterior-grade ACP panels manufactured on Korean precision lamination lines.

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What are the standard sizes of ACP sheets?

VIVA ACP sheets are available in standard sizes of 1220mm × 2440mm (4×8 ft), 1220mm × 3050mm (4×10 ft), and 1220mm × 3660mm (4×12 ft). Wide panels of 1500mm width are also available. Custom lengths up to 6000mm can be manufactured on request for large-scale projects.

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Still Have Questions?

Contact VIVA's technical team for expert guidance on ACP selection.

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