Mount Merapi & West Java volcanic corridors, IndonesiaExtrusive Intermediate Volcanic Rock

Andesite Stone

Dense volcanic stone for heavy-traffic driveways, commercial paving, and modern architectural cladding.

High-density volcanic igneous stone engineered by nature for extreme mechanical durability and vehicular loading.

Current Factory Availability:Export Orders Verified (Quarry Direct)
Color ProfileMedium Slate Grey to Dark Anthracite
Standard Sizing10x10cm, 15x15cm, 20x20cm, 30x30cm, 30x60cm, 60x60cm
Thickness2.0cm, 3.0cm, 4.0cm, 5.0cm, 8.0cm (Curbs & Pavers)
Standard Lead Time3–4 Weeks per 20ft FCL Container
ARCHITECTURAL DATA

Technical Specifications

Physical performance metrics, available dimensions, and architectural tolerances for Andesite Stone.

Stone Type & ClassificationExtrusive Intermediate Volcanic Rock
Geographic OriginMount Merapi & West Java volcanic corridors, Indonesia
Natural Color & TonalityMedium Slate Grey to Dark Anthracite
Available Surface FinishesFlamed, Bush Hammered, Honed, Sawn Cut
Standard Tile & Paver Sizes10x10cm, 15x15cm, 20x20cm, 30x30cm, 30x60cm, 60x60cm (Custom sizes cut to order)
Calibrated Thickness2.0cm, 3.0cm, 4.0cm, 5.0cm, 8.0cm (Curbs & Pavers) (±1mm dimensional tolerance)
Water Absorption Rate< 1.5%
Primary Architectural ApplicationsDriveways, pedestrian plazas, resort walkways, commercial steps, heavy-traffic concourses
MINERAL PROFILE

Key Characteristics & Benefits

Authentic geological properties that make Andesite Stone an exceptional architectural surface.

Extreme Compressive Strength

Igneous crystallization withstands vehicular traffic, heavy delivery trucks, and continuous commercial footfall.

Superior Slip Resistance

Flamed and bush-hammered surface finishes provide maximum wet-weather grip for steep driveways and public sidewalks.

Minimal Water Absorption

Porosity below 0.8% prevents freeze-thaw cracking, chemical staining, and surface deterioration.

Consistent Modern Grey Tone

Uniform neutral grey palette integrates seamlessly into modern, brutalist, and contemporary architectural schemes.

PROJECT ENVIRONMENTS

Applications for Andesite Stone

Recommended architectural placements based on mineral density, slip resistance, and weathering capacity.

Andesite Stone applied in Driveways & Flooring

Driveways & Flooring

Heavy-duty driveway pavers and commercial plaza flooring solutions.

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Andesite Stone applied in Commercial Facades

Commercial Facades

Durable architectural cladding for public buildings and high-rise exteriors.

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CONTRACTOR GUIDELINES

Installation & Maintenance Guide

Best architectural practices to ensure lasting durability, clean adhesion, and optimal appearance.

01

Substrate Preparation

Ensure concrete screeds or wall substrates are cured, structural, level, and clean. Remove dust, grease, and curing compounds.

02

Cutting & Calibration

Use continuous diamond-rimmed wet saws to prevent chipping and micro-cracks on natural stone edges.

03

Setting & Adhesives

Apply polymer-modified white thin-set mortar using back-buttering technique to achieve 100% full contact coverage under wet tiles.

04

Grouting & Sealing

Use water-resistant epoxy or cementitious grout. Apply penetrating breathable impregnator sealer within 24 hours after drying.

05

Care & Maintenance

Clean regularly with neutral pH stone cleaners. Avoid acidic, muriatic, or bleach solutions that degrade mineral surfaces.

INTERNATIONAL B2B SHIPPING

Export Packaging & Container Logistics

Every shipment of Andesite Stone is packed to withstand oceanic transit, humidity variations, and heavy mechanical handling.

ISPM-15 Wooden Crates

Heavy-duty heat-treated, fumigated timber boxes with protective plastic lining and steel band strapping.

Container Capacities

Standard 20ft FCL containers carry approximately 20–26 metric tons (~700–900m² depending on tile thickness).

Full Export Paperwork

Bill of Lading, Certificate of Origin (Form D / Form E / Form AK), Fumigation Certificate, Packing List, and Commercial Invoice.

QUESTIONS & ANSWERS

Frequently Asked Questions

Direct, factual answers regarding specifications, order volumes, and applications for Andesite Stone.

Andesite Stone is a dense, durable volcanic rock quarried in West Java, Indonesia, characterized by high compressive strength and consistent grey color.

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COMMERCIAL RFQ

Specify Andesite Stone For Your Next Project

Share your required dimensions, surface finish, estimated surface area (m²), and target arrival seaport. Our export team will provide technical guidance and detailed quotation options.