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Corrugated aluminum cladding provided by EcoIn Group served as the outer protective jacket for this large industrial digester tank insulation project, combining durability, corrosion resistance, and a clean finished appearance.

Technical Specification

Client was looking for insulation for below tank:

corrugated aluminum cladding for digester tank insulation

It’s a Digester Tank, with diameter of 18m, height of 19m, ring interval 1.4m, and roof area 125m2.

  • We chose Glass wool blanket as inside insulation layer, and 1mm PVDF corrugated aluminum sheet outside as protective jacket. PVDF coating can ensure anti-corrosion protection of the aluminum jacket.
  •  750 corrugation type was chosen as the tank diameter is 18m.

Final products:

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Project Details

DATE

October 5th, 2016

PROJECT NAME

Biotech Digester Tank

PROJECT TYPE

Tank insulation

SPECIFICATION

PVDF colored coating corrugated aluminum sheet

1mm thickness 3003 H24

COUNTRY

Philipine

 

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    Digester Tank Insulation: Corrugated Aluminum Cladding Project Overview

    Corrugated aluminum cladding is a protective outer jacket widely used in industrial insulation systems for tanks, vessels, and piping. As a leading aluminum jacketing manufacturer, EcoIn supplied aluminum jacketing for this large-scale digester tank insulation project, combining glass wool blanket insulation with a durable PVDF-coated aluminum exterior layer.

    The digester tank in this project measured 18 m in diameter and 19 m in height, with a roof area of 125 m². Given the scale and the corrosive environment, the client specified a 750-type corrugated aluminum jacket profile and a PVDF (polyvinylidene fluoride) coating for long-term corrosion resistance. PVDF coating ensures the aluminum jacket maintains structural integrity even in humid, chemical-rich industrial environments, making it the preferred choice for wastewater treatment and biogas digester applications.

    According to Wikipedia, aluminium’s high strength-to-weight ratio and natural oxide layer make it an ideal base material for industrial cladding. EcoIn enhances these natural properties further with PVDF and PE coatings, significantly extending the service life of the aluminum cladding in aggressive outdoor environments.

    Why Choose EcoIn for Your Digester Tank Insulation Cladding?

    • Thickness range: 0.5 mm – 1.5 mm to suit different load and insulation requirements
    • Corrugation types: 750, 800, and custom profiles available for curved and flat surfaces
    • Surface coatings: PVDF, PE (polyethylene), and plain mill-finish options
    • Moisture barrier: Polysurlyn and kraft foil moisture barrier options available
    • Applications: Digester tank insulation, LNG vessels, storage tanks, industrial pipelines, HVAC duct systems
    • Standards: Meets ASTM B209 and EN 485-2 specifications

    EcoIn’s aluminum jacketing is precision-cut to exact project dimensions, reducing on-site labor and waste. Each sheet is inspected for surface quality, coating adhesion, and dimensional accuracy before shipment.

    For this digester tank project, all corrugated aluminum cladding sheets were shipped flat-packed in protective film and delivered on schedule to the installation site. EcoIn provides full technical support including layout drawings, fastener recommendations, and project-specific cut lists to ensure a smooth installation process.

    Frequently Asked Questions about Corrugated Aluminum Cladding

    What thickness of aluminum cladding is standard for digester tank insulation?

    For digester tank insulation systems such as this project, aluminum jacketing in 0.8 mm to 1.0 mm thickness is most common for digester tank insulation applications. Thinner 0.5 mm sheets are used for piping, while 1.2–1.5 mm aluminum jacketing is specified for high-load or high-wind-zone applications.

    PVDF (polyvinylidene fluoride) coating offers superior UV resistance, chemical resistance, and a longer service life — typically 20+ years in outdoor environments. PE (polyethylene) coating is a cost-effective option for indoor or low-corrosion environments. For wastewater and biogas digester applications, PVDF is strongly recommended.

    Yes. EcoIn can laminate aluminum cladding sheets with a Polysurlyn or kraft-foil moisture barrier on the inner face. This is particularly important for cold insulation systems where vapor condensation could otherwise penetrate and degrade the underlying insulation material. Contact EcoIn for digester tank insulation solutions and project-specific sizing.

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    How EcoIn Executes Digester Tank Insulation Projects

    Every digester tank insulation project at EcoIn begins with a thorough site survey and thermal calculation. The engineering team determines the optimal insulation thickness based on operating temperature, ambient conditions, heat loss allowance, and the client’s energy targets. For this project, 80 mm glass wool blanket combined with 1.0 mm PVDF corrugated aluminum cladding was specified after thermal analysis confirmed it would keep heat loss within acceptable limits.

    Once the specification is confirmed, EcoIn’s production team prepares the corrugated aluminum cladding sheets to exact dimensions required for the tank’s curved surface. For an 18 m diameter digester tank, each sheet accounts for the circumferential curvature and ring interval spacing. Our team provides cut lists and layout drawings so that on-site workers can install the cladding efficiently, reducing labour time and material waste.

    Quality control is a critical step in EcoIn’s digester tank insulation supply chain. Each batch of corrugated aluminum cladding is tested for coating adhesion, surface cleanliness, and dimensional accuracy before packing. Sheets are packaged in PE protective film and wooden pallets to prevent transit damage. For international projects, EcoIn also prepares full export documentation including material certificates and packing lists. EcoIn has supplied corrugated aluminum cladding for digester tank insulation projects across Southeast Asia, the Middle East, and Europe — making us a trusted partner for digester tank insulation cladding globally.

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