Flexible Stone for Ventilated Facades: Specification Guide

Angtai supplies flexible MCM facing panels for use as the visible outer finish in a project-designed ventilated facade. It does not supply or certify the complete cavity, membrane, insulation, subframe, restraint or fire-stopping system; those components must be coordinated with the selected carrier board, fixing method, wind load and local requirements. Get exact sizing, substrate recommendations, and pricing for your project. Contact us for a quote and lead time.

How a Ventilated Facade Works

The cavity between the cladding and the insulated wall drives a natural chimney effect: heated air rises and exits at the top, drawing cooler air in at the base and carrying moisture out with it. That continuous airflow keeps insulation dry and reduces heat gain in summer, extending how long the structural wall takes to warm or cool. Seal the cavity shut and the assembly behaves as a standard face-sealed cladding instead, losing this ventilation entirely. Cavity depth and full layer sequencing: rainscreen system guide.

The Three Layers of a Ventilated Wall System

Structural wall and insulation

The load-bearing wall — concrete, masonry, or metal stud — carries continuous exterior insulation, removing the thermal bridging caused by fasteners or studs interrupting the insulation layer.

Air cavity and substructure

A subframe or bonding substrate sits off the insulated wall behind an open air gap, typically running 20–50 mm depending on the system, which holds the cladding and lets air move freely behind it.

Outer cladding layer

The visible, weather-facing skin sheds bulk rain and sets the facade's finish. Full specifications for flexible stone in this role are below.

Mechanically Fixed vs. Adhered Ventilated Facade Systems

Rigid stone, ceramic and metal facade panels are commonly anchored to engineered rails. Flexible MCM panels may instead be bonded to an approved carrier board where the project-specific system permits. Angtai supplies the facing panel; the facade system provider or project engineer must select the carrier board, adhesive, fasteners, subframe, mechanical restraint and wind-load design for the complete assembly.

Lightweight adhered material options: lightweight cladding materials. Thin, adhesive-applied panel format: thin stone veneer. Full mechanically-fixed system specs and fastening hardware: rainscreen cladding systems.

Why Flexible Stone Cladding Fits a Ventilated Facade Build-Up

Flexible stone panels bond to the same substrates a ventilated wall's cavity-side sheathing is typically built from (full list in the spec block below). Because the material bends rather than cracks, it wraps curved or irregular sections of a facade that rigid stone or ceramic panels can't follow without extra cutting and jointing. Curved and irregular substrates: curved wall cladding. Sizing and finish options for the outer layer: exterior stone panels.

Flexible Stone Cladding Spec Sheet

Property Specification
Panel sizesUp to 1200×3000 mm; available sizes include 1200×2400, 600×1200, 600×2400 and 600×3000 mm
Temperature range-40°C to 150°C
Wear resistanceGrade 4
AdhesivePurpose-formulated tile adhesive applied to the panel back
Compatible substratesConcrete slab, cement board, OSB, aluminum-plastic panel, calcium-silicate board, plate metal and firmly adhered existing tile
PaymentT/T, L/C

Performance Benefits of Ventilated Facade Systems

The case for ventilated facades holds regardless of cladding material: better thermal regulation through the insulated, ventilated cavity; moisture and condensation control through continuous airflow; acoustic dampening from added mass and the air gap; and a weather-shedding outer skin that helps protect the structural wall from direct rain and UV exposure. Flexible stone panels also provide a rain-washable, easy-clean surface that can help simplify facade maintenance. For fire-performance classification detail, see what non-combustible means. Panels were shown alongside other flexible stone finishes at Marmomac 2025 exhibition recap, where facade fabricators and distributors evaluated the material firsthand.

Request Flexible Stone Panel Information

Angtai supplies flexible stone panels as the adhered outer layer for ventilated facade projects, with OEM/ODM programs available for distributors specifying custom sizes or finishes. Factory-direct pricing varies by series, size, and order volume — see indicative ranges on the flexible stone price guide. For budgeting a full assembly rather than just the cladding, rainscreen system cost breaks down what drives price. Contact us directly for pricing and lead times on your project.

FAQ

What is a ventilated facade?
It's an exterior wall assembly where cladding is separated from the structural wall by an open air cavity, allowing natural airflow to manage heat and moisture instead of sealing the wall face directly against the weather.
What are ventilated walls?
Ventilated walls and ventilated facades describe the same assembly: an insulated structural wall, an air cavity, and an outer cladding layer working together to regulate temperature and moisture through continuous airflow.
What does "facade" mean in simple terms?
A facade is the exterior face of a building — most often the front, though the term applies to any external wall surface that faces the outdoors and forms the building's visible skin.
What are the types of facades?
Common types include face-sealed (barrier) facades, drained/back-ventilated rainscreen facades, double-skin glazed facades, and curtain wall systems. Ventilated facades are a rainscreen subtype defined by their open, air-moving cavity.
What materials are used in ventilated facade cladding?
Natural stone, porcelain and ceramic panels, metal composite panels, timber, and flexible stone panels are all used as outer cladding layers, chosen based on weight, substrate compatibility, and the fixing method the project specifies.
Can tile or stone cladding be used in a ventilated facade?
Potentially. Rigid stone and porcelain are commonly mechanically anchored, while selected flexible MCM panels may be bonded to an approved carrier board. The facade designer must confirm the full carrier-board, adhesive, restraint, subframe and wind-load build-up.
What fixings or anchors attach ventilated facade cladding?
Mechanically fixed systems use engineered brackets, rails and anchors. A flexible MCM facing may be bonded to an approved carrier board, but adhesive does not replace the engineered restraint, carrier-board fixing or subframe required by the complete facade system.
How is a ventilated facade installed?
A typical sequence coordinates the wall, WRB, insulation, subframe, cavity, carrier board, fire-stopping and outer cladding. The project designer sets the order and fixing details; Angtai's instructions cover the flexible panel's preparation and bonding step only.
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