Alsaidi Chemicals Office Building – External Wall Cladding

Project Overview

Product: 12mm ACFA Plus Fiber Cement Board
Project: Alsaidi Chemicals Office Building
Application: External Wall Cladding
Support System: Galvanized Steel Framing
Installation: Mechanical Fixing
Finish: Paint-Ready External Surface

The Alsaidi Chemicals Office Building required an external wall cladding system capable of responding to demanding climatic conditions while providing a durable, stable and consistent architectural envelope.

12mm ACFA Plus Fiber Cement Board was installed over a galvanized steel framing structure to create the external wall surfaces, combining moisture resistance and dimensional stability with a practical substrate for the specified final coating.

The installation extended across multiple levels and incorporated window openings and façade transitions, requiring careful coordination between the supporting framework, board layout and final architectural alignment.

The Challenge

The project required an external wall solution capable of maintaining consistent performance and architectural alignment under demanding site and environmental conditions.

Beyond the material requirements, execution presented several practical challenges. Restricted access between adjacent buildings required alternative access arrangements, façade alignment had to be maintained across multiple floors, and high daytime temperatures influenced the installation schedule.

The system therefore needed to:

• Provide a durable substrate for external wall applications.
• Resist moisture and environmental exposure.
• Maintain dimensional stability under changing climatic conditions.
• Accommodate window openings and façade detailing.
• Provide a suitable surface for the specified external coating.
• Maintain accurate alignment across multiple building levels.
• Integrate efficiently with a galvanized steel framing system.

The ACFA Solution

12mm ACFA Plus Fiber Cement Board was selected as the external wall cladding material and installed over a galvanized steel framing system.

The supporting framework established the required alignment and distributed the board installation across the façade. ACFA Plus panels were then mechanically secured using self-drilling countersunk screws, followed by joint treatment using a weather-resistant sealant and surface preparation for the final coating.

This combination provided a stable external surface while allowing the façade to accommodate openings and architectural detailing within a consistent construction system.

Installation & Execution

1. Steel Frame Preparation
Vertical studs and horizontal runners were aligned and anchored to the main structural steel columns, establishing the supporting framework for the external wall system.

2. Panel Layout & Marking
Grid lines were established to control board positioning and maintain accurate alignment, particularly around window openings and across the different façade levels.

3. ACFA Plus Installation
The boards were positioned against the galvanized steel framework and mechanically fixed using self-drilling screws with consistent spacing and alignment.

4. Joint Treatment & Finishing
Board joints were treated using weather-resistant sealant before the installed surfaces were prepared to receive the specified final coating.

Responding to Site Conditions

An important aspect of the project was adapting the installation methodology to the conditions encountered on site.

Restricted Access
Limited space between adjacent buildings was addressed through suspended platforms and modular scaffolding.

Multi-Level Alignment
Laser leveling and grid marking were used to maintain façade alignment across multiple floors.

High Temperatures
Installation activities were scheduled during cooler working periods to respond to high daytime temperatures.

This section is worth retaining on the website because it shifts the story from simply “ACFA supplied a board” toward “ACFA Plus was successfully applied within real project constraints.”

Why ACFA Plus?

Moisture Resistance
Provides a cement-based external wall substrate suited to applications exposed to moisture and demanding environmental conditions.

Dimensional Stability
Supports consistent façade surfaces where stability under changing environmental conditions is important.

External Wall Performance
Provides a robust substrate for external wall cladding applications when incorporated within the specified façade system.

Architectural Adaptability
Can be installed around windows, openings and façade transitions while maintaining the required architectural geometry.

Finish Compatibility
Provides a paint-ready surface suitable for the specified external coating system.

Framing Integration
Compatible with mechanically fixed galvanized steel framing systems, supporting controlled alignment across extensive wall areas.

Thermal Contribution
As part of the multi-layer external wall build-up, the fiber cement board contributes to the overall thermal resistance of the façade system.

Project Outcome

The completed façade achieved a clean and consistent architectural appearance across the external wall surfaces and around the building's multiple window openings.

The installation demonstrated the ability of 12mm ACFA Plus Fiber Cement Board to provide a stable and adaptable external wall substrate while accommodating the practical demands of multi-level façade construction.

Combined with the galvanized steel framing, mechanical fixing and specified joint and finishing treatments, the system delivered an external envelope designed to respond to the project's climatic and architectural requirements.

The project demonstrates the application of ACFA Plus as a practical external wall solution where moisture resistance, dimensional stability, installation flexibility and architectural consistency come together within one façade system.

Application Highlights

Product: 12mm ACFA Plus Fiber Cement Board
Application: External Wall Cladding
Support System: Galvanized Steel Framing
Fixing: Self-Drilling Countersunk Screws
Joint Treatment: Weather-Resistant Sealant
Finish: Paint-Ready Surface / Specified External Coating
Detailing: Multi-Level Façade · Window Openings
Sector: Commercial / Industrial Office Building