Application of Fiber Cement Boards in Curtain Walls: A Comprehensive Professional Solution
Time: July 27, 2025
Fiber Cement Boards: An Innovative Choice for Curtain Wall Materials
As a manufacturer of fiber cement boards , we provide a comprehensive analysis of the application of fiber cement boards in curtain walls
Originated in Europe/America with 100+ years of development
Lightweight yet strong, thickness only 6-30mm
Durability verified in global climates
Perfect balance of functionality and aesthetics
Product Classification & Selection Guide
1. By Composition
Asbestos-free fiber cement boards : Preferred eco-friendly optionAsbestos fiber cement boards : Requires cautious use
2. By Density
Low density (1.0-1.2g/cm³): Interior partitions
Medium density (1.2-1.5g/cm³): General exterior walls
High density (1.5-2.0g/cm³) : Specifically for curtain walls
Core Advantages for Curtain Wall Applications
1. Excellent Physical Properties
Flexural strength ≥15MPa
Water absorption ≤20%
Wet expansion ≤0.25%
Withstands 50+ freeze-thaw cycles
2. Outstanding Durability
Meets weather resistance standards
UV aging resistant
Acid/alkali corrosion resistant
Designed service life 25+ years
3. Fire Safety
Class A1 non-combustible
No toxic emissions during fire
Effectively blocks fire spread
Professional Installation Structure Analysis
1. Joint Design Principles
Open joints: Recommended first choice
Closed joints: Requires special treatment
Joint width ≥8mm
2. Connection Method Comparison
Type Suitable Thickness Characteristics Continuous Hanger ≥10mm Stress concentration verification needed Back Bolt ≥12mm Similar to stone curtain walls Through Connection ≥8mm Economical but exposed fasteners
High-Density Board Installation Process
1. Pre-construction Preparation
Drawing review confirmation
Strict material inspection
Sample panel first policy
Complete technical briefing
2. Framework System Installation
Main frame spacing ≤1200mm
Secondary frame spacing ≤612mm
Cross brace spacing ≤1224mm
Welding flatness control ≤2mm/m
3. Board Fixing Essentials
Screw spacing 200-250mm
Countersunk 0.5mm below surface
5-7mm expansion gaps
Staggered panel installation
