Dry-Installed Cement Board (Fiber Cement) Facades
Cement board (fiber cement) is a fiber-reinforced cement sheet — a mix of cement, silica and cellulose fibers cured in an autoclave. The result is a lightweight, flat sheet resistant to moisture and fire, suitable both for exterior cladding and for suspended ceilings and interior walls.
Why do we take cement board seriously? Because at a lower budget than many systems it delivers a modern, flat appearance, and when installed correctly it performs trouble-free for years. The key phrase is installed correctly — and that is exactly where we differ.
1Where Cement Board Performs Well
- Exterior facades of residential, commercial and office buildings — with facade-grade boards and a final coat of paint
- Wood-grain and factory-finished boards for facades that call for texture
- Suspended ceilings and interior walls of lobbies, stairwells and wet areas
- Cladding of parapets, roof edges and feature interior walls
- Combination with other systems (alongside curtain wall, punch metal or composite on one facade)
2The Dry Installation Method — Step by Step
- Galvanized steel or double-layer tube substructure with spacing calculated from sheet dimensions and wind load
- Connection of the substructure to the structure with standard anchors and plates (not cement and nails!)
- Sheet fixing with dedicated cement board screws at the standard edge distance — not so close that the sheet cracks, not so far that it rattles
- Joint sealing: waterproofing tape plus elastomeric sealant or a joint profile, depending on the joint design (open or closed)
- Primer and final paint for flat boards (factory-textured boards need no painting)
3The Details That Decide the Outcome
- Screw spacing and screw type (wing-tip self-drilling) — the main factor in preventing sheet cracking
- Horizontal and vertical expansion joints — the sheet moves and must be given room to breathe
- Flashing and waterproofing where the cladding meets floors, parapets and openings
- Rear ventilation — the air gap between sheet and wall is a lifelong friend of the facade
- Insulation behind the substructure for projects that care about energy
4Mistakes We See Often in Cement Board Work
- Buying cheap thin sheet for the facade — it wavers after two seasons
- Eyeballed substructure with no calculations and no shop drawings
- Ordinary filler and sealant instead of elastomeric waterproofing — the first rain leaks
- Ordinary drywall screws instead of dedicated screws — they rust and throw yellow stains across the facade
- We write the execution details before starting and buy the sheet and screws with same-day price inquiries from the authorized dealer, so nothing runs short mid-job
Custom execution detail
AI & analytical tools
- Online cement board cost estimate based on area, sheet thickness and project city
- Recommendation of sheet thickness and brand matched to facade height and climate
- Precise calculation of screw, profile and sealant quantities to prevent material waste
Execution steps
- 1Consultation and review of drawings and site conditions
- 2Sheet selection (thickness, brand, flat or textured) with same-day price inquiry
- 3Substructure design and joint and waterproofing details
- 4Substructure installation and level control
- 5Sheet fixing with dedicated screws at standard spacing
- 6Waterproofing and jointing, then primer and final paint
- 7Handover with final inspection and a maintenance guide
Take the next step
Want cement board for your project's facade with standard execution and a detailed estimate? Send us the area and project city — a line-by-line estimate (materials, substructure, labor) is issued free of charge.