UHPC vs fibre cement cladding
Fibre cement is a popular, economical rainscreen material. UHPC sits at the premium end, offering genuine concrete depth and greater design freedom.
At a glance
- Look: fibre cement is typically a flat board, often through-coloured or coated; UHPC offers deeper textures, reliefs and 3D forms
- Weight: fibre cement is usually lighter per m² (roughly 13–22 kg/m² at 8–12 mm)
- Strength: UHPC has much higher strength, supporting larger spans and thicker relief
- Fire: both are cement-based and many products achieve high reaction-to-fire classes — check each product
- Cost: fibre cement is generally more economical
| Factor | UHPC | Fibre cement |
|---|---|---|
| Typical thickness | 10–25 mm | 8–12 mm |
| Approx. weight per m² | ≈ 25–60 kg | ≈ 13–22 kg |
| Surface | Concrete textures and reliefs | Mostly flat; coated or through-coloured |
| Impact resistance | High | Moderate |
| Cost | Higher | Lower |
When fibre cement is the better fit
For cost-sensitive projects with large areas of flat cladding, or where minimum weight is the overriding requirement.
When UHPC is the better fit
For prestige facades, ground-floor zones exposed to impact, and designs that need texture, depth, folded or sculpted panels and a true concrete character.
Combining materials
A common approach uses UHPC at ground level and entrances, where texture and impact resistance matter most, with fibre cement on upper floors to control cost and weight. Coordinate joint lines and colours so the two read as one design.
Edges and cut faces
Coated fibre cement boards may show a different colour at cut edges unless edge-sealed or through-coloured. UHPC is through-coloured, so edges and returns match the face.
Design life and appearance over time
Coated fibre cement boards rely on their surface coating for colour; over decades, coatings may weather and need attention. Through-coloured UHPC weathers more like natural concrete, developing patina rather than coating wear. Both should be specified with realistic expectations for the exposure.
Fixing systems
Fibre cement is commonly face-fixed with screws or rivets, or bonded to rails. UHPC uses similar visible fixings, plus concealed undercut anchors and cast-in fixings on thicker panels. Heavier UHPC panels may need closer bracket spacing.
Frequently asked questions
- Can fibre cement and UHPC use the same subframe?
- Sometimes, but UHPC panels are usually heavier and may need different brackets and fixings. The facade engineer should check.
Related
- Facades & rainscreen cladding →Thin, lightweight UHPC facade panels and cladding tiles for ventilated rainscreen systems. Strength, durability and design freedom for commercial and residential buildings.
- Fire performance →How UHPC concrete tiles and panels behave in fire, what reaction-to-fire classifications mean, and what evidence to request when specifying for facades.
- UHPC vs GRC / GFRC →UHPC compared with GRC (glass-fibre reinforced concrete, also called GFRC): strength, thickness, frames, durability and typical uses.
- Weight per m² →Typical weight per square metre of UHPC tiles and panels, with worked examples and comparisons against natural stone, porcelain, GRC, fibre cement and precast concrete.
- Cost factors →What drives the cost of UHPC concrete tiles and panels — size, thickness, finish, customisation, volume, fixings and logistics — and how to get an accurate quote.