How does fibre cement differ from gypsum board, OSB or cement particle board?

Fibre cement is a fundamentally different class of building material. Compared to gypsum, OSB and cement particle board, SHERA Board offers superior fire resistance (A1 vs A2 or D), much higher moisture resistance, greater structural hardness and long-term dimensional stability (moisture movement ≤ 0.1%). It is suitable for both exterior and interior use where gypsum and OSB are not.

What is the fire class of SHERA Board and how is it certified?

SHERA Board has fire class A1 per EN 13501-1 – the highest non-combustible classification. The fire propagation index is I=0. Test protocols and certificates are available on request.

SHERA Board – A1 Fibre Cement Boards

Q: Where are SHERA Board fibre cement panels most commonly used?

SHERA Board fibre cement panels are most commonly used for: exterior facades (ventilated and flush-joint systems), firewalls and fire-resistant cladding (A1 class), wet rooms and tile substrates (bathrooms, showers, kitchens, swimming pools), high-impact zones (schools, hospitals, prisons, offices), floor substrates on steel joists, raised floors, and flat roofs.

Q: Is SHERA Board suitable for wet rooms and under tiles?

Yes. SHERA Board is completely waterproof (water tightness: pass, per EN 12467). It is easy to install and tile directly over. It is the ideal substrate for bathrooms, shower enclosures, kitchens and swimming pool surrounds.

Q: What thickness of SHERA Board is recommended for exterior facades?

10 mm and 12 mm are the most widely used thicknesses for exterior facade cladding. The exact choice depends on the wind load, fastener spacing and facade system. Both are stocked in Kaunas for immediate delivery.

Q: How are exterior joints sealed on SHERA Board facades?

Leave a 3–5 mm gap between boards. Seal with SHERA PU25 sealant (paintable, one-component polyurethane). Apply SHERA Cement Bonding Agent to board edges before the sealant – it dries in 10–20 minutes.

Q: Can SHERA Board be used for curved walls?

Yes. SHERA Board can be cold-bent. Minimum bending radii by thickness: 4 mm – R=1.0 m; 6 mm – R=1.5 m; 8 mm – R=2.0 m; 10 mm – R=4.0 m; 12 mm – R=5.0 m.

Q: What is the delivery time for SHERA Board in the Baltic states?

Standard thicknesses (8, 10 and 12 mm) are warehoused in Kaunas, Lithuania and delivered within 5 working days to Lithuania, Latvia, Estonia and Poland. Other thicknesses are available on special order with lead times discussed individually.

About the Product

What is SHERA Board Fibre Cement?

SHERA Board is a fibre cement board made from cement, water, sand and natural cellulose fibre. Autoclave treatment creates a high-grade silicate structure.

The material is strong, flexible, resistant to moisture, fire, insects and chemical corrosion, with a neutral pH (7–8) – making it compatible with any adhesive or connector element.

Manufactured using the Hatshek process – the same technology used in the production of highest quality autoclaved concrete products. Do not compare it to gypsum, OSB or cement particle board — fibre cement is a different class of material.

View Dimensions & Weights

Cement

High-grade Portland cement – the primary binding component

Water

Pure hydration water – ensures optimal bonding process

Sand

Fine quartz sand – reinforces structure and ensures durability

Cellulose Fibre

Natural plant fibre – provides flexibility and tensile strength

Why Choose It

Why SHERA Board?

8 properties that make fibre cement superior to gypsum board, OSB, mineral board or cement particle board

Weather & Water Resistant

Resistant to all climate impacts – rain, frost, wind and humidity. Unchanged over years of exposure.

Fire Resistant (A1)

Non-combustible material. Fire propagation index I=0. Suitable for firewalls and fire-resistant cladding systems.

Impervious to Water

Completely waterproof – ideal for wet rooms, bathrooms, swimming pool surrounds and exterior use.

Sound Insulation 30–64 dB

Excellent acoustic performance depending on thickness – suitable for residential and public buildings.

Low Shrinkage

Moisture movement ≤ 0.1% – virtually no cracking or deformation. Stable long-term dimensional performance.

Flexible & Workable

Can be bent (from R=1m), sawn and drilled with standard tools. Suitable for curved facade designs.

Insect Resistant

Cement structure – termites and other insects cannot damage it. Suitable for tropical climate projects.

Neutral pH (7–8)

Does not corrode metal – safe for contact with steel frames and compatible with any adhesive or sealant.

Applications

Where Are the Boards Used?

SHERA Board is suitable for both exterior and interior construction – from facades to floors

Exterior Facades

Ventilated facade, flush joints, render base

Fire Barriers & Protection

A1 class – industrial and public spaces

Wet Areas & Tile Substrate

Bathrooms, showers, kitchens, swimming pools

Floors, Decks & Flat Roofs

15 and 18 mm thickness – raised floors and roofs

Technical Data

Dimensions & Technical Specifications

Board Sizes & Weights

Format (mm)	Thickness (mm)	Weight (kg/board)	Application
1200×2400	4	18.00	Interior finish, levelling layer
1200×2400	6	27.00	Interior finish, ceilings, fire door cladding
1200×2400	8	36.00	Interior partitions, wet areas (tile substrate), ceilings, wind protection
1200×2400	9	40.50	Interior partitions, wet areas (tile substrate)
1200×2400	10	45.00	Exterior wall cladding, interior walls, floor substrate, wind protection
1200×2400	12	54.00	Exterior wall cladding, floor substrate, wind protection
1200×2400	15	66.27	Roof structures
1200×2400	16	74.10	Deco Board only – decorative interior cladding
1200×2400	18	79.52	Roof structures, floor slabs

In stock in Kaunas: 8, 10 and 12 mm thicknesses. Other thicknesses available on special order.

Wind Load

Parameter	28 m/s	33 m/s	41 m/s	50 m/s	60 m/s	70 m/s
Wind Pressure (Pa)	500	700	1,000	1,500	2,200	3,000
Max Stud Spacing – 10 & 12 mm (mm)	600	600	600	400	300	300
Max Fastener Spacing – Board Edge (mm)	200	200	200	150	150	100
Max Fastener Spacing – Board Centre (mm)	300	200	200	150	150	100

Physical Properties

Property	Value
Fire Class	A1
Density	1,350 ±50 kg/m³
Modulus of Rupture (wet)	> 7 MPa
Modulus of Elasticity (wet)	3,000–5,500 MPa
Water Absorption	≤ 35%
Moisture Content	≤ 15%
Moisture Movement	≤ 0.1%
Thermal Conductivity	0.15 W/mK
Sound Insulation	30–64 dB
pH Value	7–8
Freeze/Thaw Resistance	Pass
Warm Water Resistance	Pass
Water Tightness	Pass

Fire Propagation Index

I = 0

Curved Wall Min. Radius

R = 1.0 m (4 mm)

Standard Format

1200 × 2400 mm

Target Groups

Solutions for Your Needs

SHERA Board is suitable for architects, system suppliers, contractors and distributors

Architects & Designers

Design Freedom Without Compromise

Fibre cement boards allow you to realise complex architectural ideas – from curved facades to textured surfaces.

Bending radius from 1 m (4 mm board)
Compatible with ventilated facade, render and tile systems
Technical details and consulting available

Get Technical Consultation →

SIP, Frame & Panel System Suppliers

Fast Installation, Stable for Series Production

Standard format 1200×2400 mm, stable thickness tolerance ±6% – ideal for series production and precision assembly.

Compatible with timber, steel and concrete
Neutral pH – suitable for all adhesives
B2B pricing and supply terms available

Get B2B Quote →

Project Developers & Contractors

Resistance to Environmental Impact

Suitable for facades, firewalls, wet rooms, floors and roofs. One product – many solutions.

Resistant to moisture, fire, impacts and rodents
Suitable for high-impact zones
1-min request – quick project solution

Get Project Solution →

Distributors & Building Material Retailers

Stable Supply for Baltic States

Warehouse in Kaunas – 8, 10 and 12 mm thicknesses in stock. Delivery across Baltics and Poland within 5 working days.

Delivery Baltics + Poland within 5 w.d.
Other thicknesses available on special order
Become an authorised distributor

Become a Distributor →

Quality

Certifications & Standards

Our products meet strict international quality standards and are certified according to EU requirements.

EN 12467

Fibre cement flat sheets. Product specifications and test methods.

CE Marking

Conformity with the European Construction Products Regulation (305/2011/EU).

ISO 8336

International standard for fibre cement sheet properties and testing.

A1

Reaction to fire — non-combustible material per EN 13501-1.

Download catalog Get a quote

For manufacturers

One solution for the entire structure

European certifications for export markets

SHERA Board fibre cement boards meet European certification requirements and have CO₂ (EPD) declarations, making them a reliable choice for manufacturers oriented towards export markets. This means fewer additional approvals, easier compliance with the regulations of different countries, and greater confidence from clients and partners. Such solutions simplify project realisation and open up broader opportunities for growth in international markets.

Get a quote

Fewer materials,
fewer mistakes

Fewer materials, fewer mistakes, and faster production – today this is no longer an advantage but a necessity for every frame, modular, or SIP house manufacturer. Every additional layer in the construction means more work stages, a higher likelihood of errors, and more complex logistics that directly reduce production efficiency and profitability. That is why more and more manufacturers are choosing a solution that simplifies the entire process – a fibre cement board adapted not only for the facade, but for the whole structure: from wind barrier solutions to interior walls, partitions, and floor substrates. By using the same board across different construction layers, the amount of materials decreases, joints are simplified, installation speeds up, and the likelihood of human error is reduced.

Get a quote

Stable from production to installation

In real construction conditions, structures are not always protected from weather, so it is important that the material used remains stable even when exposed to moisture or during transport – this ensures quality throughout the entire process, from production to on-site installation. A smaller variety of materials also means simpler logistics, clearer supply chains, and a lower warehousing burden, which directly affects production pace and cost control. At the same time, greater safety is ensured – fire and moisture resistance become an integrated part of the construction, not an additional solution. Most importantly, the structure remains stable even without final finishing, which is especially relevant for modular construction and transportation.

Get a quote

Comparison

Construction boards comparison

Why builders and architects choose fibre cement over traditional materials.

Property	Fibre cement board	Cement particle board	Oriented strand board OSB3	Moisture-resistant gypsum
Type	Fibre cement cladding board	Cement + wood particle board	Wood strand board (OSB)	Plasterboard
Composition	Cement + cellulose fibre	Cement + wood particles	Wood strands + resin	Gypsum + cardboard
Structure	Dense, homogeneous	Layered	Layered	Soft, layered
Density / weight	High	Medium	Medium–low	Low
Hardness	Hard, firm	Flexible and firm	Firm	Weak
Load capacity	High	High	High	Very low
Moisture resistance	Very high	High	Medium	Medium
Fire class	A1	A2	D	A2
Dimensional stability	Very stable	Medium	Prone to swelling	Medium
Workability	Medium	Easy	Very easy	Very easy
Surface	Decorative	Technical	Technical	Smooth
Aesthetics	High	Low	Low	Interior
Typical applications	Facades / structures	Structures	Frame systems	Interior walls

FAQ

Frequently Asked Questions

Where are SHERA Board fibre cement panels most commonly used?

SHERA Board fibre cement panels are most commonly used for exterior facades (ventilated and flush-joint systems), firewalls and fire-resistant cladding (A1 class), wet rooms and tile substrates (bathrooms, showers, kitchens, swimming pools), high-impact zones (schools, hospitals, offices), floor substrates on steel joists, raised floors, and flat roofs.

Is SHERA Board suitable for wet rooms and under tiles?

Yes. SHERA Board is completely waterproof (water tightness certified per EN 12467). It is easy to install and tile directly over. It is the ideal substrate for bathrooms, shower enclosures, kitchens and swimming pool surrounds.

How does fibre cement board differ from gypsum board, OSB or cement particle board?

Fibre cement is a fundamentally different class of building material. SHERA Board achieves fire class A1 (non-combustible), while gypsum is A2 and OSB is class D (combustible). It is fully moisture-proof where OSB swells and gypsum degrades. Dimensional stability is near zero (moisture movement ≤ 0.1%), and it can be used for both exterior and interior applications. Gypsum and OSB cannot match this combination of properties.

Which thickness of SHERA Board is recommended for exterior facades?

For exterior facade cladding, 10 mm and 12 mm are the most widely used thicknesses. Both are stocked in Kaunas for immediate delivery. The exact choice depends on wind load, fastener spacing and the specific facade system. Our technical consultants can advise on the right specification for your project.

How are exterior joints sealed on SHERA Board facades?

Leave a 3–5 mm expansion gap between boards. Seal with SHERA PU25 sealant – a paintable, one-component polyurethane product. Apply SHERA Cement Bonding Agent to the board edges before the sealant; it dries in 10–20 minutes. This system ensures a weatherproof, long-lasting joint.

Can SHERA Board be used for curved walls and facades?

Yes. SHERA Board can be cold-bent on site. The minimum bending radii are: 4 mm board – R=1.0 m; 6 mm – R=1.5 m; 8 mm – R=2.0 m; 10 mm – R=4.0 m; 12 mm – R=5.0 m. This makes it suitable for curved architectural facades and feature walls.

What is the delivery time for SHERA Board in the Baltic states?

Standard thicknesses of 8 mm, 10 mm and 12 mm are warehoused in Kaunas, Lithuania and delivered within 5 working days to Lithuania, Latvia, Estonia and Poland. Other thicknesses (4, 6, 9, 15, 16, 18 mm) are available on special order with individually agreed lead times.

SHERA Board Fibre Cement Boards for Construction

What is SHERA Board Fibre Cement?

Why SHERA Board?

Weather & Water Resistant

Fire Resistant (A1)

Impervious to Water

Sound Insulation 30–64 dB

Low Shrinkage

Flexible & Workable

Insect Resistant

Neutral pH (7–8)

Where Are the Boards Used?

Dimensions & Technical Specifications

Board Sizes & Weights

Wind Load

Physical Properties

Solutions for Your Needs

Certifications & Standards

One solution for the entire structure

European certifications for export markets

Fewer materials,
fewer mistakes

Stable from production to installation

Construction boards comparison

Frequently Asked Questions

Download the Full Catalogue in PDF

Get a Quote or Technical Consultation