Easy-to-Understand Explanation of Forna Natural Composite Flooring Technical Data
Below is a simplified version of the key performance ratings and what they mean for everyday use. This explains the verified durability, water-resistance, and use classifications for Forna Natural Composite flooring.
1. Castor Chair Resistance – EN 425
Meaning: The floor is approved for use with office chairs that have “type W” castor wheels.
Why it matters: It will not get damaged or worn down easily by rolling chairs—great for home offices and commercial spaces.
2. Fire Safety Rating – CFL-S1
Meaning: This is a European fire safety certification for flooring. CFL-S1 means:
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Very limited flame spread
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Very low smoke production
Why it matters: In a fire, this flooring performs far better than many other materials, giving extra safety to your home or business.
3. Color Stability / Lightfastness – ISO 105 > 7
Meaning: On a scale of 1–8, a rating above 7 is excellent.
Why it matters: The floor won’t fade noticeably even under strong sunlight or bright indoor lighting.
4. Chemical Resistance – EN 423
Meaning: Rated “Very Good.”
Why it matters: Common household chemicals or mild spills are much less likely to stain or damage the surface.
5. Low Emissions – AgBB Certified
Meaning: The floor passes strict German indoor-air-quality testing at 3 and 28 days.
Why it matters: It is a healthy, low-VOC flooring, safe for indoor air quality—ideal for homes, schools, and offices.
6. Swelling in Water – EN 317 < 1%
Meaning: After 24 hours in water, swelling is less than 1%.
Why it matters: This shows excellent water resistance and makes Forna Natural Composite suitable for basements, kitchens, and areas with moisture.
7. Antistatic – EN 1815 < 2 kV
Meaning: The floor is classified as antistatic.
Why it matters: It reduces static shocks—useful in dry climates, offices, and areas with electronics.
8. Slip Resistance – R10 (EN 51130)
Meaning: R10 = normal slip resistance.
Why it matters: Safe for areas that may occasionally get wet, like kitchens and entryways.
9. Micro-Scratch Resistance – EN 16094 (MSR-B1)
Meaning: The surface resists tiny scratches.
Why it matters: Helps the floor stay looking new longer, even with regular traffic.
10. Stain Resistance – EN 438-2 Grade 4–5
Meaning: Excellent resistance to stains.
Why it matters: Everyday spills (coffee, wine, etc.) are much less likely to leave permanent marks.
11. Impact Resistance – EN 438-2 / EN 13329 Class 34
Meaning: Can withstand a heavy ball dropped from 1.8 meters without cracking.
Why it matters: Very strong and durable—ideal for high-traffic commercial areas.
12. Impact Sound Reduction – EN 140 (≈ 18 dB)
Meaning: Reduces noise by approx. 18 decibels.
Why it matters: Quieter rooms and less sound transferred to lower floors—perfect for condos, apartments, and offices.
13. Slip Resistance (Dry Surface) – EN 13398 = DS (0.45)
Meaning: DS means “Dry Slip Resistant.”
Why it matters: Safe to walk on in normal indoor conditions.
14. Furniture Foot Movement – EN 16581
Meaning: No visible damage after testing.
Why it matters: Heavy furniture legs will not easily dent or scratch the surface.
15. Usage Classification – EN 16511 (Class 23 / Class 33)
Meaning: This European standard classifies flooring by how durable it is in different environments.
Domestic 23 – Heavy Residential Use
Suitable for high-traffic areas in homes, such as:
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Entrance halls
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Living rooms
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Corridors
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Dining rooms
Why it matters: The floor is strong enough for busy families, pets, and daily activity.
Commercial 33 – Heavy Commercial Use
Suitable for high-traffic commercial spaces, such as:
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Offices
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Hotel reception areas
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Small retail stores
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Public walkways
Why it matters: The floor can handle continuous foot traffic and demanding commercial environments.
Additional Product Benefits of Forna Natural Composite
✔ Natural Linseed Composite Surface
Made from a natural linseed composite and protected by a hardwearing PU finish.
✔ Transparent Multilayer Construction
Natural linseed composite surface, Hydrowood core, and cork backing; review product-specific emissions documentation for project requirements.
✔ Waterproof (ISO 4760) – Hydrowood Core
The floor is engineered to resist water better than traditional vinyl or laminate.
✔ Flood-Prone Areas
If the installation area has potential flooding:
➡️ For flood-prone areas, follow the approved glue-down installation system and site-specific moisture requirements.
Best Installation Areas
Forna Natural Composite flooring is especially suitable for:
✔ Basements
Moisture-resistant and dimensionally stable.
✔ Commercial Spaces
Strong enough for high traffic—offices, schools, retail stores.
✔ Homes
Kitchens, living areas, hallways, entryways—anywhere needing durability and water resistance.
Technical Data Sheet:
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Hydrowood | |||
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Dimensions & thickness | EN 427 & EN 428 | ca. 620 × 450 × 9.5 mm | |
| ca.1235 × 200 × 9.5mm | ||||
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Classification | EN 16511 | domestic 23 | |
| commercial 33 | ||||
| Total weight | EN 430 | ca. 9.500 g/m2 | ||
| Effect of castor chair | EN 425 | suitable for type W | ||
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Reaction of fire | EN ISO 9239-1 | Cfl s1 (B1) | |
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Thermal resistance | EN 12524 | 0,09 m² K/W | |
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Dimensional stability | EN 434 | < 0,05 % | |
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Residual inentation | EN 433 | max. 0,12 mm | |
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Lightfast | ISO 105 | > 7 | |
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Resistance to chemicals | EN 423 | Very good resistance | |
| Emissions value | according AgBB | |||
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Swellness value 24h | EN 317 | < 1% (wasserfest/waterproof) | |
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Locking strenght | ISO 24334 | > 650 kg/lfm – kg/m | |
| Reaction to static electricity | EN 1815 | < 2 kV | ||
| Coefficent of friction | EN 51130 | R10 – sehr sicher | ||
| Micro scratch resistance | EN 16094 | MSR-B1 | ||
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Effect of stains | EN 438-2:2016 | Grad 4-5 | |
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Impact sound reduction | EN 140 | ca. 18 dB | |
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Impact resistance | EN 438-2 / EN 13329 | Class 34 ≥ 1800 mm fall height / big ball | |
| slip resistance | EN 13398 2002-11 | 0.45 = DS | ||
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Furniture foot shift | EN16581 | no visible damage |
















