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Industrial Grey 3/8" (9.5mm) Forna Natural Composite Flooring with Waterproof Hydrowood Core

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Ndustrial Grey concrete look Natural Composite Flooring in a modern indoor outdoor living space

Industrial Grey

Made in SwitzerlandForna Natural Composite Flooring9.5mm (3/8")Floating/Click Lock

$9.29 per sq.ft. ~~$12.49~~ single box Save $57.63 per box

$167.31 per box ~~$224.94~~ · one box covers up to 18.01 sq. ft.

Industrial Grey from the Forna Natural Composite collection combines a natural linseed composite surface, waterproof Hydrowood core, and cork backing in a 9.5mm (3/8 in) click plank rated Class 23 residential and Class 33 commercial.

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At a glance

Key facts

Format & thickness: Plank, 620 mm x 450 mm (24 13/32 in x 17 46/64 in), 9.5 mm (3/8 in) thick
Installation: Floating, Uniclic click lock
Coverage per carton: 1.67 m² (18.01 sq ft)
Pieces per carton: 6
Durability class: Commercial class 33; domestic class 23
Warranty: 15 years residential (class 23); 5 years commercial (class 33)

Performance profile

Comfort & Warmth

Warmer than laminate & hardwood

Very Good

Durability

Heavy residential & commercial

Excellent

Ease of Installation

Click-lock, no glue or coating needed

Excellent

Natural Surface

Natural linseed composite surface over an engineered core

Very Good

Water Resistance

Waterproof Hydrowood core; less than 1% swelling after 24 hours (EN 317)

Excellent

Sound Isolation

Good sound isolation

Very Good

View all specifications →

Overview

Industrial Grey Natural Composite Flooring

A concrete-cool Forna Natural Composite plank with a fully waterproof Hydrowood core, rated for commercial traffic and quiet underfoot. Industrial Grey brings the muted, workshop-inspired grey of modern loft and studio spaces to a floor built with a natural linseed composite surface: linseed oil, pine resin, limestone, cork wood flour, and jute. With a lightfastness rating of 7/8, that colour stays put even in sun-washed rooms. Each 620 mm x 450 mm (24 13/32 in x 17 46/64 in) plank is built in three layers: a 1.5 mm natural linseed composite surface over a 6.8 mm Hydrowood waterproof core, finished underneath with 1.2 mm of agglomerated cork. The result is a 9.5 mm (3/8 in) floating plank that shrugs off moisture (less than 1 percent swelling after 24 hours in water) while the cork backing cuts impact noise by 17 dB and adds a touch of warmth and give underfoot. It carries a class 33 commercial durability rating, so it is at home in busy hallways, kitchens, offices, and retail spaces as much as in living rooms. The Uniclic click-lock profile floats over the subfloor with no glue, and the floor is approved for every level of the home: above grade, on grade, and below grade, including over electric or hydronic underfloor heating.

Why this floor

Fully waterproof Hydrowood core: 24-hour swelling under 1 percent (EN 317), suitable for moisture-prone areas.
Class 33 commercial durability (EN 16511), backed by a 5-year commercial and 15-year residential warranty.
17 dB impact sound reduction from the natural linseed composite layer paired with a 1.2 mm pressed cork backing.
Uniclic click-lock joints with a locking strength above 650 kg per linear metre (ISO 24334).
Lightfastness rated 7/8 (ISO 105 greater than 7): the colour resists fading in direct sunlight.
R10 slip resistance rating (EN 51130) and very good chemical resistance (EN 423).
UL GREENGUARD Gold certified for low emissions and healthier indoor air, with underfloor heating compatibility (thermal resistance 0.09 m² K/W).

See it in action

Specifications

Dimensions & packaging

Format & thickness: Plank, 620 mm x 450 mm (24 13/32 in x 17 46/64 in), 9.5 mm (3/8 in) thick
Pieces per carton: 6
Coverage per carton: 1.67 m² (18.01 sq ft)
Recommended overage: 10%
Board Length: 620mm (24 ¹³/₃₂ inch)
Board Width: 450mm(17-46/64 inch)
Board Thickness: 9.5mm (3/8")

Construction & finish

Construction: 1.5 mm natural linseed composite top layer over a 6.8 mm Hydrowood waterproof core with a 1.2 mm agglomerated cork backing
Wear layer: Hardwearing PU protection
Finish: High resistant Natural Shield water base polyurethane
Colour: Industrial Grey
Edge: Square edge, no bevel
Material content: Linseed oil, pine resin, limestone, cork wood flour, jute
Certification: UL GREENGUARD Gold (low emissions)
Shade: Light, Medium

Performance & installation

Installation: Floating, Uniclic click lock
Floor grade: Above grade, on grade, below grade
Radiant heat: Compatible with electric and hydronic underfloor heating
Sound reduction: 17 dB
Durability class: Commercial class 33; domestic class 23
Application: Residential and commercial floors
Installation Location: Floor
Profile: Uniclic Click Lock

Warranty & origin

Country of origin: Switzerland
Warranty: 15 years residential (class 23); 5 years commercial (class 33)

View technical test data

Standards and reported results for this product.

Property	Standard	Result
Dimensions and thickness	EN 427, EN 428	ca. 620 x 450 x 9.5 mm
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
Reaction to fire	EN ISO 9239-1	Cfl s1 (B1)
Thermal resistance	EN 12524	0.09 m² K/W
Dimensional stability	EN 434	Less than 0.05%
Residual indentation	EN 433	Max. 0.12 mm
Lightfastness	ISO 105	Greater than 7
Resistance to chemicals	EN 423	Very good resistance
Emissions value	AgBB	According to AgBB
Swelling value, 24 h	EN 317	Less than 1% (waterproof)
Locking strength	ISO 24334	Greater than 650 kg per linear metre
Reaction to static electricity	EN 1815	Less than 2 kV
Coefficient of friction	EN 51130	R10 (very safe)
Micro scratch resistance	EN 16094	MSR-B1
Effect of stains	EN 438-2:2016	Grade 4-5
Impact sound reduction	EN 140	ca. 18 dB
Impact resistance	EN 438-2 / EN 13329	Class 34, fall height 1800 mm or more (big ball)
Slip resistance	EN 13398 2002-11	0.45 = DS
Furniture foot shift	EN 16581	No visible damage

Installation & care

Use this checklist to plan the project, then follow the linked product guide for the exact requirements.

Confirm that the subfloor is clean, dry, level and structurally sound; use a moisture barrier where the linked guide requires one.
Acclimate and inspect the material, mix planks from multiple cartons, and preserve every required perimeter and transition gap.
Sweep or vacuum grit and clean with a well-wrung damp cloth or mop—never leave standing water on the floor.

Product documents

Common questions

Can I install this over in-floor heating?

Yes. Industrial Grey is compatible with electric and hydronic underfloor heating systems, and its low thermal resistance of 0.09 m² K/W lets heat pass through efficiently.

Is it suitable for a basement or a room that gets wet?

Yes. It is rated for below grade, on grade, and above grade installation. The Hydrowood core is fully waterproof, with less than 1 percent swelling after 24 hours of water exposure (EN 317).

Will it stand up to pets, office chairs, and heavy traffic?

It carries a class 33 commercial durability rating, is suitable for type W castor chairs (EN 425), rates MSR-B1 for micro scratch resistance, and showed no visible damage in furniture foot shift testing (EN 16581).

How is it installed?

It floats over the subfloor using the Uniclic click-lock profile, with no glue or nails. Each carton covers 1.67 m² (18.01 sq ft) with 6 planks; plan for about 10 percent overage when ordering.

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