ROCKWOOL · Marine Insulation

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SeaRox SL 436

SeaRox SL 436 is a semi-rigid stone wool slab developed for floating-floor insulation only, used with an approved top layer. Its fibre structure is tuned for low dynamic stiffness (11–21 MN/m³ depending on thickness), which is what gives a floating floor its impact-sound performance. Nominal density 140 kg/m³, thermal conductivity 0.037 W/mK, compressive strength ≥ 12 kPa. Non-combustible to IMO 2010 FTP Code Part 1 (MED certificate MEDB00001Z8) and part of the DNV-approved "Steel Deck A-60 floating floor" build-up (MEDB000016G): 60–100 mm SeaRox in one or two layers of equal thickness under two bonded 1.5 mm steel plates. Slabs 600 × 1000 mm in 30, 40, 50 and 60 mm. Supplied by Trivaro.

Article numbers (4)

Also known as: SeaRox SL 436, SL 436, SeaRox 436, Rockwool SeaRox SL436, marine floating floor insulation

Thickness

30.00, 40.00, 50.00, 60.00 mm

Format

Slab

Sizes

600×1000 mm

Fire Class

Non-combustible (IMO 2010 FTP Code Part 1)

Installation

Loose-laid with staggered joints under bonded steel top plates

Material

Stone wool slab, semi-rigid

IMO

Certified

Certificates & Compliance

Fire Class Non-combustible (IMO 2010 FTP Code Part 1)

Product Images (1)

Available Options

Variants (4 variants)

SKU 115763 — ROCKWOOL SeaRox SL 436, Slab 600×1000 mm

115763
30 mm · Slab 600×1000 mm
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SKU 115769 — ROCKWOOL SeaRox SL 436, Slab 600×1000 mm

115769
40 mm · Slab 600×1000 mm
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SKU 115770 — ROCKWOOL SeaRox SL 436, Slab 600×1000 mm

115770
50 mm · Slab 600×1000 mm
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SKU 115771 — ROCKWOOL SeaRox SL 436, Slab 600×1000 mm

115771
60 mm · Slab 600×1000 mm
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Technical Data

Specifications

Density kg M3 140
Compressive Strength Kpa 12
Width cm 60
Length cm 100
Surface Per Pallet 30 mm: 93.6 · 40 mm: 72 · 50 mm: 57.6 · 60 mm: 46.8 m²
Material Stone wool slab, semi-rigid
A60 Rated Yes
Fire Class Non-combustible (IMO 2010 FTP Code Part 1)
A60 Build Up Steel deck + 60–100 mm SeaRox SL 436 (1 or 2 layers of equal thickness, staggered joints) + 2 × 1.5 mm steel plates bonded with adhesive
A60 Certificate No MEDB000016G rev.1 (DNV, Steel Deck A-60 floating floor, valid to 2027-02-20)
Sound Absorption αw = 0.85 (50 mm, directly mounted, ISO 354 / ISO 11654)
Thermal Conductivity 0.037
Med Certificate No MEDB00001Z8 rev.17 (DNV, non-combustible, valid to 2028-02-15)
Installation Method Loose-laid with staggered joints under bonded steel top plates
Facing Plain (unfaced); facings to IMO A.653(16) on request
Standard EN 12667 / EN 1602 / EN 826 / EN 1609 / EN 29052-1
IMO Certified Yes
Organic Content % 1.4
Water Absorption kg M2 < 1 (short term, EN 1609)
Dynamic Stiffness Mn M3 30 mm: 21 · 40 mm: 17 · 50 mm: 14 · 60 mm: 11 (EN 29052-1)

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