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ROCKWOOL Cool 'n' Comfort SL stone wool roof slab

ROCKWOOL

ROCKWOOL Cool 'n' Comfort SL stone wool roof slab

ROCKWOOL SL-series stone wool slabs for double-skin metal roofs, reducing heat and roof noise, with water-repellent silicone on the fibres.

Thickness
25–100 mm
Density
40–80 kg/m³
Thermal conductivity (λ)
0.034–0.035 W/m·K at 20 °C · ASTM C518

Choose model and size

1. Choose thickness
2. Choose model (density)
3. Choose sheet size
4. Facing (foil or unfaced)

Foil facing is offered for some models and sizes only; we confirm what can be supplied together with the price.

Your selection

ROCKWOOL Cool 'n' Comfort SL940 · Thickness 50 mm

Availability: Made to order / Please enquire

This size is listed by a distributor in Thailand but is not in the manufacturer's documents. Please ask us before ordering.

Sheet size
600 × 1,200 mm60 × 120 cm
Pack
6 sheets / pack
Area per pack
4.32 m²
Density
60 kg/m³
Request a price for this size
Technical values for SL940
Thermal conductivity (λ)at 20 °C
0.034 W/m·K
Noise reduction coefficient (NRC)50 mm thickness
1.05

See all models and sizesManufacturer documentsTechnical specifications

Product details

Building thermal insulationStone wool (rock wool)ROCKWOOL

Stone wool slab for double-skin metal roofs · SL920 / SL940 / SL950

Thickness
25–100 mm
Density
40–80 kg/m³
Thermal conductivity (λ)
0.034–0.035 W/m·K at 20 °C · ASTM C518
Noise reduction coefficient (NRC)
1.00–1.05 50 mm thickness

What is it?

Cool 'n' Comfort SL is a stone wool slab for double-skin metal roofs, fitted between the outer and inner sheets to reduce heat and noise and improve the roof's fire safety. The ROCKWOOL Thailand data sheet lists SL920 (40), SL940 (60), SL950 (80) and SL960 (100 kg/m³), 1,200 × 600 mm, 25–100 mm thick.

What is it made of?

Stone wool (rock wool) · Facing: Unfaced, or aluminium foil on one or both sides · Slab

What can it help with?

Hot house / hot roof

Which sizes are available?

Thickness 25–100 mm · 40–80 kg/m³ — Choose model and size

Where does the data come from?

Cool 'n' Comfort (slab and roll) — 800 356-08/25 V25-1 (TH)

Technical data from the manufacturer's documents ROCKWOOL · Checked 29 Sept 2026

Technical specifications

Technical values for each model from the manufacturer's data sheet. They apply to every thickness of that model unless a condition is given.

SL920

Density
40 kg/m³
Thermal conductivity (λ)at 20 °C
0.035 W/m·K
Thermal resistance (R)at 50 mm thickness
1.43 m²·K/W
Noise reduction coefficient (NRC)50 mm thickness
1.00

SL940

Density
60 kg/m³
Thermal conductivity (λ)at 20 °C
0.034 W/m·K
Thermal resistance (R)at 50 mm thickness
1.47 m²·K/W
Noise reduction coefficient (NRC)50 mm thickness
1.05

SL950

Density
80 kg/m³
Thermal conductivity (λ)at 20 °C
0.034 W/m·K
Thermal resistance (R)at 50 mm thickness
1.47 m²·K/W
Noise reduction coefficient (NRC)50 mm thickness
1.05

All models

Water absorption (partial immersion)
0.5 kg/m²
Reaction to fire
Non-combustible, class A1 · gross heat of combustion ≤ 3.2 MJ/kg
Melting point
> 1,200 °C
Moisture absorption
less than 0.04% by volume
Test standards and sources

Models and sizes available

Sheet sizes 60 × 120 cm, 100 × 120 cm, 120 × 150 cm · thicknesses 25, 50, 75, 100 mm. Sizes differ by model — all are listed below.

SL920 · 40 kg/m³

Thickness 50 mm

  • 600 × 1,200 mm60 × 120 cm 8 sheets / pack5.76 m²/packMade to order / Please enquire Ask price
  • 1,000 × 1,200 mm100 × 120 cm 4 sheets / pack4.80 m²/packMade to order / Please enquireDistributor listing Ask price
  • 1,200 × 1,500 mm120 × 150 cm 4 sheets / pack7.20 m²/packMade to order / Please enquireDistributor listing Ask price

Thickness 75 mm

  • 600 × 1,200 mm60 × 120 cm 4 sheets / pack2.88 m²/packMade to order / Please enquireDistributor listing Ask price
  • 1,000 × 1,200 mm100 × 120 cm 2 sheets / pack2.40 m²/packMade to order / Please enquireDistributor listing Ask price
  • 1,200 × 1,500 mm120 × 150 cm 2 sheets / pack3.60 m²/packMade to order / Please enquireDistributor listing Ask price

Thickness 100 mm

  • 600 × 1,200 mm60 × 120 cm 3 sheets / pack2.16 m²/packMade to order / Please enquireDistributor listing Ask price
  • 1,000 × 1,200 mm100 × 120 cm 2 sheets / pack2.40 m²/packMade to order / Please enquireDistributor listing Ask price
  • 1,200 × 1,500 mm120 × 150 cm 2 sheets / pack3.60 m²/packMade to order / Please enquireDistributor listing Ask price

SL940 · 60 kg/m³

Thickness 50 mm

  • 600 × 1,200 mm60 × 120 cm 6 sheets / pack4.32 m²/packMade to order / Please enquireDistributor listing Ask price
  • 1,000 × 1,200 mm100 × 120 cm 4 sheets / pack4.80 m²/packMade to order / Please enquireDistributor listing Ask price
  • 1,200 × 1,500 mm120 × 150 cm 4 sheets / pack7.20 m²/packMade to order / Please enquireDistributor listing Ask price

Thickness 75 mm

  • 600 × 1,200 mm60 × 120 cm Made to order / Please enquireDistributor listing Ask price
  • 1,000 × 1,200 mm100 × 120 cm 2 sheets / pack2.40 m²/packMade to order / Please enquireDistributor listing Ask price
  • 1,200 × 1,500 mm120 × 150 cm 2 sheets / pack3.60 m²/packMade to order / Please enquireDistributor listing Ask price

Thickness 100 mm

  • 600 × 1,200 mm60 × 120 cm 3 sheets / pack2.16 m²/packMade to order / Please enquireDistributor listing Ask price
  • 1,000 × 1,200 mm100 × 120 cm 2 sheets / pack2.40 m²/packMade to order / Please enquireDistributor listing Ask price
  • 1,200 × 1,500 mm120 × 150 cm 2 sheets / pack3.60 m²/packMade to order / Please enquireDistributor listing Ask price

SL950 · 80 kg/m³

Thickness 25 mm

  • 600 × 1,200 mm60 × 120 cm 12 sheets / pack8.64 m²/packMade to order / Please enquireDistributor listing Ask price

Thickness 50 mm

  • 600 × 1,200 mm60 × 120 cm 6 sheets / pack4.32 m²/packMade to order / Please enquireDistributor listing Ask price
  • 1,000 × 1,200 mm100 × 120 cm 4 sheets / pack4.80 m²/packMade to order / Please enquireDistributor listing Ask price
  • 1,200 × 1,500 mm120 × 150 cm 4 sheets / pack7.20 m²/packMade to order / Please enquireDistributor listing Ask price

Thickness 75 mm

  • 600 × 1,200 mm60 × 120 cm 4 sheets / pack2.88 m²/packMade to order / Please enquireDistributor listing Ask price
  • 1,000 × 1,200 mm100 × 120 cm 2 sheets / pack2.40 m²/packMade to order / Please enquireDistributor listing Ask price
  • 1,200 × 1,500 mm120 × 150 cm 2 sheets / pack3.60 m²/packMade to order / Please enquireDistributor listing Ask price

Thickness 100 mm

  • 600 × 1,200 mm60 × 120 cm 3 sheets / pack2.16 m²/packMade to order / Please enquireDistributor listing Ask price
  • 1,000 × 1,200 mm100 × 120 cm 2 sheets / pack2.40 m²/packMade to order / Please enquireDistributor listing Ask price
  • 1,200 × 1,500 mm120 × 150 cm 2 sheets / pack3.60 m²/packMade to order / Please enquireDistributor listing Ask price

Pack quantities are based on sales information in Thailand. Please confirm the pack contents before ordering. Area per pack = sheet size × sheets per pack.

Applications

RoofLess heat and rain noise from the roofFactoriesFactory roofs, machine noise and hot pipework

Highlights

  • For double-skin metal roofs
  • NRC 1.00–1.05 (at 50 mm)
  • Non-combustible, class A1
  • Water-repellent silicone-treated fibres

Manufacturer documents

Cool 'n' Comfort (slab and roll) — 800 356-08/25 V25-1 (TH)PDF · ROCKWOOL (Thailand) · THROCKWOOL Thailand product page — Cool 'n' Comfort (product variant table)Web page · ROCKWOOL (Thailand) · TH

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