What is Griffon Kolmat sealing paste used for?

It is designed to seal metal threaded joints in (drinking) water, central heating, gas, and compressed air systems.

Should this paste be combined with sealing fibres?

Yes, use it together with hemp for water installations or with acrylic fibre for gas installations.

Does the sealing paste cure after assembly?

No, it does not cure, ensuring connections remain re-adjustable and easy to dismantle.

What are the pressure and temperature limits?

For gas up to 5 bar (-20 °C to +70 °C), for water up to 16 bar (95 °C) and up to 7 bar (130 °C).

Can this product be used on oxygen systems?

No, this sealing paste is not suitable for oxygen systems.

GRIFFON KOLMAT sealing paste (875g pot) - 6303662

Name: GRIFFON KOLMAT sealing paste (875g pot) - 6303662
Brand: GRIFFON
SKU: 13030176
Price: 11.42 EUR
Availability: InStock

Supplier number: GRIFFON 6303662 | EAN 8710439143880

From 1 piece €11.42

From 12 pieces €10.85 - €6.85 saving

From 24 pieces €10.57 - €20.56 saving

From 36 pieces €10.28 - €41.12 saving

11.42 tax incl.

€9.44 excl. VAT (incl. all environmental contributions)

On stock - immediately available

Ordered before 20:00 - delivered tomorrow 02/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

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Dependable sealing with Griffon Kolmat

Practical benefits

Re-adjustable non-curing paste: Because the formula does not harden, you can easily re-adjust threaded pipe joints after installation without losing sealing performance.
Broad multi-system compatibility: You reliably seal metal threaded connections in water, central heating, gas, and compressed air systems when combined with hemp or acrylic fibre.
Effective corrosion protection: The paste protects metal surfaces against corrosion, making future disassembly and maintenance of piping systems straightforward and quick.

In a nutshell

The right choise for

With Griffon Kolmat sealing paste in an 875 g tub, you create dependable, leak-free joints across all your pipework. Designed for metal threaded connections in drinking water, sanitary, central heating, gas, and compressed air systems, it delivers an optimal seal when paired with hemp or acrylic fibre. Because the non-curing formula does not harden, you can easily re-adjust assembled fittings, taps, and valves without compromising sealing performance. Additionally, the paste protects pipe threads against corrosion and seizing, ensuring smooth and damage-free disassembly during future maintenance. It provides the flexibility and reliability you need to tackle every installation job with confidence.

Product information FAQ

€11.42

In stock - tax incl.

Key features according to our expert

Weight: 875 g
ADR packing group: Not applicable
ADR class: Not applicable
UN number: Not applicable
Principal hazard property: GHS07 Harmful or irritant
Relative density: 1,768
Conseils de prudence (P): P101; P102; P271; P280; P305 + P351 + P338; P501
Hazard class: GHS07 Harmful or irritant
Physical state: Solid
Packaging: Jar
H-statements: H319; H335

Product description:

Sealing paste for sealing metal threaded connections.

Field of application:

For sealing metal threaded connections in, e.g., (drinking) water, centralheating, gas and compressed air systems.
Use in combination with Kolmat®hemp or acrylic fibre.
Gas: -20°C to +70°C, up to 5 bar.
Water: 95°C, up to 16 bar:130°C, up to 7 bar.
Not suitable for oxygen.

Properties:

Resistant to high temperature variations
Not affected by gas and water
Re-adjustable (does not cure)
Removable
Corrosion retardant

Precautionary statements

P101: If medical advice is needed, have product container or label at hand.
P102: Keep out of reach of children.
P271: Use only outdoors or in a well-ventilated area.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P501: Dispose of contents/container to ... (see safety data sheet).

Hazard statements

H319: Causes serious eye irritation.
H335: May cause respiratory irritation.

All Features

Weight: 875 g
Adr packing group: Not applicable
Adr class: Not applicable
Un number: Not applicable
Principal hazard property: GHS07 Harmful or irritant
Relative density: 1,768
Conseils de prudence (p): P101; P102; P271; P280; P305 + P351 + P338; P501
Hazard class: GHS07 Harmful or irritant
Physical state: Solid
Packaging: Jar
H-statements: H319; H335
Width: 92 mm
Scope: For sealing metal threaded connections in e.g. (drinking) water, central heating, gas and compressed air systems. Use in combination with Kolmat® Hemp or Acrylic Fibre. Gas: -20°C to +70°C, max. 5 bar. Water: 95°C, max. 16 bar,
Height: 127 mm
Length: 115 mm
Colour: Green
Temperature resistance: -20°C to +130°C

Brand GRIFFON
13030176
EAN 8710439143880
Supplier number GRIFFON 6303662

Frequently asked questions about this product

Answered by specialists

What is Griffon Kolmat sealing paste used for?: It is designed to seal metal threaded joints in (drinking) water, central heating, gas, and compressed air systems.
Should this paste be combined with sealing fibres?: Yes, use it together with hemp for water installations or with acrylic fibre for gas installations.
Does the sealing paste cure after assembly?: No, it does not cure, ensuring connections remain re-adjustable and easy to dismantle.
What are the pressure and temperature limits?: For gas up to 5 bar (-20 °C to +70 °C), for water up to 16 bar (95 °C) and up to 7 bar (130 °C).
Can this product be used on oxygen systems?: No, this sealing paste is not suitable for oxygen systems.