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ARBOKOL AG2 Pouring Grade - Two-Part Polysulphide for Horizontal Floor and Road Joints

Arbokol AG2 Pouring Grade is a two-part self-levelling polysulphide sealant that cures to a flexible rubber seal with good adhesion to concrete, stone, and metals. Formulated specifically for horizontal structural floor joints, road joints, runway aprons, and runways, it provides 25% butt joint movement accommodation and a 20+ year service life.

Specify ARBOKOL AG2 Pouring Grade

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Unique properties of Arbokol AG2 Pouring Grade

Arbokol AG2 Pouring Grade flows into horizontal joints and cures to provide a durable, flexible seal for roads, runways, and structural floor joints.

  • Self-levelling (pouring grade) — flows under gravity into horizontal joints for complete fill

  • Flexible rubber seal — accommodates 25% butt joint movement in civil and infrastructure applications

  • Good adhesion to concrete, stone, and metals with recommended ARBO AG2 Porous Primer on concrete

  • Chemical resistance to petrol, diesel, jet fuel, and common solvents — suitable for road and airfield use

  • Specified for road joints, runway aprons, and horizontal structural floor joints

  • 20+ year service life — meets BS 5212 1990 Type FB

Technical Specifications & Downloads

Describtion Performance
Work Life at 20°C1 - 1.5 hours (other times may be possible – please consult Adshead Ratcliffe for further information)
Application Temperature +5˚C to + 40˚C
Service Temperature-40°C to + 80°C
Typical Shore D Hardness:15 - 20
Cure Rate at 20˚C/65 % RH:3 days at 20°C in a typical joint. At lower temperatures cure rate will be slower.
Chemical Resistance:Resistant to most dilute acids and alkalis, petrol, diesel, jet fuel and many solvents and vegetable oils
Service Life:20 years+ (when used in trafficked areas or other special environments, service life may be reduced).
UV Resistance:Good
Movement Accommodation:Butt joints (movement in tension and compression): 25%

Associated Products

Arbokol AG2 Gun Grade - ARBOSEAL Pro®

A two-part polysulphide sealant in gun grade consistency for vertical and overhead joints.

Arbokol 2150 - ARBOSEAL Pro®

A two-part polysulphide sealant for use in expansion joints in concrete, masonry and flooring.

Arbothane 1245SL - ARBOSEAL Pro®

A one-part polyurethane sealant with self-levelling properties for horizontal movement joints.

AG2 Porous Primer

A one-part solvent-based primer for porous surfaces such as concrete, for use with Arbokol AG2 and Arbokol 2150 polysulphide sealants.

ARBO® Cleaner 17

Xylene-based cleaner for the effective cleaning and degreasing of construction substrates prior to sealant application.

Frequently Asked Questions

1

Why choose ARBOSEAL Pro® Arbokol AG2 Pouring Grade for road and runway joint sealing?
Arbokol AG2 Pouring Grade is specifically formulated as a self-levelling sealant for horizontal applications where the sealant must flow into and completely fill the joint profile without tooling. Its polysulphide chemistry provides proven resistance to petrol, diesel, jet fuel, and de-icing chemicals — making it the correct specification choice for airport pavements and road surfaces where fuel and chemical spillage are expected. Its 25% movement accommodation handles the thermal and traffic-induced movement of civil infrastructure joints.

2

What are the key benefits of ARBOSEAL PRO® Arbokol AG2 Pouring Grade?
Arbokol AG2 Pouring Grade delivers self-levelling application convenience for horizontal joints, combined with the durability and chemical resistance of two-part polysulphide chemistry. With a 20+ year service life, BS 5212 1990 Type FB compliance, and a Shore D hardness of 15–20 for a flexible yet load-bearing seal, it is the proven choice for road, runway, and structural floor joint applications. Supplied as a 5 litre two-part pack applied via ARBO® Barrel Guns, it is efficient to use in large-area floor joint programmes.
 

3

What is the ARBOSEAL Pro® range?
The ARBOSEAL Pro® range is a comprehensive portfolio of professional-grade sealants manufactured by Adshead Ratcliffe under the ARBO® brand. The range covers silicone, modified polymer, polyurethane, polysulphide, epoxy, acrylic, butyl, and oil-based sealant technologies, providing a complete solution for sealing, bonding, and jointing across all types of construction projects — from glazing and cladding to flooring, facades, and secure environments.
 

4

Which ARBOSEAL Pro® sealant is right for my application?
Product selection depends on the substrate type, joint movement, environmental exposure, and performance requirements. Neutral cure silicones (e.g. Arbosil LMS, Arbosil 1096 S) suit glazing and perimeter sealing. High-modulus options (e.g. Arbomeric MP20) handle structural joints. Polysulphides (e.g. Arbokol AG2, Arbokol 2150) provide chemical resistance for floors, roofs, and water-retaining structures. Epoxy sealants (e.g. Arbokol SECURE, Arbokol 1025 SP) deliver hard-wearing seals for secure environments and pool applications. Contact ARBO® Technical Services for specific guidance.
 

5

What surface preparation is required before applying an ARBOSEAL Pro® sealant?
All joint faces must be clean, dry, and free from dust, oil, grease, loose material, and previous sealant residues. For porous substrates such as concrete and brickwork, the application of an ARBO® primer is recommended to maximise adhesion. Always consult the product-specific Technical Data Sheet (TDS) for primer and cleaner recommendations. Application should be carried out in accordance with BS 8000-16:1997 + A1:2010.
 
 

6

Where can I find technical documentation for ARBOSEAL Pro® products?
Technical Data Sheets (TDS), Safety Data Sheets (SDS), and Declarations of Performance (DoP) for all ARBOSEAL Pro® products are available for download on each individual product page at arbo.co.uk. The full ARBO® Product Catalogue is also available for download. For further technical support or specification advice, contact ARBO® Technical Services directly.

Explore the ARBO® Product Family

Sealants

Sealants for reliable movement joint, perimeter and weatherproof sealing in a wide range of applications.

Weather Protection

Effective weather sealing solutions for interface applications, penetration sealing and structural joints.

Adhesives

Bonding solutions for secure and durable adhesion across façade and construction substrates.

Accessories

Caulking Guns, Nozzles, Knives, Scrapers, G Clamps etc.

Find your contacts

Regardless of whether you are an architect and planner, property developer, industry specialist, distributor, applicator or specifier – if you have any questions about our products, services or specific construction projects, please feel free to contact the CARLISLE® contact person in your area with your technical questions. Our experts will be happy to advise you.

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Main Applications

Arbokol AG2 Pouring Grade is the specified choice for horizontal structural floor joints, road surfaces, runway aprons, and airfield pavements.

Runway & Airfield Joints

Sealing expansion and construction joints in runway aprons and airfield pavements

Road Joints

Sealing horizontal expansion and construction joints in concrete road surfaces and pavements.

Structural Floor Joints

Sealing horizontal structural floor joints in industrial facilities and civil engineering structures.

Hard Standing Areas

Sealing joints in concrete hard standing pads and external paved areas.

ARBOKol AG2 Gun Grade - ARBOSeal Pro®
Read more
ARBOKol 2150 - ARBOSeal Pro®
Read more
ARBOThane 1245SL - ARBOSeal Pro®
Read more
ARBO AG2 Porous Primer
Read more
ARBO Cleaner 17
Read more
ARBOSEAL Pro Range
Discover ARBOSEAL Pro®
Accessories
Discover ARBOPROTECT Pro®
Arbobond Pro
Discover ARBOBOND Pro®
Accessories
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