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ARBOcaulk - Paintable Acrylic Sealant for Internal Low-Movement Jointing

ARBOcaulk is a one-part water-based acrylic sealant designed for internal low-movement joints in domestic and commercial buildings. Paintable with water-based paints within 3 hours of application and with gloss paints within 12 hours, it requires no primer on most substrates, has a fast skin time of 5 minutes, and meets EN 15651-1:2017.

Specify ARBOcaulk

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Unique properties of ARBOcaulk

ARBOcaulk provides a clean, paintable finish for internal jointing around frames, skirting, and architectural details — no primer required.

  • Paintable — compatible with water-based paints (3 hours) and gloss paints (12 hours)

  • No primer required — bonds to common internal substrates without pre-treatment

  • Fast skin time of 5 minutes — suitable for fast-track internal fitting and decoration programmes

  • Water-based formulation — low odour and easy cleanup during installation

  • Suitable for window frames, door frames, skirting boards, walls, and ceilings

  • 15+ year service life — meets EN 15651-1:2017

Technical Specifications & Downloads

Describtion Performance
Specification ComplianceEN15651 - 2017
Skin Time at 20º C/65 % RH5 minutes
Application Temperature +5˚C to + 40˚C
Service Temperature-10°C to + 70°C
Cure Rate at 20˚C/65 % RH:Dependent upon sealant depth, ambient temperature, and humidity.
Chemical Resistance:Fair resistance to most dilute acids and alkalis. Poor resistance to organic solvents
Service Life:15 years +
UV Resistance:Not applicable
Movement Accommodation:Butt joints (movement in tension and compression): 10 %.
Lap joints (movement in shear): 10 %.

Associated Products

Arbosil HM - ARBOSEAL Pro®

A high-modulus neutral cure silicone sealant for structural and high-performance glazing applications.

Arbosil 1081 - ARBOSEAL Pro®

Acetoxy cure silicone sealant recommended for sanitary and internal applications.

Arbosil ONE - ARBOSEAL Pro®

A one-part neutral cure low modulus silicone sealant developed for demanding construction applications.

Arbosil 1090 - ARBOSEAL Pro®

For sealing concrete, brickwork, metals and many other construction substrates.

Arbomeric MP20 - ARBOSEAL Pro®

A one-part moisture-curing polyurethane sealant for movement joints in façade, roofing and general construction.

Frequently Asked Questions

1

Why choose ARBOSEAL Pro® ARBOcaulk for internal jointing and decoration?
ARBOcaulk is a water-based acrylic sealant specifically formulated for internal finishing applications where paintability and ease of use are the primary requirements. Its fast 5-minute skin time allows rapid progression from sealing to decoration, and its compatibility with both water-based and gloss paint systems makes it the practical choice for internal fitting-out programmes. No primer is needed on common internal substrates, reducing material cost and installation time.

2

What are the key benefits of ARBOSEAL Pro® ARBOcaulk?
ARBOcaulk offers fast skin time, easy application, and reliable paintability in a low-odour, water-based formulation that is safe and clean to use in occupied or newly finished internal environments. With a 15+ year service life and EN 15651-1:2017 compliance, it provides long-term performance for internal low-movement joints. Supplied in 380 ml cartridges for use with the ARBO® Caulking Gun, it is straightforward to apply and clean up on site.

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.

Here's how to do it: Simply enter your postcode in the search field of the map

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E info.uk@ccm-europe.com

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Main Applications

ARBOcaulk is the specified choice for internal low-movement joints in domestic and commercial finishing applications.

Window & Door Frames

Sealing internal perimeter joints around window and door frames prior to decoration.

Skirting Boards

Filling and sealing joints between skirting boards and walls or floors.

Walls & Ceilings

Sealing internal joints at wall-to-ceiling junctions and between wall boards

General Internal Pointing

Filling and sealing low-movement internal joints across a wide range of construction substrates.

ARBOSil HM - ARBOSeal Pro®
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ARBOSil 1081 - ARBOSeal Pro®
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ARBOSIL ONE - ARBOSEAL Pro®
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ARBOSil 1090 - ARBOSeal Pro®
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ARBOMeric MP20 - ARBOSeal Pro®
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