ARBO Arbomast BR 380ml
£4.99 inc. VAT
£4.16 ex. VAT
- Product ID: FCBR40CGR
- Suitable For: creating water and airtight seals
- Area of use: INT & EXT
- Application Method: silicone gun
- Volume: 380ml
- Container Type: cartridge
- Type: sealant
- Colour: grey
- Brand: ARBO
- Manufactuer: ARBO
- Box Size: 1
Arbomast BR is a single-component, Butyl rubber-based sealant designed for closed joint sealing and bedding applications, providing reliable adhesion to various common construction substrates. It forms a protective surface skin upon air exposure, while the main body of the sealant remains non-setting and pliable, making it ideal for flexible and durable seals in closed joints.
Key Points:
- Single-Part Butyl Rubber Sealant: Easy to apply and well-suited for closed joint and bedding applications.
- Excellent Adhesion: Bonds effectively with a range of construction materials, ensuring strong, long-lasting seals.
- Surface Skin Formation: Develops a protective skin on the surface when exposed to air, enhancing durability.
- Non-Setting and Flexible Core: Maintains a pliable interior, allowing the sealant to adapt to joint movement over time.
Storage: Up to 12 months when kept in its original, unopened packaging and stored in a cool, dry location away from direct sunlight.
For more information on ARBO, please visit their website here.
For more in our range of sealants, please click here. For our full range of ARBO products, please click here.
Arbomast BR is a non-setting sealant ideal for creating water and airtight seals between metal-to-metal joints in curtain wall and window assemblies, as well as for sealing metal lap and fixing joints. While it provides an effective seal, it offers minimal structural strength, making it suitable for bedding and concealed joints across various construction substrates, including timber, concrete, and metals. Additionally, it is recommended for sealing joints in heating and ventilation ductwork.
Note: Arbomast BR is not suitable for use on bituminous materials, joints subject to high movement, natural stone, or UV-exposed joints.
Joint Preparation:
Before application, ensure all surfaces to be bonded are clean, dry, and free from any contaminants. Use the recommended Arbo Cleaner to degrease the surfaces thoroughly. Arbomast BR generally adheres well to most common construction substrates without a primer; however, for surfaces that are excessively porous, brittle, or friable, it is advisable to prime with Arbo 925 Primer to ensure optimal adhesion.
Application:
Arbomast BR is provided in polyethylene cartridges and can be easily applied with an Arbo Caulking Gun for precise and efficient sealing.
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| Elementlength | |||||||
| up to 1,5 m | up to 2,5 m | up to 3,5 m | up to 4,5 m | up to 2,5 m | up to 3,5 m | up to 4,5 m | |
| Type of window frame material |
Minimum witdth of joints for a butled mounting b in mm | Minimum witdth of joints for a inner mounting b in mm | |||||
| Hard PVC (white) | 10 | 15 | 20 | 25 | 10 | 10 | 15 |
| Hard PVC and PMMA (dark) (colour extruded) | 15 | 20 | 25 | 30 | 10 | 15 | 20 |
| Hard PUR integral foam | 10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Wood-aluminium-window | 10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Aluminium-plastic sandwich frame (bright) | 10 | 10 | 15 | 20 | 10 | 10 | 15 |
| Aluminium-plastic sandwich frame (dark) | 10 | 15 | 20 | 25 | 10 | 10 | 15 |
| Wooden window frame | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
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