Arbomast BR

Mastic Sealants

Arbomast BR is a one part Butyl rubber based sealant for use in closed joint sealing and bedding applications. Arbomast BR exhibits good adhesion to many common construction

Arbomast BR forms a surface skin if exposed to air but the bulk of the material underneath remains non setting and pliable. This product is available in grey which is packed in 380ml cartridges.

£11.94 inc VAT

Available on back-order

Quantity Discount (%) Price
1 £11.94
2 0 % £19.32
3 0 % £25.44
4+ 0 % £31.08

Arbomast BR

  • One Part Butyl Based Sealant


  • Sealing between adjacent construction materials where minimal movement is anticipated
  • Metal to metal joints in curtain wall and window assemblies
  • Steel stanchions to concrete
  • Metal lap joints
  • Vehicles
  • Flanges
  • Brickwork
  • Bolts
  • Fittings and marine bedding

Not recommended

  • Use against bituminous materials
  • Movement Joints subject to high degrees of movement
  • Expansion Joints
  • Use Against Natural Stone


  • Grey

Epoxy.Ltd will deliver any paid for goods in the quickest possible way, usual delivery is 2/3 days however were we are sending goods overseas (this means across any water) this period may be extended up to two weeks or longer at the company’s discretion.

The company has an ongoing belief that good customers expect and deserve a top class service.
In the UK, any problem reported to us on delivery will be dealt with in the following manner:

  • Faulty product, automatic replacement on return of goods to the company.
  • Faulty product reported after 24 hours from delivery, product replaced after testing by the company, provided fault was found
  • Refunds are discretionary to the company and are made if there is a fault with any goods sold
  • Any goods that are wrongly ordered by the customer will be replaced subject to a 20% restocking charge (discretional to the company)
  • Overseas and anywhere the company has to pay a surcharge on delivery (overseas means across any water)
  • The company will only replace faulty goods on a like for like basis and only once the faulty goods are returned to the company
  • Wrongly ordered goods will only be refunded, once they are returned to the company in a good saleable condition, overseas postage is not refundable under any condition (overseas means across any water or were the company has to pay any surcharge on delivery) any remaining refund will be subject to a 30% re stocking fee
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