Arbo Mast GP
Arbo Mast GP

Arbomast GP

Mastic Sealants

Arbomast GP is a One-part Oil Based Sealant intended primarily for general pointing and sealing of many joints in traditional forms of construction. It forms a skin, but the bulk of the material remains plastic beneath the skin.

Arbomast GP

  • One Part Oil Based Mastic


  • Perimeter Sealing of Painted Timber Frames
  • Sealing of Preformed Concrete Panels e.g. Garages

Not recommended

  • High Movement Joints
  • Expansion Joints
  • Use against natural stone


  • Black
  • Grey
  • Natural
  • Teak
  • White

Download Arbomast GP literature:

Product Catalogue

Suitable ARBO® accessories:

Arbolite Dual Purpose Putty

Glazing and Bedding Compounds

ARBO® Linseed Oil Putty

Glazing and Bedding Compounds

ARBO® Polymer Putty

Glazing and Bedding Compounds

Arboflex 500

Glazing and Bedding Compounds