Multicrete Products Trowel Grade Pointing Mastic in Stone
Area Coverage - 1kg = 12.5m to a 9mm joint.
Mix a 25kg bag of mastic with 2.5ltr of Double Boiled Linseed Oil.
- Traditionally used for over 200 years
- For use between window and door frames
- Slowly hardens and is flexible to apply
- Add oil a little at a time mixing until the mastic is worked into a thick putty