| Process |
Rarely specified older product for corrosive environments. Can be brush, roller or spray applied |
| Strengths |
Good impervious layer to resist water, and therefore corrosion, but only while coating not perforated. |
| Weaknesses |
Sticky, thick coating with no aesthetic properties. Melts in high environmental temperatures (like tar) and is flammable at elevated temperatures. Limited self healing. No alloy bond. |
| Durability |
Eventually the volatile components come off and the residue becomes brittle. 10 years max. |
| Cost |
£10 sq m |
| Health and Safety |
Standard site issues, plus flammability issue. |
| Environmental |
Standard site issues, plus oil nature of product. |
