Spreading (improper):

Coating does not cover evenly.

Causes:

1) Coating insufficiently reduced

2) Evaporation is too quick

3) Improper spraying

4) Coat too thin

5) Draft causing a temperature variation

Solutions:

1) Dilute product as per instructions

2) Use a thinner that will evaporate slower

3) Adjust spraying equipment

4) Apply wet coat

5) Eliminate drafts