Been having problems with softwood garage doors. The first set was last summer, they were only 2 years old but the client had primed u/c and glossed in black but no knotting so burnt off around the knots, washed over the knots with meths, knot, and coat over the knots with cover stain then 2 coats of black bedec msp. This started to blister within minutes not just on some of the knots but also on areas with no knots. Started again this time used a oil based u/c and rustoleum multi surface in...
Stumped by Garage doors.
Stumped by Garage doors.