FPE Oil Primer/Undercoat is a high performance, tintable primer for most interior and exterior wooden surfaces. This primer is an ideal foundation for the HOLLANDLAC, ECO and Eurolux House Paint systems. Application of Primer/Undercoat is recommended on new, unpainted surfaces which are to receive HOLLANDLAC Enamel or Swedish Putty. On exterior substrates in poor conditions, it is strongly recommended to use Oil Primer/Undercoat.