Penguard HB is a high build, two-pack pure epoxy primer. It is ideal for application on GRP or gelcoat as it provides excellent waterproofing and will help prevent osmosis.
This tool should be used as a guide only. Penguard HB may not be an exact match for Sigma Universal Primer HS by PPG Protective & Marine Coatings but we have given the closest match we can. Penguard HB should do the same job and have similar properties but you should always read the technical data sheets for both Penguard HB and PPG Protective & Marine Coatings Sigma Universal Primer HS to be sure. Please see any notes to see any major differences and call us on 01285 862 132 if you have any specific questions.