Primer

[py rookie]

Hi peeps,how long do I leave primer on the walls,would you say 24 hours or a 2 hours,it's on18m ply

 

[charlie1]

Until it's dry... Usually about 30 mins

 

[peckers]

some manufacturers give different drying times it should state on the bottle!

 

[White Room]

Read manufacturers instructions as guidelines....

 

[Ajax123]

General rules based on average times from manufacturers and experience

Acrylic primer 4 hours
epoxy primer 16 hours
sbr primer 24 hours
polyurethane primer 6 hours