Some doors don t need primer but typically a good quality primer helps the topcoats of paint adhere better and creates a longer lasting finish.
How do you prep a fiberglass garage doors for paint.
If there are any recesses you will have more brush work to do.
That is not to say that you cannot paint fiberglass but do take the correct precautions and choose a good primer to increase the staying power.
Take your time and apply thin even coats.
You knowapplying just the right amount of filler blocking a guidecoat to check for low spots that sort of.
Fiberglass has a somewhat paint resistant surface which can affect the longevity of the coat you put on it.
Use a new roller cover.
The trick to great paint on fiberglass well on any surface actually is proper prep.
Raise the garage door 1 foot.
Next apply 1 coat of primer to help the paint stick and allow it to dry for 12 hours.
If the fiberglass door is completely flat you can use a paint brush to cut around the edges and a roller to paint the rest of the door.
Prime the garage door with the brush.
You must use a good bonding primer.
Then tape off any areas you don t want the paint to touch like the edge of the house.
Your door will look much better if you put on two thin coats of paint as opposed to one thick coat.
Use the type of primer and paint recommended by the door manufacturer.
Apply acrylic latex paint to the primed fiberglass garage door using the roller.
Apply the paint as you did the primer.