Your door will look much better if you put on two thin coats of paint as opposed to one thick coat.
Best way to paint a fiberglass entry door.
Using the smooth up and down strokes paint the remaining vertical stiles.
Alkyd paint is also more likely to fade if exposed to a lot of sunlight especially if it has red or blue pigments added.
Start the paint from the top and then work the way to the bottom.
Oil based door paint is also significantly resistant to chipping and dries quickly.
Take your time and apply thin even coats.
If the door was previously painted or stained follow the same pattern to apply a bonding primer to the entire door before you begin painting.
Paint the door with a latex primer first.
For fiberglass doors apply a water based paint as its thinner and less sticky composition goes onto the slick surface of fiberglass more easily than thicker stickier oil based paints.
Use the type of primer and paint recommended by the door manufacturer.
Allow the primer to dry completely before putting on the top coat.
Choose exterior grade water based latex paint.
Alkyd paint alkyd oil based paint works well on fiberglass doors although the long drying time makes it inconvenient for an entry door since you need to keep the door open slightly as it dries.
Apply the paint in a smooth side to side stroke.
Other exterior paint options include convenient all in one varieties which eliminate the need for applying primer.
Although less common richly colored oil based exterior paint is also available which features a high gloss finish that will make the design pop.
Using semigloss exterior paint and a 2 inch angled sash brush with synthetic bristles paint around the edges of the.
Fiberglass surfaces can get quite smooth as you will have realized if you sanded the door so if you want that super clean finish you can apply the primer with a spray.
Also paint the vertical centerpiece of the fiberglass door which is known as a stile in the smooth up and down motion.
Rolling or brush application with care also will yield good results.
Paint a section at a time.
Painting a fiberglass entry door is much like painting a wood door without a need for sanding before paint is applied.
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.
If there are any recesses you will have more brush work to do.