Lemoon's Painting CSLB #1120008

Painting a Front Door That Faces the Sun

By Lemoon's Painting

A front door facing the San Diego afternoon sun wears out sooner than any other painted surface on the house, because it takes direct heat, ultraviolet light and daily handling. It lasts when it is cleaned of hand oils, sanded, repaired, primed for its material and finished in a hard semi-gloss or gloss, with care taken over dark colors behind security doors.

The front door is the smallest part of an exterior repaint and the one people look at longest. It is also, on many San Diego homes, the hardest-working painted surface on the house: handled every day, kicked by shoes and grocery bags, and on a west- or south-facing entry baked by the afternoon sun for hours. In El Cajon or Santee, a door in that position can look tired within a few summers while the walls around it still look fine.

Refinishing it properly is a small job that makes a large difference.

Why do sun-facing doors fail first?

Heat. A door in direct afternoon sun gets far hotter than the air, and a dark door hotter still. Heat softens paint, dries out wood, and makes the door expand and contract every day.

Ultraviolet light. It breaks down the paint film, dulls gloss and fades color. Deep reds, blues and greens show it soonest.

Hands. The area around the handle and lock collects skin oils, which new paint will not grip unless they are removed.

Water at the bottom. Rain, sprinklers and mopping reach the bottom rail and the threshold, and the paint there lifts first.

What is your door made of?

Solid or engineered wood. Moves with moisture and heat. Needs any cracks or open joints filled and bare wood primed. A wood door that was stained and now faces full sun may be better painted; if you want to keep the wood showing, that is a staining job. Staining wood doors and gates.

Steel. Strong and stable, but it rusts wherever the coating is broken, particularly at the bottom edge and near the coast. It gets very hot in a dark color.

Fiberglass. Stable and does not rust, but its smooth, factory-finished skin needs careful cleaning and a primer that bonds to it.

Knowing the material decides the primer, and the primer decides whether the finish holds.

The security door question

Many San Diego homes have an iron security screen door or a storm door in front of the entry door. That outer door shades the entry door a little but can also trap heat in the gap between them on a sunny afternoon, a glass storm door most of all. Some door makers caution against dark colors on steel and fiberglass doors in that situation, because the trapped heat can affect the finish and the seals. If your door sits behind a security door and faces west, it is worth checking the maker’s guidance before choosing a very dark color. The security door itself is metal and is usually painted at the same time.

How a front door is refinished

  1. Remove or mask the hardware. Handle, lock, kick plate and knocker come off where practical, or are masked carefully.
  2. Clean it thoroughly. A degreasing clean takes off hand oils and grime, especially around the handle. Rinse and let it dry.
  3. Sand. The whole surface is scuff-sanded so the new paint has something to grip, and any failed paint is sanded back to a sound edge.
  4. Repair. Dents in steel are filled; cracks and open joints in wood are filled; rust spots on steel are taken back to clean metal.
  5. Prime. Bare wood, bare metal and fiberglass each get a primer suited to them. A glossy old finish gets a bonding primer.
  6. Finish coats. Usually two coats of a hard exterior enamel in semi-gloss or gloss, laid off in the direction of the panels and rails so brush or roller marks follow the construction of the door.
  7. Edges. The top and bottom edges are sealed where they can be reached, because that is where water gets into a wood door.

Spray or brush depends on the door and on your preference, which comes first. A sprayed door can be very smooth; a well-brushed door has a fine, traditional finish.

The day it is painted

Here is the part people do not expect. A painted door can be dry to the touch within a few hours and still be soft enough to stick to the weatherstripping when it is closed. Shut it too soon and the paint tears when it is opened again. So the door is painted early in the day, left open as long as practical, and closed carefully at night. Many exterior enamels take days or longer to reach full hardness, so for the first while it is worth closing it gently and keeping the kick plate area clear.

Choosing a color that lasts in the sun

A front door is where many people want a bold color, and that is a fine choice. Just know how it will behave. Lighter colors stay cooler and hold their look longer in full sun. Very dark colors look striking and show fading sooner, especially on a west-facing door in the inland valleys. How dark colors behave in inland heat. In communities such as Eastlake and Otay Ranch, check the approved palette first.

A small job, done properly

Ebenezer treats a front door with the same care as a whole elevation, because it is what everyone sees first. No job too small: a door on its own is welcome, and so is a door as part of a full exterior. More on exterior painting, or on how the sun treats homes in El Cajon and Santee.

If your front door has lost its color or its gloss, ask for a free estimate and Ebenezer will tell you what it needs to look right again.

Common questions

Can I paint a steel or fiberglass front door a dark color?

Often, yes, but check first. Dark colors absorb far more heat, and some door makers limit how dark a steel or fiberglass door can be painted, especially when a storm or security door traps heat in front of it. Too much heat can affect the door's finish and seals. The door's documentation or the maker's guidance is the place to look.

How long does a freshly painted front door need before it can be closed?

Paint can be dry to the touch within hours and still be soft enough to stick to weatherstripping when the door is shut. The label gives a time to recoat and a longer time to full cure. A painted door is usually left open or carefully propped as long as practical, and painted early in the day.

Should the front door be taken off its hinges to paint?

It depends on the door and the finish wanted. Taking it off allows the edges to be painted fully and a flatter, finer finish, but the opening has to be secured meanwhile. Many doors are painted well in place, with the hardware removed or masked. Ebenezer will tell you which suits your door.

Does my HOA have rules about front door color?

In many master-planned communities, yes. Front doors are often part of the approved palette, sometimes with a choice of accent colors. Check the guidelines or ask the management company before choosing, because a door is one of the most visible changes on a street.

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