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How to Paint Your Home's Exterior

By Brian G.

Date Updated: June 30, 2020

A gray two-story house with painted siding and wood shingles.

You can easily upgrade your curb appeal with a fresh coat of paint on your home's exterior. Use this helpful how-to guide to learn about priming the outside of your home, application techniques and problem-solving.


Getting Started

  • Complete exterior repair and preparation. See Prepare Your House for Exterior Painting below.
  • Check the weather forecast before starting the job. Rain or high wind can cut a day of painting short and ruin what's already been applied. Exterior latex is fast drying, but it still needs time to dry before it gets hit by rain. Oil-based paint definitely needs curing time; check the manufacturer's recommendations. Paint when temperatures are above 50 degrees Fahrenheit and below 85 degrees Fahrenheit. Heavy rain or high humidity on a newly painted uncured surface can cause blistering.
  • Set the ladder up on flat ground. For more about ladder safety, see our Ladder and Scaffolding Buying Guide.
  • Avoid painting in direct sun. Paint the west-facing side in the morning and the east in the afternoon.

Caution

Paint on homes built before 1978 may contain lead. Check with your local health department or the Environmental Protection Agency if you have questions or concerns.

Instructions

Paint Primer

A primer will help paint adhere to the surface, providing a more uniform appearance. Use a primer when painting over new wood, bare wood or repainting over existing bright or dark colors. See our Primer Buying Guide for more tips.

Paint Application

  • Paint the siding first. Start at the top, painting horizontally as you work your way down. Use a scaffold if possible, or move the ladder regularly. Over-reaching on a ladder is dangerous; plus the paint application will be uneven if you can't see the lap marks well.
  • Paint the windows and trim next. Don't close the windows completely after painting to prevent sticking. Leave a very small strip of paint around the edges of the windowpanes to seal out the weather.
  • Paint the foundation last.

Potential Issues

Sunlight and UV radiation. Sunlight and moisture can cause chalking and tint loss; however, latex paint tends to resist the effects of direct sunlight better than oil-based or alkyd paints.

Water and moisture. Wood expands and contracts due to changing moisture levels and can cause paint to crack and flake under this stress. Permeable or breathable latex paint allows water to vaporize and escape before damage can occur. Moisture can cause blistering, which leads to mildew growth. Paint additives keep mildew from forming but will not kill existing mildew.

Change in temperature. Superior adhesion and flexibility in paint helps prevent cracking and flaking caused by the expanding and/or contracting of the substrate (wood, plywood, or hardboard). Top quality acrylic latex paint is an excellent choice for areas with freeze/thaw cycles.

Siding

Aluminum and vinyl siding present special challenges when painted. Aluminum siding frequently suffers from excessive chalking and may contain dents and imperfections. Pressure wash or hand-scrub to remove chalk and rinse afterwards. Satin or low luster paint is the best choice for aluminum siding because it hides dents and makes the imperfections less noticeable. A spray application gives the best appearance. Vinyl siding has the same problems with one additional limitation. Vinyl siding has a tendency to buckle or warp irreversibly from hot, direct sunlight. Darker colors will absorb more heat, so select a paint color no darker than the original color of the original vinyl.

Paint Storage and Disposal

  • Clean paint from the rim of the can. Seal container lids tight by tapping with a hammer and a block of wood.
  • Store solvent-based paint cans upside down to prevent a skin from forming.
  • Avoid extreme heat or cold.
  • Disposal methods vary by community. Check your local environmental, health, and safety laws.
  • Always follow label instructions for additional storage information.
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