Integrity Roofing and Painting
Exterior Painting

Exterior Paint in High-Altitude UV: What Holds Up in Colorado Springs

Sun at 6,000 feet is hard on paint. Here is how to choose and apply paint that lasts on the south and west walls.

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Key numbers

103 verified hail storms with stones of 1.5 inches or larger reached El Paso County, which includes Colorado Springs, from 2000 to 2025 in the storm records we keep; the largest measured 4.5 inches (softball size) on July 13, 2011 (NOAA NCEI).

Hail storms by decade, 2000 to 20252000s: 35, 2010s: 44, 2020s: 24
Source: Storm library: El Paso County hail history
Largest hail4.5 in. (softball), July 13, 2011
Source: NOAA NCEI
Costliest hail storm$352.8 million insured losses (2016 dollars), July 28, 2016
Source: RMIIA
2% to 5%Real estate experts estimate fresh exterior paint can increase a home's value by 2% to 5%, as reported by Consumer Reports.
Source: Consumer Reports, 2026
Up to 10One topcoat of paint on properly prepared wood should last four to five years, and two topcoats up to 10 years, per Purdue/USDA Forest Products Lab guidance.
Source: Purdue University Cooperative Extension / USDA Forest Products Laboratory, 1988 (revised)
15NAHB's 2007 study says interior and exterior paint can last 15 years or longer, though homeowners often repaint sooner.
Source: National Association of Home Builders / Bank of America Home Equity, 2007

A storm counts when the library lists El Paso County among the areas it hit. Each hail size is the storm's largest report, which may have fallen in a neighboring county, and insured losses cover every area the storm hit.

At Colorado Springs altitude, sunlight breaks down exterior paint faster, so the south and west walls fade and chalk years before the north side. The EPA notes that UV reaching the ground depends on altitude, and the city sits above 6,000 feet with long stretches of clear sky. Paint lasts longer here when it is a quality 100% acrylic exterior product, applied over clean, sound, primed surfaces, in weather the paint is rated for, with extra prep on the sun-facing walls. Integrity Roofing and Painting uses Sherwin-Williams and Behr exterior paints on Colorado Springs homes and plans each job around the sun.

What UV does to paint

Paint is pigment held in a binder. UV light attacks the binder at the surface, which releases loose pigment as a powdery film called chalk, and the color fades as the surface erodes. On wood, UV goes further: the USDA Forest Products Laboratory found bare wood surfaces start to degrade within one to two weeks outdoors, and paint applied over wood that was left to weather first bonds poorly and tends to crack and peel within a few years. That is why primed wood should not sit unpainted, and weathered wood has to be sanded back to sound fiber.

Which walls fail first

ElevationSun loadWhat we usually see
SouthMost hours of direct sunChalking, fading, cracked caulk
WestHot afternoon sunFading, blistering on dark colors, split trim
EastMorning sun, dewModerate wear, mildew in shade
NorthLittle direct sunMildew, slow drying, the best-looking paint

On a Briargate two-story or a Broadmoor ranch alike, we often recommend extra attention on the south and west walls, and HOA color approval comes before any color change: more sanding and spot priming, fresh caulk, and a second full coat even where one coat would look fine on the north side.

Paint choices that hold up

  • 100% acrylic exterior paint. Behr’s data sheet for Premium Plus Exterior Flat describes it as a premium 100% acrylic paint and primer with a mildew-resistant finish. Sherwin-Williams describes Duration Exterior as an acrylic latex backed by a lifetime limited warranty from Sherwin-Williams. Those warranties are the paint maker’s, not ours.
  • The right primer for the surface. Behr’s sheet, for example, calls for its stain-blocking primer under the topcoat on fiber cement, and bare wood needs primer before paint.
  • Color with care. Dark colors run hotter, which Purdue Extension and Forest Products Laboratory guidance links to temperature blistering on fresh paint. Lighter and mid-tone colors usually look newer longer.

Application in strong sun

Sun on the wall while paint is going on is a common cause of early failure. Purdue’s paint-failure bulletin, written with the Forest Products Laboratory, says temperature blisters form when fresh paint is heated by direct sun, and recommends painting each side while it is in shade. We follow the shade around the house: west walls in the morning, east walls in the afternoon. Product limits matter too: Behr lists its Premium Plus Exterior for air temperatures between 35 and 90°F, and Sherwin-Williams lists Duration Exterior down to 35°F. Our best season to paint page covers the calendar.

Prep that pays off in sun

  1. Wash the chalk off at low pressure and let the walls dry.
  2. Test adhesion with tape on the worst wall; if paint lifts, it has to come off.
  3. Scrape and sand loose and weathered areas back to sound surface.
  4. Prime bare wood, cut ends and stain-prone spots.
  5. Caulk open joints with a sealant made for exterior movement.
  6. Paint two coats on sun-facing walls, out of direct sun.

Chalking and fading problems are covered in exterior paint chalking and fading, and peeling in peeling and blistering. For timing, read when to repaint; for wood, stain vs paint; and for fiber cement, Hardie board painting. Our main Colorado Springs painting page covers the whole service.

Get an exterior painting estimate

Integrity Roofing and Painting is veteran-owned and family-run since 1990, an Owens Corning Platinum Preferred roofing contractor with 650+ Google reviews. Call (719) 488-2800 or book a free walkthrough; we respond the same business day.

Sources: EPA, Ultraviolet (UV) Radiation and Sun Exposure; Williams, Weathering of Wood (USDA Forest Products Laboratory); Cassens and Feist, Paint Failure Problems and Their Cure (Purdue NCR-133); Behr, Premium Plus Exterior Flat Paint No. 4050 data sheet; Sherwin-Williams, Duration Exterior Acrylic Latex.

Our Exterior Painting Process for Sun-Exposed Walls

Prep is most of the job. Here is how the six steps play out on a house that takes heavy sun.

1

Schedule Your Free Inspection

Call or book online. We reach out the same business day, confirm a time, and a Client Solutions Representative researches your property so they arrive prepared.

2

Thorough Roof Inspection

Your rep inspects the attic, roof surface, flashing, gutters, and the rest of the exterior, and documents what they find with detailed photos so nothing gets missed.

3

Honest Assessment & Options

We walk through exactly what we found and present Good, Better, and Best options with upfront pricing. If the roof does not need work, we tell you that.

4

Clear Paperwork & Claim Documentation

You get a written contract that spells out the scope. If you are filing an insurance claim, the claim stays yours: we provide photo documentation and make sure nothing gets missed in the scope.

5

Expert Installation

Our crews install to manufacturer specifications under superintendent oversight, with quality checks and photo documentation at every stage.

6

Final Walkthrough & Warranty

We clean the site, walk you through the completed work, register your manufacturer warranty, and stay available for anything down the road.

Frequently Asked Questions

Why does paint fade faster in Colorado Springs?

The EPA notes that the UV reaching the ground depends on altitude, among other factors, and Colorado Springs sits above 6,000 feet with many clear days. UV breaks down the binder in paint, which shows up as fading and a chalky film, starting on the walls that face south and west.

What kind of exterior paint holds up best in strong sun?

A quality 100% acrylic exterior paint. We use Sherwin-Williams and Behr exterior lines, such as Behr Premium Plus Exterior, which Behr describes as a 100% acrylic paint and primer, and Sherwin-Williams Duration Exterior, an acrylic latex. Color and prep matter as much as the can.

Do dark colors fail faster at altitude?

They run hotter in direct sun, and Purdue and Forest Products Laboratory guidance links fresh paint heated by the sun, dark colors and thick coats to temperature blistering. Dark colors also show fading sooner. They can still work with good prep and careful timing.

Can I paint over chalky siding?

Not without cleaning it first. New paint does not bond well to chalk. We wash the chalk off, let the surface dry, and prime if the surface still chalks after washing.

Get a Free Painting Estimate

Share a few details about your home and we will set up a time to walk the project with you and price it clearly. We'll reach out the same business day.

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