August 26, 2026
What homeowners can do safely and what to leave to the pros.

DIY vs Pro Exterior Prep: What’s Safe?
If you're planning exterior painting in West Des Moines, Iowa, you may be wondering how much of the preparation you can safely handle yourself. Washing siding or doing a little caulking may seem manageable, but exterior preparation can quickly become a much larger project once scraping, sanding, siding repairs, ladders, and priming are involved.
At Harmony Painting, we provide professional exterior painting in West Des Moines and throughout the Des Moines metro. One thing we've learned is that the quality of an exterior paint job depends heavily on what happens before the first coat of paint goes on.
Proper preparation may include washing, scraping loose paint, sanding rough edges, caulking gaps, priming exposed surfaces, and repairing damaged siding or trim.
So, when is DIY exterior prep reasonable, and when should a West Des Moines exterior painting contractor take over?
DIY vs. Professional Exterior Prep in West Des Moines
For West Des Moines homeowners deciding whether to prep and paint their own home or hire professional painters, here's a quick comparison:
For West Des Moines homeowners deciding whether to prep and paint their own home or hire professional painters, here's a quick comparison:
Washing & Cleaning
DIY: Manageable on accessible areas, but proper cleaning takes time.
Professional: Professional painters can efficiently prepare large exterior surfaces before painting.
Scraping Loose Paint
DIY: Possible on small, ground-level areas where the surface can be safely reached.
Professional: Better suited for extensive peeling paint, multiple elevations, and larger exterior surfaces.
Sanding & Feathering
DIY: Time-consuming and requires the proper tools and safety precautions.
Professional: Experienced painters can smooth transitions between sound paint and exposed surfaces to properly prepare the exterior.
Caulking
DIY: Possible for experienced homeowners on easily accessible areas.
Professional: Professional painters understand where caulk should be applied and where openings should remain for proper drainage or ventilation.
Priming
DIY: Possible if you understand the surface you're working with and know which primer is appropriate.
Professional: Professionals can select the appropriate primer for bare wood and other exterior surfaces.
Siding & Trim Repairs
DIY: Repairs may require carpentry knowledge, additional tools, and more time.
Professional: Harmony Painting can complete certain siding repairs and siding replacement before painting your West Des Moines home.
Working at Heights
DIY: Working from extension ladders creates additional fall risks and may require specialized equipment.
Professional: Professional crews have the equipment and experience necessary to work on elevated exterior areas.
Equipment
DIY: Ladders, sprayers, sanding equipment, and safety equipment may need to be purchased or rented.
Professional: The painting crew arrives with the professional equipment necessary to complete the project.
Time Commitment
DIY: Proper exterior preparation and painting can consume several weekends.
Professional: A professional painting crew can complete the preparation and painting process much more efficiently.
Workmanship Protection
DIY: The homeowner is responsible for correcting problems if something goes wrong.
Why Exterior Prep Matters for West Des Moines Homes
A beautiful new paint color cannot compensate for a poorly prepared exterior.
When paint is applied over dirt, mildew, chalky residue, loose paint, or damaged surfaces, the new coating may not properly bond to the home. Eventually, homeowners may see peeling, cracking, flaking, or other premature coating failure.
That's particularly important when you're investing in exterior house painting in West Des Moines. Iowa homes experience hot summers, cold winters, humidity, rain, snow, and significant temperature changes throughout the year.
At Harmony Painting, exterior preparation is an important part of our process because we want the finished coating to have a properly prepared surface underneath it.
Depending on the condition of your West Des Moines home, preparation may include:
• Cleaning exterior surfaces
• Scraping loose and peeling paint
• Sanding or feathering rough edges when appropriate
• Caulking gaps and joints where appropriate
• Priming exposed or bare surfaces
• Identifying deteriorated siding or trim
• Completing necessary siding repairs or replacement within the project's scope
This is also one reason estimates from different West Des Moines painting companies can vary. Two contractors may technically be quoting "exterior painting" while including very different levels of preparation.
What Exterior Prep Can West Des Moines Homeowners DIY?
Not every exterior project requires a professional painting crew.
If your West Des Moines home is in good condition and you're comfortable performing basic home maintenance, some exterior preparation may be reasonable to do yourself.
Cleaning easily accessible surfaces, moving furniture and decorations away from the house, trimming vegetation away from the work area, and completing minor ground-level preparation can all be DIY-friendly projects.
Light scraping or caulking may also be manageable if you understand what you're doing and the work can be performed safely.
The key word is safely.
Once you're dealing with tall ladders, high peaks, extensive peeling paint, damaged siding, or large areas requiring sanding and scraping, DIY exterior prep becomes much more complicated.
When DIY Exterior Painting in West Des Moines Becomes a Safety Concern
Exterior painting often looks easier from the ground than it actually is.
A two-story West Des Moines home may require significant time on extension ladders or specialized equipment to reach peaks, soffits, fascia, and upper-story siding.
Working on a ladder while simultaneously scraping, sanding, caulking, or painting adds another level of risk. Steep grades and difficult rooflines can make access even more challenging.
Professional West Des Moines house painters regularly work with equipment designed for exterior projects. For a homeowner who only occasionally uses an extension ladder, the savings from DIY painting may not justify taking an unnecessary fall risk.
Older West Des Moines Homes Require Extra Attention
The age of your West Des Moines home matters when deciding whether exterior prep should be a DIY project.
Homes built before 1978 may contain lead-based paint. Disturbing those coatings through scraping or sanding can create hazardous paint chips and dust.
That's why homeowners should not assume an older painted surface can simply be aggressively sanded or scraped.
If you own an older home in West Des Moines, Iowa, determining what you're working with should come before extensive surface preparation.
When you're unsure about an existing coating, appropriate testing or professional evaluation can help determine the next step.
Don't Paint Over Damaged Siding on Your West Des Moines Home
Paint isn't a repair product.
If siding or trim is rotted, loose, deteriorated, or otherwise failing, simply covering it with new exterior paint doesn't correct the underlying problem.
Damaged areas should be identified before painting begins.
This is one advantage of choosing Harmony Painting for exterior painting in West Des Moines. In addition to painting, our team can complete certain siding repairs and siding replacement.
Addressing these problems before painting provides a much better foundation for the new coating and can help protect your investment.
Choosing the Right Primer for West Des Moines Exterior Painting
Another common DIY mistake is assuming every exterior surface needs the same primer.
It doesn't.
The correct product depends on the material you're painting, the existing coating, and the condition of the surface.
Bare wood, previously painted siding, masonry, metal, and other exterior surfaces can have different requirements.
Primer may be necessary to:
• Improve adhesion
• Seal porous surfaces
• Block certain stains
• Protect exposed materials
• Create a more uniform surface for the finish coat
Using the wrong primer, or skipping primer when it's needed, can compromise an otherwise good exterior paint job.
An experienced West Des Moines exterior painter can evaluate the substrate and determine the appropriate preparation and coating system for the project.
Iowa Weather Matters When Painting a West Des Moines Home
Weather is another major consideration for exterior painting in West Des Moines.
Central Iowa gives us just about everything: heat, humidity, rain, freezing temperatures, snow, and significant seasonal temperature swings.
Exterior coatings need suitable conditions during both application and curing.
Temperature isn't the only consideration. Humidity, rain potential, overnight temperatures, surface temperature, and the manufacturer's requirements for the specific coating all play a role.
A warm, sunny afternoon in West Des Moines doesn't necessarily mean every exterior surface is ready for paint.
Professional painters monitor conditions and schedule exterior work around appropriate application windows instead of relying solely on the day's high temperature.
The Real Cost of DIY Exterior Painting in West Des Moines
DIY painting can certainly reduce labor costs.
But labor isn't the only expense involved in an exterior painting project.
A West Des Moines homeowner tackling an entire exterior may need:
• Extension ladders
• Safety equipment
• Cleaning supplies
• Scrapers
• Sanding equipment
• Caulk and caulking tools
• Primer
• Brushes and rollers
• Sprayer equipment
• Exterior paint
Then there's your time.
What starts as a Saturday project can quickly consume multiple weekends once you discover the amount of scraping, caulking, repair, and priming the exterior actually needs.
That's an important consideration when comparing DIY costs with hiring professional exterior painters in West Des Moines.
You're not simply paying a painting contractor to put paint on your house. You're paying for preparation, equipment, labor, experience, and management of the entire exterior painting project.
When Should You Hire a West Des Moines Exterior Painter?
DIY exterior painting may make sense when the project is small, surfaces are in good condition, and everything can be safely reached.
You should consider hiring a professional West Des Moines painting contractor when:
• Your home is two stories or has difficult-to-reach areas
• Large sections of exterior paint are peeling
• Siding or trim needs repair
• You're unsure which primer or coating should be used
• The home may contain older lead-based coatings
• You don't have appropriate ladders or equipment
• You don't have time to properly prepare the exterior
• You want professional workmanship protection
Generally, the more complicated the preparation becomes, the more valuable an experienced exterior painting crew becomes.
Choosing Exterior Painters in West Des Moines, Iowa
If you've decided DIY isn't right for your project, choosing the right exterior painter in West Des Moines is the next step.
Don't evaluate a painting estimate based solely on price. Ask what preparation is included.
Will loose paint be scraped? Are bare areas being primed? Is caulking included where necessary? What happens if damaged siding is discovered? What type of paint will be used? Is there a workmanship warranty?
Those questions can tell you much more about an exterior painting proposal than the final price alone.
At Harmony Painting, we believe preparation and professional workmanship are essential parts of a quality exterior painting project.
Harmony Painting: Exterior Painting in West Des Moines
Harmony Painting proudly provides exterior house painting in West Des Moines, Iowa, and throughout the Des Moines metro.
We're a locally owned painting company providing homeowners with professional exterior painting, interior painting, cabinet painting, drywall services, siding repairs, and other home improvement services.
For West Des Moines exterior painting projects, our goal is straightforward: properly prepare the home, use quality materials, and deliver professional workmanship from start to finish.
We're proud to be a two-time Des Moines CITYVIEW Best Local Painting Company winner, and qualifying Harmony Painting projects are backed by our 3-year workmanship warranty.
If you're searching for West Des Moines exterior painters, we'd love the opportunity to take a look at your home and provide an estimate.
Frequently Asked Questions About Exterior Painting in West Des Moines
Can I prep my West Des Moines home myself and hire Harmony Painting to paint it?
Possibly. However, the prepared surfaces should be evaluated before painting begins. If additional scraping, caulking, priming, or repairs are necessary to provide a suitable surface, those items may need to be completed before coating.
Do West Des Moines exterior painters need to remove all of the old paint?
Not necessarily. The goal is generally to remove paint that is loose, peeling, or no longer properly bonded and appropriately prepare the remaining surface. The exact preparation depends on the condition and type of exterior.
Should bare wood be primed before exterior painting?
Bare wood commonly requires appropriate priming before the finish coat is applied. The specific primer should be selected according to the substrate, its condition, and the coating system being used.
Can Harmony Painting repair siding before painting?
Harmony Painting can complete certain siding repairs and siding replacement as part of an exterior project. Painting over deteriorated siding doesn't correct the underlying problem, so damaged areas should be evaluated before painting.
Is DIY exterior painting safe?
Small, easily accessible projects may be reasonable for experienced homeowners. Projects involving significant heights, extensive coating removal, damaged surfaces, or potential lead-based paint introduce additional safety concerns.
When is the best time for exterior painting in West Des Moines?
Exterior painting in West Des Moines is generally completed during the warmer painting season when temperatures and weather conditions meet the requirements of the products being applied.
Iowa weather can change quickly, so rain, humidity, overnight temperatures, and surface conditions should all be considered when scheduling an exterior project.
How do I find a good exterior painter in West Des Moines?
Look beyond price. Ask potential West Des Moines painting contractors about surface preparation, insurance, repairs, materials, warranties, and exactly what is included in the estimate.
A detailed estimate should give you a clear understanding of what you're paying for before the project begins.
Get a West Des Moines Exterior Painting Estimate
If you're looking at your home's exterior wondering whether you should tackle it yourself or hire a professional, Harmony Painting can help.
We'll evaluate the condition of your exterior, identify areas that need attention, and provide an estimate based on your project's actual scope.
For homeowners searching for exterior painters in West Des Moines, Iowa, Harmony Painting provides professional exterior preparation, painting, siding repairs, and quality workmanship designed to refresh and protect your home.
Ready to update your West Des Moines home's exterior? Contact Harmony Painting today to schedule your exterior painting estimate.






