Seal coating is one of the best ways to extend the life of your driveway or parking lot. But when it’s time to reapply, many homeowners and small businesses ask:
“Can I do it myself, or should I hire a professional?”
At J. Perry Paving, we’ve fixed our fair share of DIY jobs gone wrong. That’s not to say it’s impossible — but before heading to the hardware store, here’s a full breakdown of DIY vs. professional seal coating.
Materials and Equipment
DIY:
- Store-bought sealers are often lower quality (less solids, more water)
- Application tools are basic: buckets, squeegees, or rollers
- Hard to get even coverage without experience
Professional:
- High-solids, commercial-grade sealant
- Spray equipment and edge brushes for precision
- Proper surface prep with power sweepers, blowers, and crack fillers
Verdict: Pros use better materials and tools = longer-lasting results.
→ See our seal coating process (Link to: Why Seal Coating is Essential for Asphalt Longevity)
Time and Labor
DIY:
- 1–2 full days of physical labor
- Cleaning, prepping, edging, applying, and drying
- Must block off area and avoid foot/vehicle traffic for 24–48 hours
Professional:
- 1-day application (or less, depending on surface)
- Managed team with no cleanup left for you
- Post-job guidance included
Verdict: DIY takes more time and labor — especially if it’s your first time.
Cost Comparison
| Option | Cost Range | Lifespan |
| DIY (materials only) | $100–$250 | 1–2 years |
| Professional Service | $400–$800 (avg driveway) | 3–5 years |
Important: DIY cost may rise if you:
- Rent equipment
- Miss a window due to rain
- Need to reseal early due to peeling or streaking
Verdict: Professional costs more upfront — but delivers better ROI long-term.
Common DIY Mistakes
- Applying to dirty or wet pavement
- Using too much or too little product
- Uneven edges or streaks
- Sealing over unfilled cracks
- Poor timing (cold weather, rain risk)
These mistakes reduce protection and shorten the lifespan of your seal coat.
→ Read: The Best Time of Year to Seal Coat in Rhode Island (Link to: The Best Time of Year to Seal Coat in Rhode Island)
Durability and Performance
DIY:
- Shorter lifespan
- Weaker resistance to UV, oil, and chemicals
- More likely to crack or flake prematurely
Professional:
- Cures properly with the right thickness
- Provides real protection against the elements
- Stays bonded longer and looks better
Verdict: Professionals deliver better results that actually protect your asphalt.
Why Hire J. Perry Paving?
We bring 20+ years of seal coating experience to every job, and we don’t cut corners. Our customers get:
- Free surface evaluations
- High-quality, durable sealants
- Proper prep and crack sealing
- Clean, consistent finish that lasts
→ Learn more about our team
DIY seal coating might save you money upfront — but only if you do it right. Even then, the results likely won’t match the protection, longevity, or appearance of professional work.
Want to skip the mess and get the job done right?
Contact J. Perry Paving for a free seal coating quote and expert results that last.