What We Offer
OUR SERVICES
From new installations to maintenance and repair, 603 Asphalt handles every aspect of asphalt paving for residential and commercial clients across Southern NH.
Driveway Paving
Transform your home's curb appeal with a brand-new asphalt driveway. We handle everything from grading and base preparation to final compaction and edging. Our driveways are built to withstand freeze-thaw cycles and heavy vehicle traffic for decades.
- Full excavation & grading
- Proper base installation
- Hot-mix asphalt application
- Clean edge finishing
- 1-year workmanship warranty
Parking Lot Paving
First impressions matter. A smooth, well-marked parking lot tells your customers you care about quality. We design and install commercial parking lots of all sizes — from small retail lots to large industrial facilities — with proper drainage and ADA-compliant striping.
- Site grading & drainage planning
- Heavy-duty base construction
- Commercial-grade asphalt
- Line striping & ADA compliance
- Curb & gutter installation
Milling & Reclaiming
When a surface is too far gone for a simple overlay, milling and reclaiming is the smart, cost-effective solution. We grind down the existing asphalt, reclaim and reprocess the material as base, and lay a fresh surface — eliminating the need for full excavation and reducing waste.
- Cold planing / asphalt milling
- Full-depth reclamation (FDR)
- Recycled base stabilization
- New hot-mix surface course
- Ideal for driveways, lots & roadways
Sealcoating
Sealcoating is the most cost-effective way to extend the life of your asphalt. It protects against UV rays, water penetration, oil spills, and oxidation. We recommend sealcoating every 2–3 years to keep your pavement looking and performing like new.
- Thorough surface cleaning
- Crack filling prior to sealing
- Professional-grade sealer
- Even application by machine
- Fast dry time — back in use same day
Crack & Pothole Repair
Don't let small cracks become big problems. Water infiltration through cracks accelerates pavement deterioration. Our repair services stop damage in its tracks and restore structural integrity — saving you thousands compared to full replacement.
- Crack routing & sealing
- Pothole patching
- Infrared asphalt repair
- Surface leveling
- Preventative maintenance plans
Tennis Court Paving
A great tennis court starts with a great surface. We install and resurface asphalt tennis courts built to tournament-quality standards — smooth, true, and durable enough to handle years of competitive play. Proper grading and drainage are critical, and we get them right every time.
- Full sub-base preparation & grading
- Precision-leveled asphalt surface
- Court resurfacing & overlays
- Crack repair & surface restoration
- Line marking & color coating
Pickleball Court Paving & Coatings
Pickleball is booming across the Seacoast — and we're ready to build or convert courts that players love. Whether you're installing a new dedicated court or converting an existing tennis or basketball surface, we handle the full project from base prep to finished color coating and line striping.
- New court installation & base prep
- Tennis-to-pickleball conversions
- Acrylic color coating application
- Official line striping (singles & doubles)
- Resurfacing of existing courts
Protect Your Investment
ASPHALT CARE GUIDE
A new asphalt surface is an investment. Follow these guidelines to maximize its lifespan and keep it looking great for decades.
DO'S
- Sealcoat every 2–3 years
Sealcoating protects against UV rays, water, and oil damage. It's the single best thing you can do to extend pavement life.
- Fill cracks promptly
Small cracks let water in. Water freezes, expands, and turns small cracks into big problems. Seal them as soon as they appear.
- Keep it clean
Remove oil, gas, and chemical spills quickly. These break down the asphalt binder and cause premature deterioration.
- Maintain proper drainage
Make sure water drains away from your pavement. Standing water is asphalt's worst enemy, especially through NH freeze-thaw cycles.
- Wait before first use
Allow 24–48 hours before driving on new asphalt, and avoid heavy vehicles for the first 2 weeks while it fully cures.
- Edge your driveway
Keep lawn and soil from creeping onto the asphalt edge. Unsupported edges crack and crumble faster than the main surface.
DON'TS
- Don't use sharp or metal tools on asphalt
Snow blower skids, metal shovels, and ice picks can gouge and scratch the surface. Use rubber-edged or plastic tools instead.
- Don't apply rock salt or harsh deicers
Rock salt and chemical deicers accelerate surface deterioration. Use sand for traction or asphalt-safe deicers in winter.
- Don't park heavy equipment long-term
Dumpsters, RVs, and heavy machinery can indent fresh or hot asphalt. Use plywood to distribute weight if needed.
- Don't ignore standing water
Pooling water signals a drainage problem. Left unaddressed, it will penetrate the base and cause cracking and heaving.
- Don't turn wheels while stationary
Turning your steering wheel while the car is not moving (power steering scrubbing) scuffs and damages the surface, especially when new.
- Don't wait too long to repair cracks
A $50 crack seal today prevents a $5,000 repaving job tomorrow. Small damage grows fast, especially through New England winters.
RECOMMENDED MAINTENANCE TIMELINE
NOT SURE WHAT YOU NEED?
Give us a call or request a free on-site assessment. We'll evaluate your pavement and recommend the most cost-effective solution.