Enhance Safety, Function, and Fun
At Yellinz Concrete & Excavation, we go beyond standard concrete work to offer unique specialty services that elevate your property. From in-ground trampolines to pool enclosures and play zones, we bring the same precision and care to every custom installation—trusted by families, schools, and recreation facilities across New Jersey.
In-Ground Trampolines
Safer Play, Seamless Design
In-ground trampolines offer a low-profile, safer alternative to traditional models. Yellinz handles the full excavation, grading, and drainage process for a clean, level installation that integrates beautifully with your yard.
Our Process:
Precise excavation to trampoline specs
Soil stabilization to prevent settling
Gravel base and drainage setup
Backfill and perimeter grading
Optional coordination with trampoline installers
Benefits:
Reduced fall height for safer play
No fencing or barrier required
Cleaner look with no bulky frame
Easier access for all ages
Pool Covers & Play Area Enclosures
Secure Outdoor Spaces Year-Round
FWe prepare and install structural bases for custom covers and enclosures, helping you create safe, clean areas for children, pets, and seasonal protection.
We Handle:
Anchored pool cover prep and installation
Footings for fences, nets, or barriers
Site grading for play area enclosures
Drainage planning to prevent water buildup
Ground leveling for enclosure footprint alignment
Applications
Safety covers for in-ground pools
Outdoor sports or daycare enclosures
Covered play zones for kids or pets
Integrated trampoline + enclosure systems
Our Repair Process:
Targeted excavation, part replacement, sealing, and regrading to restore full function.
Why Choose Yellinz
Attention to slope, drainage, and grade
Seamless work with enclosure or fencing teams
Clean execution and lasting durability
Trusted by NJ families, schools, and property managers
Protect Your Property.
Invest in a Septic System That Works.
Call 609-YELLINZ/609‑935‑5469 or Request a Sitework Estimate today