Journal

Field Notes

Insights on outdoor systems, installation craft, and backyard design from the LOWLINE team.

Why Drainage Is the #1 Factor in In-Ground Trampoline Longevity

Standing water destroys frames, mats, and bounce quality. Here's how proper drainage engineering keeps your in-ground trampoline performing for 10+ years.

April 15, 2026·6 min read

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Installation

Nashville Soil Conditions: What Every Homeowner Should Know Before Installing

Middle Tennessee's clay soil, drainage patterns, and water table depth all impact how an in-ground trampoline should be engineered for your specific property.

March 28, 2026·8 min read

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Performance

The Venting Gap: Why Airflow Determines Bounce Quality

That 12–18 inch gap between the frame and excavation wall isn't just clearance — it's what makes an in-ground trampoline bounce like an above-ground one.

March 10, 2026·5 min read

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Design

Navigating Brentwood HOA Requirements for Outdoor Systems

How to work with HOA guidelines while still getting the concealed outdoor system you want. A practical guide for Brentwood homeowners.

February 22, 2026·7 min read

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Safety

In-Ground vs. Above-Ground: A Safety Comparison

Ground-level installation eliminates the 2–4 ft fall distance. Here's what the data says about injury reduction and why it matters for families.

February 8, 2026·4 min read

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Design

Designing Concealment Systems That Actually Disappear

The difference between hiding something and making it invisible. How LOWLINE approaches concealment as a design problem, not a cover-up.

January 20, 2026·6 min read

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