FlowGuard High Clearance 5 in Gutter Cover System - Built to Last

In this review of the FlowGuard USA Made High Clearance 5 in Gutter Cover System, the bottom line is simple: it is for homeowners and pros who want a long-lasting, low-maintenance solution that keeps gutters clear without frequent cleaning. The biggest reason to buy is durability - the.018 heavy gauge painted aluminum construction and full front and rear hem make these gutter covers tough enough to resist heavy rain, snow loads and wind while preventing leaves and debris from entering the gutter channel.

Key Features

• Made in the USA: Manufactured domestically for consistent build quality and materials traceability.
• Heavy gauge aluminum:.018 painted aluminum will not rust or deteriorate, providing a long service life and resistance to the elements.
• High clearance design: Specifically shaped to clear high profile gutter brackets so it fits a range of installations without interfering with hardware.
• Three-point flow surface: Elevates wet debris so airflow and drainage continue even when leaves accumulate, then dried debris blows away naturally.
• Includes stainless fasteners: Comes with 1/2 in #8 twin thread pierce point stainless screws for corrosion-resistant, permanent installation.
• Easy to cut and join: Dual interlocking ends and a 45 degree drain hole pattern make straight runs and mitered corners easier for DIY installation.

Who It's For

The FlowGuard High Clearance system is aimed at homeowners with k-style or PVC gutters who want a durable, low-maintenance guard that handles heavy rain and seasonal debris. It is also appropriate for contractors and handymen installing long-term solutions where material strength and included hardware matter.

Those who should look elsewhere are people with uniquely shaped custom gutters not compatible with top-mounted covers or property owners who prefer a system installed under shingles; while FlowGuard is roof-warranty friendly, its top-mount design is not an under-shingle style.

Pros & Cons

Pros

• Sturdy.018 heavy gauge painted aluminum construction resists rust and adds structural strength to the gutter edge.
• High clearance profile and 3-point design keep leaves elevated so heavy rain continues to drain effectively.
• Includes stainless steel twin thread screws, making installation more reliable and corrosion resistant.
• Dual interlocking ends and straightforward cut patterns speed up DIY installs and produce clean runs.

Cons

• Top-mounted design may not suit every custom gutter configuration or those who need an under-shingle installation option.
• Installation still requires cutting and fastening; time and basic tools are needed for full-length runs.

Specifications

Our Verdict

FlowGuard High Clearance is a practical choice for anyone needing a robust, long-lived gutter cover that reduces maintenance and stands up to severe weather. It offers clear value through durable materials, included stainless fasteners, and a design that keeps gutters flowing under debris. Recommended for homeowners and installers who want a top-mounted, American-made solution.

Frequently Asked Questions

Will this fit high profile or bracketed gutters?
Yes. The High Clearance profile is specifically designed to clear high profile gutter brackets and fit most top-mounted bracket systems.

Are screws included for installation?
Yes. The system ships with 1/2 in #8 stainless steel twin thread pierce point zip screws for permanent, corrosion-resistant mounting.

Does the cover stop heavy rain when leaves are present?
The 3-point design elevates debris and acts as dams to slow flow so the heaviest rain still drains through the gutter even when wet leaves are present.