Patio Trench Drains
Patio areas require discreet, functional drainage solutions that protect the beauty of outdoor spaces while preventing water pooling, surface damage, and slipping hazards. Whether it’s a residential backyard, hotel terrace, or commercial courtyard, a properly engineered trench drain system ensures long-term surface integrity and comfort — even through heavy rainfall or freeze-thaw cycles.
Key Requirements
-
Load Rating
Typically A15 load class, designed for pedestrian and light-use areas.
• Suitable for foot traffic, patio furniture, and small maintenance carts.
• If patios connect to driveways or service areas, upgrade to Class B125 or C250 channels.
-
Material Durability
Outdoor patios face sun exposure, precipitation, and seasonal temperature changes.
• HDPE or polymer concrete channels resist cracking and UV degradation.
• Stainless steel or galvanized steel edge rails protect against edge chipping.
• Decorative grates available in stainless, brass, or composite for aesthetic integration with tile, pavers, or concrete finishes.
-
Site Conditions
• Patios should be graded with a 1–2% slope toward the trench drain.
• Ensure adequate outlet connection to prevent standing water during storms.
• Use expansion joints when adjacent to pavers or stonework to accommodate thermal movement.
-
User Requirements
• Aesthetic appeal: Linear designs that blend seamlessly with architectural finishes.
• Safety: Non-slip, heel-proof grates for barefoot or light-footwear traffic.
• Low maintenance: Smooth channel interiors for easy cleaning and quick debris removal.
• Quiet performance: Plastic or composite grates minimize noise underfoot.
Recommended TrenchDrainCo Systems
TrenchDrainCo 600 Series
6” wide HDPE channel system — ideal for residential and light-commercial patios.
TrenchDrainCo FRC Architectural Series
Fiber-reinforced concrete channels with designer grates for premium patios and courtyards.
TrenchDrainCo Sierra 5 Shallow
Shallow-profile channel for tight slab installations or decorative surfaces.
Engineering Notes
When designing patio drainage:
- Position trench drains along edges or transitions to avoid visual interruption.
- Choose ADA-compliant, slip-resistant grate patterns for hospitality and public spaces.
- Use corrosion-resistant fasteners and fittings for outdoor durability.
- Consider integrating lighting or recessed linear elements for architectural enhancement.
