What Is Quick Dry or EZ Dry Foam?
Reticulated Foam (Quick Dry / EZ-Dri / Stay Dry)
Definition and Structure
Reticulated foam is a type of open-cell foam that has undergone a process called reticulation, which removes the cell walls or "windows" of the foam, leaving behind a skeletal structure of interconnected strands. This unique structure allows for high porosity, typically ranging from 95% to 98%, and provides a large surface area, making it suitable for applications requiring breathability and effective filtration. Large, open pores permit maximum water drainage and air circulation, allowing use quickly after being wet or even saturated. Resistant to most chemicals including most cleaning agents, solvents, alkalies, and acids (bleach may cause rapid discoloration). Built-in fungicidal additive inhibits fungus, mildew--important for retarding stain and odor.What Is Reticulated Foam (EZ-Dri® / Open-Cell Foam) for Outdoor Cushions?
Reticulated foam—often sold under brand names such as EZ-Dri®—is a specialized type of outdoor cushion foam designed to drain water quickly and dry extremely fast. Unlike conventional upholstery foam, reticulated foam has large, completely open cells (pores) that allow water and air to move freely through the material.
Because of this open-cell structure, reticulated foam cushions can dry very quickly after rain, morning dew, washing, salt spray, or humidity. Water simply flows through the foam rather than becoming trapped inside it.
This makes reticulated foam an excellent option for patio furniture cushions exposed to frequent moisture, including poolside seating, coastal environments, marina furniture, and uncovered outdoor seating areas.
Benefits of Reticulated Outdoor Cushion Foam
Fast Water Drainage
The foam’s large open pores allow water to pass directly through the cushion. Instead of absorbing and holding moisture like standard foam, reticulated foam drains quickly and promotes rapid drying.
Excellent Air Circulation
The open structure allows air to circulate freely through the cushion core. This airflow helps speed up drying and keeps cushions fresher in humid environments.
Durability in Outdoor Conditions
Reticulated polyether-polyurethane foam is formulated to withstand long-term exposure to sun, moisture, and changing weather conditions, making it suitable for demanding outdoor use.
Mildew and Fungus Resistance
Many reticulated foams include built-in antimicrobial or fungicidal additives that help resist mildew, mold growth, stains, and odors caused by moisture.
Chemical Resistance
Reticulated foam is resistant to many common cleaning agents, solvents, and environmental contaminants. (Note: strong bleach solutions may cause discoloration.)
Custom Cushion Shapes
Just like traditional upholstery foam, reticulated foam can be cut and fabricated into custom cushion shapes and sizes, making it ideal for custom outdoor seating.
Comfort and Support
Despite its open structure, reticulated foam maintains a resilient, springy feel that provides comfortable seating support. For additional softness, cushions are often wrapped with a breathable polyester fiber layer before being enclosed in outdoor fabric.
Important Construction Notes
When reticulated foam is used in outdoor cushions, it must be paired with breathable outdoor fabrics and proper cushion construction so water can drain freely. Wrapping foam with fiber is common for comfort, but the wrap must not block the foam’s open pores or restrict drainage.
Properly constructed reticulated foam cushions provide the best balance of comfort, durability, and fast drying performance for outdoor furniture.
What It Is & When You Actually Need It
If your outdoor cushions live in heavy rain, high humidity, or poolside splash zones, you’ve probably heard terms like EZ-Dri®, Quick Dry Foam, Stay Dry Foam, or Reticulated Foam.
They all refer to the same type of material: open-cell, fully permeable foam designed to let water pass straight through instead of soaking in and staying trapped.
Unlike traditional polyurethane foam — which can absorb and hold moisture — reticulated foam is engineered with large, interconnected cells that allow air and water to flow freely through the cushion core.
That means:
- Water drains out quickly
- Air circulates easily
- Drying time is dramatically reduced
- Mold and mildew risk inside the cushion is minimized
This makes it ideal for cushions exposed directly to rain or high moisture environments.
How Reticulated Foam Is Made
Reticulated foam goes through a special manufacturing process that removes cell membranes inside the foam, leaving behind a skeletal structure of interconnected foam strands.
The result:
- Up to 95–100% open cell structure
- High airflow
- Rapid drainage
- Reduced water retention
It’s sometimes referred to as “marine grade” foam because it’s often used in boating applications.
When Reticulated Foam Makes Sense
Reticulated foam is a strong choice for:
- Poolside seating
- Lake or marina environments
- Furniture that stays uncovered year-round
- Humid climates with frequent rainfall
- Cushions exposed to sprinkler systems
- Commercial hospitality settings
It’s especially helpful when cushions cannot be stored or covered regularly.
When It May Not Be Necessary
Reticulated foam is not required for every situation.
If your cushions:
- Live on a covered porch
- Are stored during heavy weather
- Are protected with high-performance fabric
- Are brought inside during winter
Standard high-quality outdoor foam with proper care may be perfectly sufficient.
Reticulated foam is often more expensive and can feel slightly firmer depending on density. The right choice depends on exposure level and lifestyle.
Reticulated Foam FAQ
What is reticulated foam?
Reticulated foam is a fully open-cell foam designed to allow water and air to pass through freely. It drains quickly and dries faster than traditional foam.
Is reticulated foam waterproof?
No. It is water permeable, not waterproof. Water passes through it rather than being blocked.
How fast does reticulated foam dry?
Drying time depends on airflow and weather conditions, but it dries significantly faster than traditional foam because water does not remain trapped inside.
Does reticulated foam prevent mold and mildew?
It reduces the risk inside the cushion core because moisture drains out. However, mildew can still grow on surface dirt or fabric if not cleaned regularly.
Is reticulated foam more comfortable?
Comfort depends on density and thickness. Some reticulated foams feel slightly firmer than standard polyurethane foam, but they still provide excellent support for outdoor seating.
Is reticulated foam better than standard outdoor foam?
“Better” depends on environment. For heavy rain exposure, yes. For covered patios, not necessarily.
Is reticulated foam worth the extra cost?
If your cushions regularly get soaked and cannot be dried or stored quickly, it is often worth the investment.
Can reticulated foam be used indoors?
Yes, but it’s usually unnecessary unless moisture is a concern.
Does quick dry foam eliminate the need for breathable fabric?
No. Cushion performance depends on the combination of:
- Foam
- Fabric
- Proper drainage
- Airflow
High-performance outdoor fabric is still essential.
Does water drain out the bottom of the cushion?
Yes — provided:
- The fabric allows drainage
- There is airflow beneath the cushion
- The cushion is not sitting in standing water
Is it the same as “marine foam”?
Often yes. Many marine cushions use reticulated foam due to exposure to heavy moisture.
Can reticulated foam be used in thick deep seating cushions?
Yes. It is available in multiple thicknesses and densities suitable for deep seating.
Does reticulated foam last longer than regular foam?
In wet environments, it often outperforms traditional foam because it avoids prolonged moisture exposure.
Is reticulated foam lighter or heavier?
It is generally lighter when dry, and because it drains quickly, it does not remain heavy after rain.
Do I still need to tilt cushions to dry?
Yes. Even with quick dry foam, positioning cushions on edge improves airflow and speeds drying.
Will reticulated foam feel different?
Some customers notice it feels slightly more structured or firm depending on density selection.
Is reticulated foam environmentally friendly?
Because it reduces premature cushion replacement in wet climates, it can extend product life — which reduces waste over time.
Is reticulated foam the same as memory foam?
No. Memory foam is not suitable for outdoor use and retains moisture.
Can I mix reticulated foam for seats and standard foam for backs?
Yes. This is common when seats face heavy exposure but backs are more protected.
How do I know if I need reticulated or EZ Dry foam?
Ask yourself:
- Do my cushions get soaked frequently?
- Can I store or cover them quickly?
- Do I live in a high-humidity climate?
- Is this a marina or commercial setting?
If the answer is yes to frequent soaking, reticulated foam is worth considering.
| Feature | Standard Outdoor Foam | Reticulated (Quick Dry) Foam |
|---|---|---|
| Water Drainage | Absorbs some moisture; dries with airflow | Water flows through quickly |
| Dry Time After Rain | Moderate (depends on sun & airflow) | Fast drainage, quicker drying |
| Mold/Mildew Resistance (Core) | Good with proper care | Excellent in wet environments |
| Comfort | Soft, supportive, familiar feel | Slightly firmer depending on density |
| Best For | Covered patios, seasonal exposure | Poolside, marinas, heavy rain exposure |
| Cost | More economical | Significantly higher investment |
| Necessary for Most Homes? | Yes | Often overkill unless high exposure |
Is Reticulated Foam Worth It?
Let’s give customers a quick gut-check section. This is where your honesty shines.
✔ Reticulated Foam Is Probably Worth It If:
Your cushions stay outdoors year-round
They regularly get soaked in heavy rain
You live in high humidity
Your furniture is near a pool or lake
You manage commercial or hospitality seating
You cannot tilt or store cushions after storms
✔ Standard Outdoor Foam Is Usually Enough If:
Your patio is covered
You store cushions during bad weather
You live in a dry or moderate climate
You use furniture seasonally
You prefer a softer feel
Budget matters
Reticulated foam is excellent — but for many residential patios, it’s simply not necessary.
High-quality standard outdoor foam combined with breathable performance fabric and good airflow will perform beautifully in most environments.
We’d rather help you choose what makes sense for your lifestyle than sell you something you don’t truly need.