HD106300-S1N | Overflow Grating 300mm Wide x 20mm, Single Spine

Maximum Coverage Overflow Grating for Large-Scale Pool Installations

When your pool project demands the absolute maximum in overflow channel coverage, the HD106300-S1N Overflow Grating delivers unmatched width at 300mm—50% wider than standard 200mm grating and 20% broader than 250mm alternatives. This extra-wide single spine design provides the ultimate solution for large commercial pools, expansive resort installations, or architectural projects where maximum water collection capacity and bold visual presence are essential design requirements. At 300mm wide, this represents the premium end of standard overflow grating dimensions.

What is 300mm Wide Overflow Grating?

As a retailer of hot tub spare parts, I work with projects ranging from modest residential pools to major commercial aquatic complexes, and the HD106300-S1N serves the upper end of that spectrum. This is grating designed for situations where standard widths simply cannot deliver the performance or aesthetic impact required by the project scope.

The 300mm width provides 50% more coverage area than standard 200mm grating—a substantial increase that translates directly to enhanced overflow capacity, more impressive visual presence, and solutions for specific architectural challenges. While maintaining cost-effective single spine construction, this grating delivers professional-grade performance suitable for demanding applications where the width itself provides much of the required structural capability.

Understanding the 300mm Width Advantage

Maximum Standard Width Coverage

The 300mm dimension represents the widest commonly available standard overflow grating size, offering exceptional benefits:

Overflow Capacity: The extra-wide channel coverage enables collection of significantly larger water volumes—essential for pools with high bather loads, wave features, competition diving, or other activities generating substantial water displacement.

Reduced Section Count: Fewer individual grating sections are needed to cover a given pool perimeter length, potentially simplifying installation and reducing the number of connections required.

Visual Impact: Creates a substantial, impressive perimeter band that makes a powerful design statement—ideal for showcase installations where every detail contributes to overall impact.

Architectural Scale: Provides proportions appropriate to very large pools (15+ meters) where narrower grating would appear undersized and inadequate to the installation scale.

Specialized Application Solutions

The 300mm width addresses specific challenges in large-scale pool design:

Wave Pool Overflow: Wave generation systems create massive water displacement requiring exceptional overflow capacity that only extra-wide channels can handle.

Competition Pool Edges: Olympic and competition pools where swimmers generate significant waves and turbulence during starts, turns, and high-speed swimming.

Splash Zone Management: Areas adjacent to slides, diving platforms, or play features where water splash and displacement are extreme.

Architectural Water Features: Integrated water features creating additional overflow beyond typical swimming activity.

Customization Capability

Certikin’s HDPE grating can be manufactured to suit virtually any requirement:

Dimensional Flexibility: While 300mm x 20mm represents a standard configuration, custom dimensions are available for unique applications.

Color Options: Available in standard colors (white, blue, black, red, yellow) plus extensive RAL color palette for architectural matching.

Profile Customization: Various profile designs available to suit specific aesthetic or functional requirements.

Special Configurations: Can accommodate corners, curves, and unusual shapes through custom manufacturing.

Key Features and Benefits

Single Spine Construction

Despite the substantial 300mm width, single spine construction provides:

Cost Optimization: Single central reinforcing rib keeps material and manufacturing costs more economical than double spine alternatives.

Adequate Strength: For applications where the width itself provides stability and where traffic patterns are appropriate, single spine delivers sufficient structural performance.

Flexibility Advantage: More flexible than double spine construction, beneficial when following curves or dealing with slight irregularities in channel installation.

Weight Management: Lighter than equivalent double spine sections, simplifying handling and installation.

Installation Efficiency: Simpler construction means faster installation and easier positioning during setup.

Premium 300mm Width

This maximum standard width delivers distinct advantages:

50% More Coverage: Compared to standard 200mm grating, the 300mm width provides half again as much coverage area per linear meter.

Superior Water Handling: Extra-wide coverage enables handling of exceptional water volumes in high-activity environments.

Architectural Presence: Creates bold, substantial visual impact appropriate to large-scale prestigious installations.

Perimeter Reduction: Fewer grating sections needed for a given pool perimeter, reducing connection points and potential maintenance issues.

Professional Grade: Signals commitment to quality and performance in commercial and high-end residential applications.

Standard 20mm Profile

Maintains industry-standard depth for universal compatibility:

Deck Integration: Works with conventional coping heights and deck levels used throughout the pool industry.

Low Profile Aesthetics: Subtle appearance that doesn’t dominate visually despite substantial width.

Installation Compatibility: Matches depth of other overflow components for consistent installation.

Safety Compliance: Appropriate profile height for safe walking surface without excessive trip hazard.

High Density Polyethylene Construction

Manufactured from premium HDPE specifically engineered for pool environments:

High Impact Strength: Exceptional resistance to impacts from equipment, furniture, and accidental strikes—critical in large commercial environments.

UV Stability: Advanced stabilization ensures the grating maintains properties and appearance despite years of intense sun exposure.

Chemical Resistance: Completely unaffected by chlorine, bromine, salt chlorination, pH adjusters, and other pool chemicals.

Virtually Unbreakable: HDPE formulation provides remarkable toughness and damage resistance under normal use conditions.

Long Service Life: Material properties ensure decades of reliable performance when properly installed and maintained.

Temperature Stability: Maintains integrity across extreme temperature ranges from freezing to intense heat.

Comprehensive Color Options

Available in extensive color palette to match any design vision:

Standard Colors: White, blue, black, red, yellow available as stock options.

RAL Color Matching: Most RAL colors available through custom manufacturing for precise architectural coordination.

Design Integration: Color selection enables grating to blend seamlessly or contrast deliberately with pool finish and deck materials.

Branding Opportunities: Custom colors allow incorporation of facility or brand colors in commercial installations.

Anti-Slip Safety Surface

Textured surface provides essential safety characteristics:

Wet Surface Traction: Reliable grip even when saturated with water.

Comfort Balance: Texture provides security without being uncomfortable for bare feet.

Code Compliance: Meets safety standards for pool deck walking surfaces.

Durability: Texture maintains effectiveness throughout product lifespan.

Premium Applications

Large Commercial Aquatic Facilities

Major installations where scale demands maximum-width components:

Olympic Competition Pools: 50-meter pools where exceptional overflow capacity is essential for managing competition-generated waves.

Wave Pools: Specialized pools with wave generation systems creating massive water displacement.

Water Parks: High-traffic commercial facilities with multiple pools, slides, and water features.

Aquatic Centers: Multi-purpose facilities hosting competitions, instruction, recreation, and therapy programs.

Resort Mega-Pools: Destination resort pools exceeding 500 square meters of surface area.

Architectural Showcase Installations

Prestigious projects where visual impact and scale are critical:

Luxury Hotel Signature Pools: Flagship pool installations that define property identity and guest experience.

Casino and Entertainment Venues: Dramatic pool installations in gaming and entertainment complexes.

Rooftop Infinity Pools: High-profile elevated installations with spectacular views and architectural distinction.

Museum and Cultural Centers: Pools integrated into architectural landmarks and cultural facilities.

Corporate Headquarters: Executive facilities featuring impressive aquatic amenities.

Specialized Pool Types

Unique applications requiring exceptional overflow capacity:

Dive Tanks: Deep pools for scuba training, commercial diving practice, or technical diving generating significant surface turbulence.

Surf Simulation Pools: Wave pools designed to simulate ocean surf conditions.

Therapy and Rehabilitation Pools: Large therapy facilities serving multiple patients simultaneously with various aquatic exercises.

Training Facilities: Olympic training centers, professional athlete facilities, or specialized aquatic training installations.

High-Activity Recreational Pools

Facilities experiencing extreme use patterns:

Theme Park Pools: Attractions within larger entertainment complexes generating exceptional water displacement.

Resort Activity Pools: Multi-feature recreational pools with slides, diving, volleyball, and various concurrent activities.

Community Water Centers: Municipal facilities serving large populations with diverse programming.

University Aquatic Complexes: Collegiate facilities supporting athletics, recreation, and instruction simultaneously.

Installation and Specification Considerations

Critical Planning Requirements

Success with 300mm grating demands comprehensive planning:

Channel System Design: Requires 300mm wide overflow channels specifically engineered for this grating dimension—cannot be used with narrower standard channels.

Structural Engineering: Channel support structure must be designed to handle loads across the wider unsupported span.

Quantity Calculation: Accurately determine required linear meterage accounting for pool perimeter, corners, and any special configurations.

Custom Requirements: If corners, curves, or unusual shapes are needed, provide detailed specifications to manufacturer.

Color Selection: Specify desired color from standard options or provide RAL code for custom matching.

Information Required for Custom Orders

When specifying custom configurations, provide:

• Length + Quantity: Total linear meterage needed and whether supplied in specific lengths
• Width: Confirm 300mm or specify alternative custom width
• Depth: Standard 20mm or custom depth requirement
• Profile: Specific profile design if different from standard
• Color: Standard color selection or RAL code for custom matching
• Special Configurations: Detailed specifications for corners, curves, or unusual shapes

Professional Installation Imperatives

Given the scale and investment, professional installation is strongly recommended:

Expertise Essential: Proper installation of 300mm grating requires understanding of load distribution, alignment techniques, and connection methods.

Equipment Requirements: May require specialized handling equipment for positioning large sections.

Precision Critical: Alignment and leveling across wide grating sections demands professional skill and attention to detail.

Quality Assurance: Professional installation ensures warranty compliance and optimal long-term performance.

Efficiency: Experienced installers complete the work faster with better results than DIY attempts.

Channel Compatibility Verification

Before ordering, confirm:

• Channel Width: Must be exactly 300mm—dimensional incompatibility cannot be corrected after ordering
• Support Spacing: Verify channel support points are appropriate for grating span requirements
• Material Compatibility: Ensure grating and channel materials are compatible for your environment
• Connection Method: Confirm grating connection system matches your channel design

Performance Characteristics

Structural Considerations

While single spine construction in 300mm width provides adequate strength for many applications:

Span Limitations: Maximum unsupported span should not exceed manufacturer specifications—may be less than narrower grating.

Load Distribution: The width helps distribute loads, but concentrated loads (furniture legs, equipment) should be evaluated.

Support Requirements: May require more frequent support points than narrower grating to prevent deflection.

Application Assessment: Verify that single spine construction suits your specific traffic patterns and loading conditions.

Upgrade Option: For extremely demanding conditions, consider double spine construction if available in 300mm width.

Flow Performance

The exceptional width provides outstanding overflow capacity:

High Volume Handling: Can accommodate substantially greater water flow than narrower alternatives.

Turbulence Reduction: Wide surface spreads flow, reducing localized turbulence and splash.

Debris Management: Large surface area effectively captures and diverts debris before it enters drainage system.

System Efficiency: Enhanced overflow capacity supports overall hydraulic system performance.

Maintenance and Longevity

Routine Care

Maintaining 300mm grating follows standard procedures with scale considerations:

Surface Cleaning: Regular brushing or pressure washing—larger sections may require more time.

Channel Access: Lift sections periodically for channel cleaning—wider sections may be heavier requiring appropriate handling.

Connection Inspection: Verify sections remain securely connected, particularly important with larger sections.

Structural Monitoring: Watch for any deflection or sagging that might indicate inadequate support.

Long-Term Performance

HDPE construction ensures extended service life:

Material Durability: High-quality HDPE maintains properties for 15-25+ years in appropriate applications.

UV Resistance: Advanced stabilization prevents degradation from sun exposure.

Chemical Immunity: Unaffected by pool chemistry throughout service life.

Impact Recovery: HDPE’s toughness means it withstands impacts without permanent damage.

Technical Specifications

Specification	Detail
Product Code	HD106300-S1N
Product Type	Extra-Wide Overflow Grating
Width	300mm
Depth/Height	20mm (standard)
Construction Type	Single Spine
Material	High Density Polyethylene (HDPE)
Standard Colors	White, blue, black, red, yellow
Custom Colors	Extensive RAL palette available
Surface Finish	Anti-slip textured surface
Impact Strength	High
UV Stability	Yes – advanced stabilization
Chemical Resistance	High – resists all pool chemicals
Durability	Virtually unbreakable under normal use
Load Class	Pedestrian traffic (verify for specific heavy loads)
Temperature Range	Suitable for extreme climate conditions
Customization	Available for length, profile, corners, shapes
Installation Method	Professional modular installation recommended
Application	Large commercial, resort, architectural installations
Coverage Advantage	50% more than standard 200mm width
Maintenance	Low – periodic cleaning and inspection
Expected Lifespan	15-25+ years with proper care
Channel Requirement	Requires 300mm wide overflow channels
Manufacturing	Certikin HDPE – custom manufacturing available

Specification and Ordering Process

Standard vs. Custom Orders

Standard Configuration: 300mm x 20mm single spine in standard colors typically available from stock or short lead time.

Custom Requirements: Non-standard dimensions, special colors, corners, or unusual shapes require custom manufacturing with appropriate lead times.

Information to Provide

When ordering, specify:

1. Total Length Required: Calculate pool perimeter and desired coverage
2. Width Confirmation: Verify 300mm is correct (or specify alternative)
3. Depth: Standard 20mm or custom requirement
4. Profile Type: Standard or special profile design
5. Color Selection: Standard color or RAL code
6. Special Features: Corners, curves, or unusual configurations with detailed specifications

Lead Time Considerations

• Standard Products: Typically available within normal delivery timeframes
• Custom Colors: May require additional manufacturing time
• Special Configurations: Custom corners or shapes require design and manufacturing lead time
• Large Quantities: Major projects may require advance ordering to ensure availability

Investment Considerations

The HD106300-S1N represents a significant investment:

Premium Pricing: Substantially more expensive than standard 200mm grating due to material quantity and specialized manufacturing.

Application Justification: Cost is justified when pool scale, overflow capacity requirements, or design vision specifically demand 300mm width.

Long-Term Value: Extended lifespan and superior performance provide value over the installation lifetime.

Project Scale: On very large pool projects, grating cost represents smaller percentage of total budget, making premium width more affordable.

Performance Insurance: For critical commercial applications, reliable performance justifies premium component investment.

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Note: The HD106300-S1N represents maximum standard width overflow grating. This product requires 300mm wide overflow channels and professional installation. Custom configurations are available—contact the manufacturer with specific requirements for corners, special colors, or unusual shapes. Verify that your application justifies the premium investment and that all supporting infrastructure is engineered for 300mm grating specifications.