Back to Index
Material Science // Polymer Composite
SKU: MFD-COMP-2024

Privacy
Evolved.

The warmth of timber with composite durability. Designed for long-term, low-maintenance privacy compared with traditional wood. Finish performance, fade coverage, and warranty terms vary by product line and contract.

Specifications
Fade Warranty By contract
Maintenance Required Low
Fire Classification Fire-performance options
Material Composition HDPE + Wood Fiber
Reference data • Updated 2024
Scroll to Explore
01 — Specification
01 • Material Analysis

Comparative Performance

Objective data. No marketing claims. Just measured performance across critical longevity factors.

Test Protocols: ASTM D1037; ASTM E84 class ranges (FSI: A=0-25, B=26-75, C=76-200) per source.
Property
Cedar
Vinyl
Composite
UV Resistance
2-5 years
5-10 years
25+ years
Moisture Absorption
12-19%
0%
<1%
Rot Resistance
✖
✓
✓
Insect Resistance
✖
✓
✓
Fire Rating
ASTM E84 class ranges
ASTM E84 class ranges
Fire-performance options
Annual Maintenance
By product
Low
Low
Structural Warranty
By contract
By contract
By contract
02 — Simulation
02 • Degradation Simulation

Long-Term Performance Compared With Traditional Wood

UV radiation, moisture cycles, and microbial decay can shorten the life of traditional wood. Composite systems are designed for long-term performance compared with traditional wood, with actual performance depending on product line, exposure, installation, maintenance, and warranty terms.

T+0 Year 0 T+25
Drag to Simulate
Accelerated Aging Simulation
Control: Western Red Cedar
Wood decay year 0 Wood decay year 3 Wood decay year 5 Wood decay year 8 Wood decay year 10 Wood decay year 13 Wood decay year 15 Wood decay year 18 Wood decay year 20 Wood decay year 25
Subject: MFD Composite
Composite year 0 Composite year 3 Composite year 5 Composite year 8 Composite year 10 Composite year 13 Composite year 15 Composite year 18 Composite year 20 Composite year 25
VS
Elapsed
0 yr
Cedar Integrity
100%
Composite Integrity
100%
03 — Finishes
03 • Color Laboratory

Engineered Finishes

Finish performance, fade coverage, and warranty terms vary by product line and contract.

Colors shown are representative only and may vary in person due to screen differences and lighting conditions.

Midnight
MFD-001
Walnut
MFD-002
Driftwood
MFD-003
Sandstone
MFD-004
Slate
MFD-005
Coastal
MFD-006
04 — Anatomy
CORE

PermaTech™ Cap

Designed to resist moisture, staining, and UV exposure under normal use when installed and maintained according to manufacturer guidance.

UV Inhibitors
Recycled HDPE Core
04 • Cross-Section Analysis

Not plastic.
Not wood.
Engineered.

High-density polyethylene and reclaimed wood fiber, fully encapsulated in a synthetic capstock. The structural rigidity of timber. The molecular stability of aerospace polymers.

Density: 62 lb/ft³ Tensile: 2,400 PSI
01

Encapsulated Wood Fibers

Resists rot, warping, and routine staining under normal use when installed and maintained according to manufacturer guidance.

02

Self-Extinguishing

Fire performance depends on the specific product and test reports. Documentation available on request.

03

Dimensional Stability

Dimensional performance varies by board profile and installation conditions. Follow manufacturer spacing, fastening, and support guidance.

05 — Protocol
05 • Installation Protocol

Precision Deployment

Average Project Duration: 2-4 Days
Day 1
01

Site Survey

Boundary verification. Utility marking. Soil analysis. Grade assessment. Post location mapping.

Day 1-2
02

Foundation

Post holes augured to 30" depth. Concrete footings poured. Aluminum posts set to laser-level precision.

Day 2-3
03

Assembly

Horizontal rails mounted. Composite boards installed with hidden fastener system. Gap tolerances: ±1mm.

Day 3-4
04

Final Inspection

Plumb verification. Gate operation test. Hardware torque check. Client walkthrough. Documentation complete.

06 — Warranty

Warranty Overview

Up to 25 years
Material Warranty

What's Covered

  • Composite boards, rails, and posts are covered against manufacturing defects.
  • Powder-coated or capped finishes may carry up to a 25-year manufacturer warranty.
  • Installation workmanship coverage is listed in your signed proposal.
  • Written coverage terms are provided before installation starts.

Important Limits

  • Normal wear, misuse, impact damage, and third-party modifications are excluded.
  • Coastal and high-UV conditions may change finish coverage windows by product line.
  • Warranty claims require photos, install details, and a site review when needed.
  • See Terms & Warranty for full legal language.
Transferability and labor terms are listed in your contract packet. Geranium Street USA, Inc. dba Modern Fence & Deck · CA License #955154

Ready to eliminate maintenance
from your vocabulary?

Schedule a site consultation. We'll bring samples.

Configure Your System

Related Services

Hardwood Fencing Aluminum Fencing Custom Planters Fence Removal

Areas We Serve

San Diego County Orange County Los Angeles County All Service Areas

Learn More About Composite Fencing

Read the comparison and maintenance guides before choosing a composite system for privacy-forward parts of the property.

Composite Fencing Pros and Cons A realistic look at where composite works and where it does not. What Is Composite Wood? Start with the practical definition for decking and fencing before you compare systems. Composite Trash Enclosures A practical use case where composite can outperform basic wood assemblies. Replacing Old Vinyl Fences How newer material mixes compare against aging vinyl and wood.