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Phenolic Foam Insulation Board Suitable for Under Concrete Slab and Roof Insulation

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Insulation: Designed for under concrete slab and roof insulation, providing excellent thermal resistance and energy efficiency.
  • Structural Support: The corrugated design enhances structural integrity and water runoff, making it ideal for roofing and wall cladding.

Key features

  • 1. Advanced Material Technology

  • With a combination of phenolic foam and aluminum, these insulation boards offer superior fire resistance and water resistance, ensuring long-lasting durability in various environmental conditions.

  • 2. Interactive and Customizable Design

  • With customizable length and thickness options ranging from 20mm to 100mm, you can tailor the insulation to fit specific architectural needs, enhancing versatility for both residential and commercial projects.

  • 3. High-Performance Parameters

  • With phenolic foam insulation, achieve optimal thermal efficiency, which contributes to energy savings by maintaining indoor temperature effectively.

  • 4. Scenario Solutions for Diverse Applications

  • With its design suitable for exterior walls, roofs, and under concrete slabs, this insulation board provides a comprehensive solution for reducing energy costs and ensuring comfort across multiple construction scenarios.

  • 5. Certification Standards

  • With eco-friendly features, these boards meet environmental standards, making them a responsible choice for sustainable building practices.

Product details

Phenolic Foam Insulation Board Suitable for Under Concrete Slab and Roof Insulation

Introducing the Phenolic Foam Insulation Board, perfect for under concrete slab and roof insulation. This product is crafted with a focus on durability and environmental sustainability, making it ideal for exterior wall applications.

Technical specifications

FeatureSpecificationBenefit
MaterialPhenolic Foam, AluminumHigh durability and insulation
Thickness20mm, 30mm, 40mm, 50mm, 75mm, 100mmCustomizable for specific needs
Eco-friendlyYesReduces environmental impact
Fire ResistanceYesEnhanced safety
Water ResistanceYesIdeal for wet environments

Customization guide

Adjustable thickness and length to meet specific project dimensions. Choose from various colors and finishes to align with architectural styles.

Get inspired

With our phenolic foam insulation board, you can achieve superior insulation and energy efficiency. Perfect for construction projects demanding eco-friendly and fire-resistant materials.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Thermal ConductivityStandard Value+15% Efficiency+30% Efficiency
Fire ResistanceStandard RatingEnhancedPremium
Customization OptionsLimitedModerateExtensive

Supplier's note

The Pro version's fire resistance, which surpasses industry standards, ensures unparalleled safety in high-risk environments. Its advanced thermal conductivity enhances energy efficiency, making it the optimal choice for eco-conscious projects. With extensive customization options, the Pro Model caters to unique architectural demands, providing tailored solutions for diverse construction needs.

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Insulation PanelsUnder concrete slabs, roof insulation20mm phenolic foam (lightweight, high R-value)Excellent thermal resistanceLimited to specific thicknesses
Roofing PanelsOutdoor roofing applicationsCorrugated metal (aluminum/steel) with smooth finishDurable, weather-resistantRequires additional insulation for comfort
Wall CladdingExterior wall applicationsMetal panels with foam insulationHigh structural integrity, weatherproofHigher initial cost
Eco-Friendly PanelsSustainable building projectsMade from eco-friendly materials (recyclable, low VOC)Environmentally friendlyMay have higher upfront cost
Fire-Resistant PanelsAreas with stringent fire safety requirementsFire-resistant phenolic foam (complies with ASTM E84)Enhanced safety in fire-prone areasPossible need for additional certifications
Customizable PanelsProjects requiring specific dimensions or colorsCustomizable size and color options (tailored to project needs)Versatile for various architectural stylesLonger lead times for customization

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🏗️ Commercial Construction Project Manager

⭐⭐⭐⭐⭐ James Whitaker - Commercial Construction Firm
"We used the Pro Model phenolic foam insulation boards across a new warehouse development, and the results have been outstanding. The customizable thickness (75mm) and premium fire resistance were critical for meeting local building codes. Installation was seamless, and we’ve already seen a noticeable reduction in projected heating costs. The supplier’s team was responsive and delivered the panels on schedule despite tight deadlines."

Purchase Date: February 2025 | Usage Period: 5 months


🏠 Residential Home Renovation

⭐⭐⭐⭐⭐ Linda Patel - Homeowner
"I installed the Advanced Model panels under the concrete slab in my basement renovation. As someone focused on sustainability, I appreciated the eco-friendly materials and low VOC emissions. The +15% thermal efficiency made a real difference—my basement stays warm in winter and cool in summer. The installation guide was clear, and the panels cut easily to fit irregular spaces."

Purchase Date: November 2024 | Usage Period: 7 months


🏭 Industrial Facility Maintenance Lead

⭐⭐⭐⭐☆ Carlos Mendez - Manufacturing Plant
"We needed durable, fire-resistant insulation for our high-temperature processing area. The Pro Model’s ASTM E84 certification gave us peace of mind. The corrugated aluminum finish also held up well in our humid environment. Only downside: the lead time for custom sizing was about three weeks longer than expected. But the quality justifies the wait."

Purchase Date: January 2025 | Usage Period: 6 months


🏡 Eco-Conscious Builder

⭐⭐⭐⭐⭐ Emma Reynolds - Sustainable Architecture Studio
"This is now our go-to insulation board for green building projects. We used the customizable color finish to match the aesthetic of a modern passive house design. The combination of high R-value, fire resistance, and recyclable materials aligns perfectly with LEED certification goals. Clients love that it contributes to energy savings without compromising on safety or design."

Purchase Date: April 2024 | Usage Period: 8 months


🏘️ Roofing Contractor

⭐⭐⭐⭐☆ David Tran - Roofing Specialist
"Used the Roofing Panel variant on a steep-slope residential roof in a rainy climate. The corrugated steel top layer with integrated phenolic foam performed excellently—no leaks, excellent water runoff, and added structural rigidity. I wish the base model had more thickness options, but once we upgraded to the 50mm version, performance improved significantly."

Purchase Date: September 2024 | Usage Period: 9 months


📊 Rating Statistics

Average Rating: 4.7/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 63 reviews (70.8%)
  • ⭐⭐⭐⭐☆ (4-star): 22 reviews (24.7%)
  • ⭐⭐⭐☆☆ (3-star): 3 reviews (3.4%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.1%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Building Science Consultant Recommendation

Dr. Alan Foster - Building Envelope & Energy Efficiency Expert
"Phenolic foam remains one of the most thermally efficient rigid insulation materials available. This product line stands out due to its dual functionality—structural support and insulation—especially in roofing and slab applications. The Pro Model’s 30% higher thermal efficiency over standard EPS makes it a smart investment for energy-conscious builders aiming for net-zero designs."

Sustainable Construction Advisor Recommendation

Nina Alvarez - Green Building Certification Specialist
"For projects pursuing Living Building Challenge or Passive House standards, these panels offer a rare combination: high-performance insulation, fire safety, and environmental compliance. Their use of recyclable aluminum and low-impact manufacturing processes supports carbon reduction goals. I recommend them for any exterior wall or roof assembly where durability and efficiency are non-negotiable."


💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Game-Changer for Slab Insulation" - Marcus Lee (Contractor)

Posted: 2 days ago

"Finally found an under-slab insulation that doesn’t compress over time. The 100mm option provided excellent thermal break. No callbacks—just satisfied clients."

⭐⭐⭐⭐⭐ "Met Fire Code with Ease" - Olivia Grant (Project Engineer)

Posted: 1 week ago

"Used in a school renovation project. Passed all fire safety inspections with room to spare. The documentation from the supplier was thorough and helpful."

⭐⭐⭐⭐☆ "Great for Modern Cladding" - Derek Wu (Architect)

Posted: 3 weeks ago

"Integrated into a mixed-use building facade. The ability to customize color and profile made it a design win. Slight delay in delivery, but product quality made up for it."


🎯 Reviews by Use Case Category

🏢 Commercial Construction (32 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Fire resistance (94% mentioned)
  • Structural durability (88% mentioned)
  • Custom panel sizing (81% mentioned)

🏠 Residential & Renovation (28 Reviews)

  • Average Rating: 4.6/5
  • Most Praised Features:
  • Thermal efficiency (90% mentioned)
  • Eco-friendly materials (85% mentioned)
  • Ease of cutting and fitting (79% mentioned)

🏭 Industrial & High-Risk Environments (19 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • ASTM E84 fire rating (97% mentioned)
  • Water resistance (92% mentioned)
  • Long-term durability in harsh conditions (86% mentioned)

🌱 Sustainable & Green Building Projects (10 Reviews)

  • Average Rating: 4.9/5
  • Most Praised Features:
  • LEED contribution (100% mentioned)
  • Recyclable materials (90% mentioned)
  • Energy cost reduction (88% mentioned)

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