JM Corbond® IV

Product Name
JM Corbond® IV
Product Descriptive Name
Closed-Cell Spray Polyurethane Foam
Product Short Description
High-yield, closed-cell spray foam with HFO technology. 

Product Details

JM Corbond® IV

Product Long Description
JM Corbond® IV closed-cell spray polyurethane foam (SPF) is a next generation HFO blown, two-component, Class 1 rated, medium-density, SPF insulation system. JM Corbond IV is designed to insulate commercial, residential, and industrial buildings. The HFO technology allows JM Corbond IV to be produced with a low Global Warming Potential (GWP) and with an Ozone Depletion Potential (ODP) of zero. Its high yield, superior thermal and moisture performance, and exceptional sprayability and adhesion make it an ideal choice for high-performing energy efficient buildings.

Features

JM Corbond® IV

Features

Energy Efficient - Improves energy efficiency and provides and effective air barrier.

Performance Advantages - Corbond IV has exceptional adhesion and increases racking strength.

Installer Advantages - Superior sprayability, wide processing window and high yield when properly applied.

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Fungi ResistanceNo GrowthASTM C1338
No Growth
Dimensional Stability (-20°C)ASTM D2126-0.2%
Dimensional Stability (80°C)ASTM D2126-1.7%
Dimensional Stability (70°C at 97% RH)ASTM D2126+1.3%
Core Density, NominalASTM D162229.5 kg/m3 (1.84 pcf)
Open Cell ContentASTM D62265%
Compressive Strength (50 mm)ASTM D1621198 kPa (29 psi)
Water AbsorptionASTM D28421.86%
Water Vapor Transmission (50 mm specimen)ASTM E9641 ng/Pa•s•m2
Air Permeance at 75 PaASTM E21780.0061 (L/s•m2)

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Access the JM Spray Foam product document library for data sheets, safety data sheets (SDS), literature and more.

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TechConnect is JM’s team of insulation experts here to make your job easier. With FREE online, oncall and onsite service available wherever you are, the information you need is always nearby. Whether you need compliance answers, consultations. spec recommendations, online trainings, technical product assistance or something else, we have a range of services and solutions to keep your job moving.

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The Source is where we house the latest Insulation Intel® on industry trends, insights, and continuing education opportunities. This is a resource built specifically to aid you in your professional development. Explore our webinars, compare specs, and follow our blog all right here at The Source.

SmartBinder Resource Library 
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Where to Buy
Use our insulation locator tool to find JM products near you.

Resource Pages

JM Corbond Closed-Cell and Open-Cell SPF
Johns Manville's complete line of spray polyurethane foam (SPF) insulation solutions provides superior thermal energy efficiency, as well as advanced air and sound control. 

Inflation Reduction Act

Proper insulation is essential in creating an efficient and comfortable home. The good news is that through the Inflation Reduction Act, there are tax credits for both new homes and upgrades to existing homes, and those tax credits can benefit everyone including contractors. 

Title 24 Resource Page
With the broadest product offering in the insulation industry and more than 160 years of experience, Johns Manville is your expert building partner. Our building science knowledge and network of skilled contractors can help you meet or exceed new Title 24 requirements, providing more comfortable and energy efficient homes.

Project Profile

Denny Way Project Profile

White Paper

Exploring the Efficacy Of High Lift Spray Foam Insulation
Free white paper comparing the performance of JM Corbond III and high lift spray foams

Spray Foam Certification Course

How to get certified in four easy steps:
1. ACC High Pressure SPF Chemical Health + Safety Training 
2. SPF Course + Exam
3 On-site Field Practical + Exam
4. Photo + Document Submittal

Spray Foam Parts and Equipment

We have on-staff experts designated to helping you select the right parts and equipment for your spray foam rig. Our spray foam team has access to an extensive catalog of spray foam parts and equipment with overnight shipping capabilities for emergencies.  You can connect with our technical service representative via phone, email, video calls or even text message to ensure you are ordering the correct part.  

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