GreenGirt CMH
continuous insulation systems
A family of continuous insulation systems that combines structural composite metal hybrid sub-framing and compatible accessories with expert engineering support. GreenGirt CMH systems can be used with mineral wool, spray foam, or your preferred insulation material to eliminate thermal bridging and increase energy efficiency.
Composite metal hybrid continuous insulation systems for walls, roofs, and openings
GreenGirt Max CMH™
GreenGirt Max CMH™ is a continuous insulation system that combines structural composite metal hybrid Z-girts, compatible accessories, and expert engineering, featuring 0.20″ steel-reinforced flanges.
GreenGirt Optima CMH™
GreenGirt Optima CMH™ is an optimized continuous insulation system with composite metal hybrid Z-girts, compatible accessories, and 0.17″ steel-reinforced flanges for structural integrity and cost-efficiency.
GreenGirt CMH Clips™
A continuous insulation clip system that combines structural composite metal hybrid clips and compatible accessories with expert engineering support.
GreenGirt CMH Delta™ Adjustable
An adjustable continuous insulation system that combines structural composite metal hybrid sub-framing and compatible accessories with expert engineering support.
GreenGirt CMH XO™
A continuous insulation system for windows that combines structural composite metal hybrid sub-framing and compatible accessories with expert engineering support.
Accessories
These products are fully compatible with GreenGirt CMH™ and SMARTci® systems, ensuring seamless integration and performance.
Continuous Insulation Systems
Manufactured by A2P to be fully compatible with GreenGirt® CMH™ and SMARTci™ systems.
GreenGirt® CMH™
A continuous insulation system that combines structural composite metal hybrid Z-girt sub-framing and compatible accessories with expert engineering support.
GreenGirt® CMH™ Clips
A continuous insulation clips system that combines structural composite metal hybrid clips and compatible accessories with expert engineering support.
GreenGirt® CMH™ Delta Adjustable
A continuous insulation system for windows that combines structural composite metal hybrid sub-framing and compatible accessories with expert engineering support.
GreenGirt® CMH™ XO
A continuous insulation system for windows that combines structural composite metal hybrid sub-framing and compatible accessories with expert engineering support.
Accessories
These products are fully compatible with GreenGirt® CMH™ and SMARTci™ systems, ensuring seamless integration and performance.
What is GreenGirt?
About GreenGirt CMH
Designers and builders often seek the load-bearing capacity and structural integrity of steel plus the non-conductive, thermally efficient properties of fiberglass – the GreenGirt composite metal hybrid family of continuous insulation systems can deliver on those features (and more!). GreenGirt CMH is a high-performance Z-girt system that combines the corrosion-resistant and insulative properties of fiber reinforced polymers with the structural resilience of a continuous metal component on each of the substrate- and cladding-facing flanges. This unique composition of CMH systems guarantees high structural strength and ensures robust screw retention – allowing screws to permanently fasten into a continuous metallic structural support for effective and reliable load distribution. Installers often favor CMH systems for their ease of installation – comparable to installing standard steel Z-girts.
Available in widths up to 8 inches, GreenGirt CMH systems eliminate the need for any insulation retention tools and conveniently work with all types of insulation: mineral wool, spray foam, and rigid-board insulation like XPS, EPS, and dual foil-faced class A polyiso.
Fully-integrated continuous insulation systems
GreenGirt CMH and SMARTci are most commonly specified as standard Z-girt wall systems (for vertical, horizontal, or diagonal installation), but complementary systems are available for use on roofs (GreenGirt CMH Roof), around windows and doors (GreenGirt CMH XO), for adjustability (GreenGirt CMH Delta Adjustable), and as clips (GreenGirt CHM Clips) – making convenient, versatile, and efficient fully-integrated systems.
Popular for its composite metal hybrid systems, Advanced Architectural Products has engineered and provided its GreenGirt CMH continuous insulation system in a multitude of sizes and configurations to accommodate all insulation types – for installation on thousands of buildings across the U.S., Canada, and beyond. These systems leverage composite metal hybrid materials for structural strength, fastener torque retention, durability, thermal efficiency, and more.
A historical evolution – from steel to FRP to CMH
Steel has been a long-standing choice for sub-framing as it stands out for strength and durability. But steel is a conductive material, making it difficult – if not impossible – to use steel sub-framing to achieve high R-values, energy code compliance, and overall healthier buildings.
The desire for energy efficient building enclosures and high R-values increased demand for fiber-reinforced polymer (FRP) sub-framing products. Made entirely of non-conductive fiberglass, these Z-girt products are efficient at eliminating the thermal bridges that occur in buildings, however, they don’t have the same structural strength as steel – reducing their longevity, durability, and fastener retention, especially under the extreme service temperatures that can occur inside sub-framing systems.
Enter composite metal hybrid, popularly known as “CMH” – the preferred choice today for continuous insulation systems. CMH combines the strength and durability of steel with the non-conductive, thermally efficient properties of fiberglass.
Compare and Choose the Best Solution for Your Project
Easily explore the key features and benefits of our systems and others in the market with a simple checklist and comparison guide. Whether you’re deciding between systems or need a side-by-side breakdown, click below for a comprehensive view to help you make an informed choice.
Frequently Asked Questions (FAQs)
GreenGirt CMH is a composite metal hybrid continuous insulation system that combines composite fiberglass materials (for non-conductive thermal performance and corrosion resistance) with steel-reinforced flanges (for structural resilience). This combination provides strong screw retention by allowing fasteners to bite into continuous metallic structural support for reliable load distribution, while supplying high-performance energy efficiency that eliminates thermal bridging.
GreenGirt CMH systems are designed to work with all insulation materials, including mineral wool, spray foam, and rigid boards such as XPS, EPS, and dual foil-faced Class A polyiso.
Steel offers strength and durability but is highly conductive, making high R-values and energy-code compliance harder to achieve. FRP reduces thermal bridging but typically doesn’t match steel’s structural strength and fastener retention, especially under extreme service temperatures, whereas CMH is the preferred choice because it combines steel’s strength with composite fiberglass material’s thermal efficiency.