
R-Core Insulated Metal Panels (IMPs) are the most energy-efficient, cost-effective
building technologies for decreasing the cost-to-yield efficiency on the market today.
No Nails - No Sheathing - No Spray Foam - No Wall Coverings
The Ultimate Energy Efficient:
Designed with the latest scientific breakthroughs, you get 100% reliable thermal performance and insulation continuity – no cavities, no gaps, no crushed insulation, and no cold bridges. R-Core panels and cutting-edge energy efficiency are lightweight, durable, and still maintain their ease of installation and visual appeal.
Now is the best time to build with Canna Cobra’s R-Core insulated metal panels because the benefits have never been greater. The insulated core is one of the most thermally effective insulants commonly available today. Insulation values can be easily increased by simply increasing the thickness of the panels.


R-Value (h*ft2*F/BTU)
Panel Thickness: R-Value:
2″ = 17.5
3″ = 26.2
4″ = 35.0
5″ = 43.7
6″ = 52.5
Note: National average R-Factor for walls: Between R13 and R15.
*Canna Cobra recommends, at a minimum, to double what the local code calls for when constructing a grow facility. Cost-to-yield efficiency begins with insulation.


1. Perfect Facility 2. Perect Genetics 3. Perfect Cultivation

Attractive and Environmental Control:
Aesthetic styling and one of the most sophisticated building products on the market today. R-Core insulated panels offer a clean, consistent, and high-quality appearance that immediately adds value to your cultivation facility.
Insulated panels enhance the visual appearance and provide your grow facility with optimal insulation, seal, and environmental control.
Sturdy and Durable:
The panels incorporate a finished interior liner, a factory-applied air and vapor shield, and an insulated foam core with a finished exterior weathering surface into a single building unit. The composite action resulting from a chemical bond between the poured-in-place foam core and steel skins creates a lightweight, rigid unit with exceptional spanning capacity.
Supporting Alliances:
Compared to traditional building materials and methods, R-Core™ insulated metal panels are lighter, stronger, safer, costs less, faster, and more efficient.

• Exterior roof and siding sheathing
• Interior wood stud-framing buildout
• Interior Closed-cell spray foam
• Interior OSB wall sheathing and sealer
• Final PVC-type wall and ceiling covering

Save Three to Four Months in Construction Time:
From our experience, having built forty-one (41) ‘traditionally built ’cultivation grow facilities, by using R-Core construction technology, can save three to four months in construction time on a 4,300sqft operation. Based on ten harvests per year, that comes out to 2.5 to 3.5 additional harvests, just in construction time efficiency.

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R-Core™ is designed, engineered, and manufactured in the USA. This gives you peace of mind when snow starts falling or the wind begins to blow, because our system is the strongest available in the industry.
Easy to Install and Affordable:
Remarkable lightweight reduces structural requirements and installation costs, with simplified fastening systems. Substantially reduces construction labor and ‘build-time’, by far.
R-Core panels themselves are very affordable, in part because of their lowered shipping costs attributed to their light weight, lower energy bills, and low maintenance.























