Estimated tube yield for 28-oz PL Premium adhesive when gluing flat panels to shipping container steel

One 28-ounce tube of Loctite PL Premium adhesive yields approximately 32 to 40 square feet of continuous wall coverage, which equals four to five standard two-by-four-foot insulation panels when applying a 3/8-inch bead.

Corrugated shipping container conversions across the United States and Canada face severe condensation risks when steel surfaces contact conditioned interior air. Securing continuous insulation directly to Corten steel with high-tack polyurethane adhesive eliminates mechanical thermal bridges and prevents puncturing the weather-resistant exterior shell.

If you only do one thing: Apply a continuous 3/8-inch bead along every embedded stud rib on the panel back to guarantee structural bonding and an unbroken air barrier against the steel.

• Linear bead yield: A single 28-oz cartridge dispenses approximately 86 linear feet of a 3/8-inch adhesive bead or 195 linear feet of a 1/4-inch bead at standard gunning pressure.
• Panel coverage rate: Dispensing a 3/8-inch bead pattern across the contact ribs of a 2x4-foot panel consumes 18 to 22 linear feet of adhesive, yielding 4 to 5 panels per tube.
• Surface preparation standard: Container steel must be clean of oils, peeling paint, rust scale, and frost before application; wipe down bonding zones with denatured alcohol or acetone.
• Open time and working window: Polyurethane construction adhesive provides an open repositioning time of 15 to 20 minutes at 70°F (21°C) and 50% relative humidity before skinning over.
• Full cure timeline: The adhesive reaches initial set strength within 24 hours and achieves full cure at 48 to 72 hours, drawing moisture from the surrounding air.
• Total container requirements: An interior fit-out for a standard 20-foot shipping container (roughly 300 to 350 square feet of wall area) requires 8 to 10 tubes of 28-oz adhesive, while a 40-foot container requires 16 to 20 tubes.

• Watch out for: Using solvent-based adhesives or standard drywall glues that dissolve expanded polystyrene (EPS) foam cores or fail under cyclical steel expansion.
• Watch out for: Installing below 40°F (4°C), which significantly delays moisture-cure polyurethane reactions and prevents panels from holding firmly without temporary bracing.
• Watch out for: Pressing panels completely flat against the steel; maintain a slight adhesive bed depth of at least 1/8 inch to bridge corrugation weld seams and metal stamping variations.

Calculate the total square footage of container steel walls and ceilings, divide by 35 to determine cartridge count, and add a 10% overage for end cuts and corner details.

General information only, not medical advice. Decisions about health, treatment or wellbeing should be made with a doctor or other qualified healthcare professional.