Triple-Sealed Roof & Rubberized Undercoating
At 11:32 in
How Canadians Build Cargo trailers 4K
What happens here
At the very last stage of the manufacturing process, the trailers receive their final protective coatings. The one-piece aluminum roof is triple-sealed with multiple layers of adhesive, screws, and caulk to ensure complete waterproofing and durability. Crucially, each trailer is then lifted high into the air on a hydraulic hoist. This allows workers full and comfortable access to the entire underside of the trailer. Scott, one of the owners, explains that they apply an automotive-style rubberized undercoating to all cracks and crevices. This double-seals the underside, preserving the wood, protecting the steel frame from corrosion, and providing sound dampening. This meticulous process ensures comprehensive, long-lasting protection for every trailer.
Goal: Complete the trailer's weatherproofing and long-term protection by triple-sealing the roof and applying an automotive-grade rubberized undercoating to the underside.
Tools and materials
- Hoist/Lift BendPak — Elevating the trailer for underside access
- Personal Protective Equipment — Protecting workers during undercoating application
- Sealant/Caulk — Triple-sealing the roof
- Spray Gun — Applying rubberized undercoating
- Rubberized Undercoating — Protecting the underside of the trailer
What they say
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What they say
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