Why don usa freight companies use canvas trailers vs. aluminum trailers?
Canvas and aluminum trailers do essentially the same thing, but the philosophy behind their constructions are vastly different. Each has its own niche, and one often will not substitute for the other.Design PhilosophyCanvas trailers are essentially designed as covered flatbeds, a status reflected by their “covered wagon” epithet. Box trailers are designed to be fully enclosed cargo boxes suited for a variety of tasks.AerodynamicsOne main reason that aluminum trailers are preferred over canvas is that canvas tends to trap the wind and flap around. This reduces fuel mileages and decreases highway stability.Weather ResistanceCanvas trailers are much less weather-resistant than aluminum units, particularly in extreme conditions, like hail and heavy windstorms.SecurityAluminum trailers are preferred because they provide more security than canvas trailers, which can be breached with little more than a carpet knife.Temperature ControlEven non-insulated aluminum trailers do a better job at int
