Take those cautions with a grain of salt. Yes many products will have problems with expansion in larger areas but the amount of surface we are dealing with in a trailer the expansion will be lost in the noise.
I have had my Armstrong floating floor in for 10 years and have never seen any evidence of movement.
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WBCCI 12156 AIR 3144 WACHUNG TAC NJ6
2004 Excursion 4x4
1991 34 ft. Excella +220,000 miles, new laminated flooring, new upholstery, new 3200 lbs axles
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