Yes, you can use heavy-duty construction adhesive, polyurethane adhesive, or strong clear silicone to attach quarter round when nailing is not feasible or desirable. When using adhesive, it is critical to apply a continuous or dotted bead exclusively to the back side that contacts the wall or baseboard, ensuring you never glue the molding down to a floating floor. Gluing it to a floating floor restricts its natural thermal expansion and contraction, which can cause buckling, warping, or unsightly gaps over time. Because liquid adhesives take time to cure, you will need to hold or press the quarter round firmly against the wall using painters tape, heavy objects, or temporary brads until the adhesive sets completely.
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