Glue-down
Bonding flooring directly to the substrate with adhesive — correct for engineered flooring over concrete, and in condominiums.
Glue-down is the method where fasteners cannot be used and full contact with the substrate is wanted. It is the standard for engineered flooring over a concrete slab.
It depends heavily on substrate flatness and on slab moisture, both of which must be assessed before the price is fixed rather than discovered afterwards.
Related
Terms this one depends on
- Engineered hardwoodFlooring that pairs a real hardwood wear layer with a 90° cross-ply core, which is what gives it dimensional stability over concrete, in condominiums and above radiant heat.
- SubfloorWhat the finished floor is installed onto — plywood over joists, a concrete slab, or a radiant assembly — and the thing that determines the installation method.
- Nail-downFastening flooring mechanically to a wood subfloor — correct for solid hardwood over plywood.
- FloatingInstalling flooring so it rests on the substrate without being fastened or bonded to it — correct over radiant heat, or where acoustic separation is required.
- Fixed priceA price written in the estimate that is the price paid, with no open-ended change-order language for conditions that should have been tested on day one.
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