Liquid Nails

Polyurethane Construction Adhesive LN-950

Polyurethane · US · not yet reviewed

Short answer

Temporary support can come off: 8–12 hours after application.
Tack-free: 1 hour after application.
Used for structural applications, load-bearing bonds: elapsed time alone can’t confirm it’s ready. Inspect or test before loading.

Start the clock

When did you apply it?
Outdoors, temperature
Where?
Thickness

Stated times

  • Working time ends30 minutes
  • Tack-free1 hour
  • Temporary support can come off8–12 hours

From Liquid Nails data sheet · checked 2026-10-24. Anything not listed isn’t stated by the manufacturer.

Conditions & fine print
  • Stated conditions: 73°F and 50% relative humidity
  • Set time depends on temperature, humidity and how porous the surfaces are. Join surfaces within 30 minutes of applying.
  • Temperature range: 40°F to 100°F
  • Region US. Formulas can differ between countries; check your container.
  • Tack-free: 73°F and 50% RH
  • Temporary support can come off: Depends on temperature, humidity and porosity
  • Entered from the manufacturer source; second review pending. Report outdated information
  • Actual results depend on preparation, thickness, ventilation, temperature, humidity, mixing and substrate.

Questions

How long before Polyurethane Construction Adhesive LN-950 is temporary support can come off?

Liquid Nails states: Support until the adhesive has set (about 8 to 12 hours, depending on temperature, humidity and porosity). Conditions: Depends on temperature, humidity and porosity. This is the manufacturer’s stated time, not a guarantee.

How long before Polyurethane Construction Adhesive LN-950 is tack-free?

Liquid Nails states: Tack-free time: 60 minutes. Conditions: 73°F and 50% RH. This is the manufacturer’s stated time, not a guarantee.

Similar products

All adhesives and glues