Titebond All-Weather Subfloor Adhesive Is The Ideal Choice For Subfloor Installations. It Is Designed For Particleboard, Osb, Engineered Lumber, Wet, Frozen And Treated Lumber. It Offers A Strong Initial Tack Provides Superior Strength And Remains Permanently Flexible. Titebond All-Weather Fills Gaps And Irregularities Between Materials And Provides A More Solid Backup Surface. It Reduces The Amount Of Nailing And Helps Eliminate Squeaky Floors. It Also Works Extremely Well In Colder Temperatures.