Loctite PL? 400 Subfloor Construction Adhesive provides a powerful, permanent bond and is formulated for all heavy-duty interior or exterior subfloor construction. Cold weather formula for easier extrusion and excellent adhesion in all weather conditions. Bonds dry, wet, frozen and treated lumber to most building materials. Offers fast set and superior strength and development. Low-VOC formulation meets stringent State and Federal VOC regulations.