OSI SF450 Construction Adhesive Caulk

Closed Cell Backer Rod
Latex Based Acrylic Caulk

OSI SF450 Construction Adhesive Caulk

With OSI SF450, cold weather won’t slow you down. This professional latex sealant is weather resistant and designed to bond to wet, frozen and treated lumber, making it ideal for subfloor installation. It guns easily from 20ºF to 120ºF and has a strong adhesion to most building materials. It is not recommended for use on OSB type subfloor materials. It’s also great for bridging minor framing gaps. Not for exterior use when rain is expected.

Add to Project List
Add to quote
SKU: CKA29 Categories: , Tags: ,
  • Description
  • Features
  • Data Sheets & Downloads

OSI® SF450 Interior/Exterior Subfloor Adhesive is an eco-friendly, latex-based construction adhesive which provides strong bonding reliability for interior or exterior subfloor construction. It’s cold weather formula allows for easier extrusion, fast set, and excellent strength development. SF450 Subfloor Adhesive can bond dry, wet, and frozen lumber in most wood-to-wood assemblies. It is not recommended for use on OSB type subfloor materials. Low VOC formulation meets stringent State and Federal VOC regulations.

OSI® SF450 Interior/Exterior Subfloor Construction Adhesive is primarily used for glued floor projects involving standard plywood tongue-and-groove flooring to standard wood joist systems. This adhesive can also be used in a wide variety of general construction projects with most building materials. SF450 offers strong adhesion for all types of wood-to-wood assemblies, concrete, and masonry.

  • Bonds to wet, frozen, and treated lumber
  • Weather resistant when cured
  • Guns easily from 20°F to 120°F
  • Bridges minor gaps in framing
  • Strong adhesion to most building materials
  • GREENGUARD Gold Certified
  • Available in Tan

Safety Data Sheet

Product Data Sheet

Related Products