Stimulus

North America – Crawl Space


Call for a Better Crawl

Reduce Energy Loss from the ground up.

Leaving the crawl space uninsulated can be a major source of a home's energy loss. A continuous layer of rigid foam insulation from Dow on the interior surface of the crawl space walls is the most effective way to reduce energy loss in a crawl space. It's moisture resistant and helps reduce the potential for damp crawl spaces. Plus, it cuts easily and installs quickly.

Weatherize and enhance energy efficiency with GREAT STUFF PROâ„¢ Gaps & Cracks Insulating Foam Sealant and FROTH-PAKâ„¢ Foam Sealant.

U.S.

Project Specifications Recommended Dow Solutions

No vents in the crawl space and no ventilation openings to the living area

Unheated crawl space
  • Scored at 16" and 24" on center
  • Easy to snap to convenient widths
  • Square edge
  • 3/4" -3" thicknesses
  • 25 psi

STYROFOAMâ„¢ Brand SCOREBOARDâ„¢ Insulation
  • Square edges on all four sides
  • 3/4"-4" thicknesses
  • Two board size options
  • 25 psi
 STYROFOAMâ„¢ Brand Square Edge Insulation
  • Interlocking fit
  • 3/4"-2" thicknesses
  • Three board size options
  • 25 psi
 STYROFOAMâ„¢ Brand Tongue and Groove Insulation
  • Glass-fiber-reinforced polyisocyanurate foam core for fire resistance
  • Aluminum foil facers
  • 1/2"-2" thicknesses
  • Three board size options
  • 25 psi
 THERMAXâ„¢ Sheathing

Enhanced Installation

No vents in the crawl space but has ventilation openings to the living area
  • Glass-fiber-reinforced polyisocyanurate foam core for fire resistance
  • Aluminum foil facers
  • 1/2"-2" thicknesses
  • Three board size options
  • 25 psi
 THERMAXâ„¢ Sheathing

Enhanced Installation
 
Literature
Breathe Easier With a Non-Vented Crawl Space (248KB PDF)
Performance and Value Revealed: THERMAXâ„¢ for Basements and Crawl Spaces (516KB PDF)
Start off on the Right Foot With THERMAXâ„¢ Sheathing and THERMAXâ„¢ White Finish Insulation (276KB PDF)
Installation Procedures for THERMAXâ„¢ Sheathing: Closed Crawl Space (124KB PDF)
Installation Instructions
Crawlspaces – Installing STYROFOAM Square Edge, STYROFOAM SCOREBOARD™ or STYROFOAM Tongue & Groove Insulation
 (1) Consult the label and Material Safety Data Sheet carefully before use.

Canada

Project Specifications Recommended Dow Solutions  

Heated crawl space or floor above an unheated crawl space
  • 2' x 8' (600 mm x 2400 mm) boards
  • 1/2"-1-1/2" (13 mm-38 mm) thicknesses
  • Butt edge and shiplap edge options
  • 16 psi (110 kPa)
 STYROFOAMâ„¢ Brand CLADMATEâ„¢ Insulation
  • Convenient larger 4' x 9' (1200 mm x 2700 mm) boards
  • 1"-2" (25 mm-50 mm) thicknesses
  • Shiplap edge
  • 16 psi (110 kPa)
 STYROFOAM™ Brand CLADMATE™ XL Insulation
  • 2' x 8' (600 mm x 2400 mm) boards
  • 1"-4" thicknesses
  • Butt edge and shiplap edge options
  • 30 psi (210 kPa)
 STYROFOAM™ Brand SM Insulation
  • Slotted board edges accommodate nailing strip for ease of attachment
  • 2' x 8' (600 mm x 2400 mm) boards
  • 1.5"-2.4" (38 mm-60 mm) thicknesses
  • 16 psi (110 kPa)
 STYROFOAMâ„¢ Brand WALLMATEâ„¢ Insulation

Enhanced Installation
 
Installation Instructions
Installing STYROFOAM SM, STYROFOAM CLADMATE/CLADMATE XL in Heated Crawlspaces
Installing STYROFOAM WALLMATE Slotted Insulation Heated Crawlspaces
 (1) Consult the label and Material Safety Data Sheet carefully before use. 

 

Dow can help you get to the bottom of your foundation insulation questions.

Dow Building Solutions : North America