Dow Building Solutions is a leader in delivering insulation, air sealing and weatherization technologies that help improve the energy efficiency and sustainability of residential and commercial buildings around the globe. For more than 60 years, Dow has leveraged the power of chemistry to create solutions that help building owners maximize energy efficiency, improve comfort and durability, and save money.

DOW serves the residential global building and construction markets with industry-leading insulation, air sealing and weatherization construction materials. Our integrated systems work together to decrease a home’s energy bills, reduce air infiltration, improve indoor air quality and comfort, manage moisture and meet increasing energy codes.


STYROFOAMResidingBoard 150

Dow Building Solutions Products STYROFOAM™

Brand Residing Board (U.S. Only). An extruded polystyrene foam board with square edges.
Used for residential residing applications.
Product Advantages: When installed over old siding, it provides a solid, level surface for new siding materials. Helps enhance energy efficiency and reduce condensation


Dow Building Solutions Products STYROFOAM™ Brand PERIMATE™ Insulation

A Type IV extruded polystyrene foam insulation with patented dovetail grooves on one face.
• Used for commercial and residential applications
• Used on exterior foundation walls to assist water drainage away from the foundation
• Suitable for use in pervious, semi-pervious and practically impervious soils
• Product Advantages
• Moisture resistance
• Durable and lightweight
• Patented dovetail grooves on one face
• Shiplap edges on the long edges
• Protects the waterproofing membrane
• Grooves face the soil to channel water down to the footing drains or weeping tiles
• Qualifies as a Class A, Type 2 drainage product in Canada


Dow Building Solutions Products STYROFOAM™ Brand WALLMATE™ Insulation

A Type X extruded polystyrene foam insulation for easy home installation.
Used for residential applications and to insulate interior basement walls and other areas of the home
Product Advantages:
• Quick and easy to install
• Durable
• When butted together, slotted "rabbet" edges on long edges form a slot between the insulation boards to accommodate a wood nailing strip (used to attach the boards to the basement wall or ceiling rafters)
• Wood strip also provides a nail base for drywall
• Slotted edge (U.S.) and slotted and butt edge (Canada) treatments available


frothpak family 150

FROTH-PAK™ foams are a two-component, low-pressure polyurethane foams that quickly expands to fill cavities, penetrations and cracks greater than two inches. Because of its easy-to-use and portable format and the fact that it is sprayed directly into the areas that contribute to heat loss, FROTH-PAK™ Foams provide one of the easiest and most effective ways to air seal new and existing buildings.

Offered in a straw format for DIYers and in a professional-grade with gun or reusable straw applicators, GREAT STUFF™ and GREAT STUFF PRO™ Insulating Foam Sealant is ideal for sealing gaps and cracks. It is designed to quickly expand to form an airtight and water-resistant seal, adhering to wood, metal, masonry, glass and most plastics. GREAT STUFF™ and GREAT STUFF PRO™ Window & Door Insulating Foam Sealant is exclusively formulated to air seal the gap between a window or door frame and its rough opening.


GREAT STUFF PRO™ Window & Door Insulating Foam Sealant

A one-component, minimal expanding, low pressure-build, flexible polyurethane foam designed to insulate and seal window or door framing. Building Code Compliance ICC-ES Legacy NER-645. Conforms to AAMA 812-04 pressure-build @ 0.08 psi, ABAA standards for air leakage per ASTM 283, ASTM E331, ASTM E547, ASTM C1620. UL Classified as a sealant. See CCMC 13074-R.
Used In
• Insulates and air seals the gap between a window or door frame and its rough opening
Product Advantages
• Only expands enough to generate an effective seal
• When properly applied, proven to not distort or bow window and door frames
• Forms durable, airtight, water-resistant bond to vinyl, wood and metal surfaces
• Expands to take the shape of cracks and voids
• Helps stop drafts
• Reduces pathways where insects can enter
• Can use with PRO Series foam dispensing guns