Product Information

When you build, be sure to include protection against air infiltration and water penetration. Dow has you covered with WEATHERMATE™ Weather Barrier Solutions. STYROFOAM™ extruded polystyrene and polyisocyanurate insulations, housewraps, flashings, sill pan and tape from Dow work together on the outside to enhance the comfort on the inside.

Build with WEATHERMATE Weather Barrier Solutions for better coverage where it really matters.

Choose the WEATHERMATE Weather Barrier Solutions and complementing insulation and sealant products that are right for your application.

WEATHERMATE™ and  WEATHERMATE Plus housewraps	Polyolefin-based housewraps wrap up quality and value Continuous, protective membrane Qualify as WRB(1) Available in various sizes
WEATHERMATE Sill Pan	Molded polymer conforms to window openings, providing seamless protection at sill corners and assisting positive drainage of water to the exterior Durable construction; will not rust or rot Two-piece design adjusts to fit most window sill widths 5" h x 3-3/4" d x 32" w; 3/8" h backdam
WEATHERMATE Straight Flashing	Straight flashing provides seamless protection at jambs and straight heads Butyl rubber provides superior adhesion performance Can be applied in a wide range of weather conditions, including temperatures as low as 30°F Straight Flashing sizes: 4" x 100', 6" x 100', 9" x 100'
WEATHERMATE™ Flexible Flashing	Flexible flashing provides seamless protection around curved openings and custom shapes Butyl rubber provides superior adhesion performance Can be applied in a wide range of weather conditions, including temperatures as low as 30°F Flexible Flashing size: 6" x 75'
WEATHERMATE Construction Tape	Superior tack Reduces air leakage at joints, seams and other penetrations Designed for cold- and warm-temperature application Convenient widths of 1-7/8" and 2-7/8"
GREAT STUFF PRO™ Window & Door Insulating Foam Sealant	Minimal-expanding, pliable formulation that won’t deform window and door frames 20 oz. cans
DOW™ Window & Door 1000 Sealant	Forms a weather-tight seal Quick cure, protecting against rain wash-off 10.1 oz (300 ml) plastic cartridge Moisture and mildew resistance Non-yellowing formula
STYROFOAM™ extruded  polystyrene and polyisocyanurate insulations	R-5 to R-6.5 at 1" Thicknesses available from 1/2" to 1" Solid protection against moisture and air infiltration