North America – Sloped Roof Insulation

STYROFOAM™ Brand DECKMATE™ Insulation - Plus provides excellent moisture resistance and high R-value.

Stand Up for Standing Seam

The versatility, long-term durability and low maintenance of standing seam metal roofs have made them a highly popular choice in many new, retrofit and re-roof applications.

U.S.

Project Specifications	Recommended Dow Solutions
High R-value (RSI) Excellent moisture resistance High compressive strength Durability Ease of use	STYROFOAM™ Brand DECKMATE™ Plus Insulation provides excellent moisture resistance and high R-value in a lightweight board
	Highest moisture-resistant foam plastic insulation on the market 25 psi for extra membrane support on roofs where rooftop equipment maintenance will be required Long-term R-value — even in moist/wet applications	STYROFOAM™ Brand DECKMATE™ Plus Insulation
	Use Class 1 rated THERMAX™ products with lighter gauge decking (26 gauge vs. 22 gauge) and in open frame designs, where the insulation boards may be left exposed to the interior.
	Nominal 4 mil Embossed white thermoset-coated aluminum facer on one side, 1.25 mil embossed aluminum facer on the other side Glass-fiber reinforced polyisocyanurate foam core for fire resistance Pressure-washable at 2000 psi	THERMAX™ Heavy Duty Insulation
	1.25 mil Embossed white thermoset-coated on one side, 1.25 mil embossed aluminum facer on the other side Glass-fiber reinforced polyisocyanurate foam core for improved fire performance Pressure-washable at 1000 psi	THERMAX™ Light Duty Insulation
	1.25 mil Embossed aluminum foil facers on both sides Glass-fiber- reinforced polyisocyanurate foam core for fire resistance Pressure-washable at 1000 psi	THERMAX™ Metal Building Board
	1 mil Radiant quality aluminum facers on both sides Glass-fiber- reinforced polyisocyanurate foam core for fire resistance	THERMAX™ Sheathing
	Enhanced Installation	Tape top side of STYROFOAM™ Brand DECKMATE™ Plus Insulation seams with WEATHERMATE™ Straight Flashing Tape THERMAX™ Insulation seams with THERMAX™ Aluminum or White foil tape.

Literature
Roof Insulation for Sloping Metal Roofs Guide Specification (27KB PDF)
STYROFOAM™ DECKMATE™ Plus Insulation Stands Up Under Standing Seam Metal Roofs (143KB PDF)
Tech Solutions 525.4 STYROFOAM™ Brand DECKMATE™ Plus Insulation for Standing Seam Metal Roofs (170KB PDF)
THERMAX™ Insulation: Standing Seam Metal Roofs Application Information (140KB PDF)
THERMAX™ Sheathing Product Information Sheet (830KB PDF)
WEATHERMATE™ Straight Flashing Product Information (Commercial)(69KB PDF)
WEATHERMATE™ Straight Flashing: Standing Seam Metal Roofs (248KB PDF)

Canada

Project Specifications	Recommended Dow Solutions
High R-value (RSI) Excellent moisture resistance High compressive strength Durability Ease of use	STYROFOAM™ Brand DECKMATE™ Plus Insulation provides excellent moisture resistance and high R-value in a lightweight board
	Min. compressive strength: 16 psi (110 kPa) R-value: 5.0 (0.87) Shiplapped all four edges Reusable	STYROFOAM™ Brand DECKMATE™ Plus Insulation
	Min. compressive strength: 20 psi (140 kPa) R-value: 5.0 at 1" (0.87 at 25 mm) Shiplapped all four edges	STYROFOAM™ Brand DECKMATE™ Plus Insulation
	Enhanced Installation	Tape top side of seams with WEATHERMATE™ Straight Flashing

Literature
STYROFOAM™ DECKMATE™ Plus Insulation Stands Up Under Standing Seam Metal Roofs (830KB PDF)
WEATHERMATE™ Straight Flashing Product Information (Commercial) (69KB PDF)
WEATHERMATE™ Straight Flashing: Standing Seam Metal Roofs (249KB PDF)