Dow THERMAX User Manual download pdf

THERMAX

™

White Finish Insulation

Owners of agricultural buildings that house

animals, produce or equipment know that

controlling the indoor temperature and

humidity is a smart way to protect their

investment. Easy-to-install THERMAX

™

White

Finish Insulation oers thermal and moisture

protection that can be used as an exposed

interior ﬁnish and insulation on walls and

roofs. THERMAX

™

White Finish boards

consist of a core of glass ﬁber-reinforced

polyisocyanurate foam. The front has a

durable nominal 1.25 mil embossed white

acryliccoated aluminum facer that can be

pressure-washed, while the back side is faced

with 1.25 mil smooth aluminum.

There are three methods that can be used to

install THERMAX

™

White Finish Insulation.

Each system is outlined here.

GENERAL INFORMATION

• THERMAX

™

White Finish Insulation must be

kept dry at all times. Protect it from moisture

both in storage and during installation.

• Withitstough,embossedwhiteacrylic-

coated surface, THERMAX

™

White Finish

Insulation can be pressurewashed at 800

psi (3’ distance) using 15 degree spray tip.

• InstallTHERMAX

™

White Finish Insulation

with the white acryliccoated side exposed.

• THERMAX

™

White Finish board joints

must be sealed with THERMAX

™

White

Foil Tape. Before applying tape, wipe the

application area with a damp cloth to

remove foam dust. Allow surface to air dry.

• Useasqueegeeorsoftpaintroller

to press the tape ﬁrmly to the joint.

Cut tape with a knife or scissors. Do

not tear tape. Taping serves as a

protection against moisture penetration

and gives the exterior of the boards a

continuous surface.

•End-jointgapsgreaterthan1/8”should

be ﬁlled with spray foam such as GREAT

STUFFPRO

™

Gaps & Cracks Insulating

Foam Sealant or equivalent to keep a

continuous air inﬁltration barrier and to

help ensure maximum thermal eciency

across the board joints. To increase the

moisture eectiveness of the board joints,

apply THERMAX

™

White Foil Tape over the

sprayed board joints.

• TherearetwowaystocutTHERMAX

™

White Finish Insulation boards. One way

is to use a straight edge and a utility knife,

making sure to cut all the way through

the facing. Or, THERMAX

™

White Finish

boards may be cut with a small handsaw.

SECUREMENT

Installaminimum1”THERMAX

™

White

Finish Insulation board perpendicular to

framing, spanning at least three framing

members. Penetrate separate wood and

metalframing1”withacorrosionresistant

fastenerandpolywasher,suchasQUIKCap.

When fastening to metal, Buildex Multi-

Diameter Insulation Teks or equivalent (with

minimum1-1/4”polywashers)areadvised.

INSTALLATION

Good System

Leave square edge joints untreated. Tape the

back side of the joint with THERMAX

™

White

Foil Tape (Figure 1).

FIGURE 1

Materials Checklist

• Utilityknifeorsmallhandsaw

• Straightedge

• Measuringtape

• Pencil

• Construction-gradesealant

• THERMAX

™

WhiteFoilTape

• Squeegeeorsoftpaintroller

• Hammer,pneumaticfasteneror

screwdriver

• PVCClipStrips

• Fastenersandpolywashers

(suchasQUIKCapWasher-Plastic

RoundorBuildexMulti-Diameter

InsulationTeks)

• Polyisocyanurate-compatible

polyurethanespraysealant,suchas

GREATSTUFFPRO

™

Gaps&Cracks

InsulatingFoamSealant*

• Safetyglasses

INSTALL GUIDE | United States | RESIDENTIAL

1 2

CDP 45115 2

Summary of Contents

Page 1

THERMAX™ White Finish InsulationOwners of agricultural buildings that house animals, produce or equipment know that controlling the indoor temperature

Page 2 - CDP 45115

In the U.S.The Dow Chemical CompanyDow Building Solutions200 Larkin Center, 1605 Joseph DriveMidland, MI 48674Technical Information1866583BLUE (258

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