Dow THERMAX™ OR STYROFOAM™ Manuel d'utilisateur télécharger pdf

The closed crawl space is gaining popularity

for its effectiveness in reducing energy loss

and minimizing the potential for moisture

problems. Dow offers the following guidelines

for constructing a closed crawl space with an

insulation system that includes THERMAX™ or

STYROFOAM™ brand rigid insulation on interior

crawl space walls, a continuous poly vapor barrier

to prevent evaporation of ground moisture into

the crawl space, and a means to condition the

crawl space to keep the relative humidity below

70 percent to mitigate mold and mildew growth.

(See Figure 1.)

A b o u t T H E R M A X ™

R i g i d I n s u l a t i o n

THERMAX™ rigid insulation boards have a glass-

fiber-reinforced polyisocyanurate foam core,

with special laminated aluminum facers that

enhance moisture and damage resistance. This

reinforcement is chemically modified to provide

improved fire performance. THERMAX rigid

insulation boards can be left exposed in crawl

spaces per National Evaluation Services report

NER-681. THERMAX rigid insulation boards are

also Factory Mutual approved as a “Wall-Ceiling

Construction, FM Approvals Standard FM 4880,

Metal-Faced – Class 1 Fire Rated to a max, 30

ft. high.” Consult the local building codes in your

area before starting construction.

A b o u t S T Y R O F O A M ™ B r a n d

R i g i d I n s u l a t i o n

STYROFOAM™ brand rigid insulation boards are

made from extruded polystyrene foam insulation

and have exceptional water resistance, long-

term thermal performance and high compressive

strength. ASTM C578 Type X and ASTM

C578 Type IV STYROFOAM Brand Extruded

Polystyrene Foam Insulation boards, with a

maximum nominal thickness of 2 inches (51mm),

may be installed on surfaces (wall, ceiling) of a

crawl space with no coverings (no thermal or

ignition barrier) applied to the crawl space side of

the foam plastic insulation per International Code

Council Evaluation Service (ICC-ES) Evaluation

Report ESR-2142.

Figure 1

Closed Crawl Space

Please note that closed crawl spaces may include

components not shown, such as other ventilation

options, floor drains, radon mitigation, etc.

UNITED STATES . INSTALLATION INFORMATION . RESIDENTIAL

I N S TA L L AT I O N PRO C E D U R E S FO R

T H E R M A X ™ O R S T Y R O F O A M ™

B R A N D R I G I D I N S U L AT I O N

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Résumé du contenu

Page 1 - Closed Crawl Space

The closed crawl space is gaining popularity for its effectiveness in reducing energy loss and minimizing the potential for moisture problems. Dow off

Page 2 - Before You Begin

Cutting The Boards THERMAX™ or STYROFOAM™ brand rigid insulation boards may be cut with a straight edge and utility knife or with a small handsaw. (S

Page 3

b. Option 2: Use STYROFOAM™ brand rigid insulation boards up to 2 inches in thickness, cut to fit between the floor joists, and seal the edges of the

Page 4 - S A F E T Y A N D

www.insulateyourhome.comFOR TECHNICAL INFORMATION: 1-866-583-BLUE (2583)FOR SALES INFORMATION: 1-800-232-2436THE DOW CHEMICAL COMPANYDow Building Solu

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Dow THERMAX™ OR STYROFOAM™ Manuel d'utilisateur

Naviguer en ligne ou télécharger Manuel d'utilisateur pour Pour la maison Dow THERMAX™ OR STYROFOAM™. Dow THERMAX™ OR STYROFOAM™ User Manual Manuel d'utilisatio

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