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Thermco® Specifications Sheet

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                           PHYSICAL PROPERTIES                              INSULATING VALUES FOR 8" BLOCK WALLS

 

PROPERTY

VALUE

TEST METHOD

 

Typical 8" Block Cores Empty Cores Filled With THERMCO® Foam Insulation Density of Block
1)  Thermal Conductivity

      1" Thickness at 75° F mean

                                    35° F mean

      3-1/2" Thickness at 75° F mean

 

 .224 (4.5 R)*

 .212 (4.7 R)

 .066 (15.3 R)

 

ASTM-C-177

      R               U

            R               U

lb./cu/ft.

       3.10                  .32

              14.29               .07                   60 lb.
       2.92                  .34               11.27               .09                        80 lb.
       2.60                  .38               9.10                 .11                  100 lb.
2)  Fire Safety

      Flame Spread

      Smoke Developed

 

   5

   50-100

 

ASTM-E-84-89a

       2.30                  .43               6.70                 .15                       120 lb.
3)  Density, lbs./ft.3    .70 ASTM-D-1622  
4)  Shrinkage- normal. present    1.86 HUD-MB-74        
5)  Fire Wall Rating    4 hrs. ASTM-E-119-88

(Equivalent to UL901 and UL905)

INSULATING VALUES FOR 12" BLOCK WALLS

Typical 12" Block Cores Empty Cores Filled With THERMCO® Foam Insulation Density of Block
6)  Corrosion

      Aluminum, Copper

      Steel, Galvanized Steel

 

   less than

   1g pitting

 

HUD-MB-74

      R               U

            R               U

lb./cu/ft.

      4.20                 .24              20.01                 .05

60 lb.

7)  Acoustic Properties  8" CMU Wall

   STC=52

12" CMU Wall

   STC=54

 

ASTM-E-90-97

      3.40                 .29              16.70                 .06

80 lb.

      2.90                 .34              12.50                 .08

100 lb.

      2.60                 .38              10.0                   .10

120 lb.

R values calculated using parallel heat flow

R values taken from National Concrete Masonry Association

 

 *  R means resistance to heat flow; the higher the R value, the

      greater the insulating power.

 Limitations:  This material is not intended for use with temperatures

                          exceeding 190° for prolonged periods of time.  The

                          foam will not support a compressive load and should

                          not be used for floatation, overhead applications or

                          underground as a vapor barrier.