Concrete Slab Insulation Test Results

Without any Interior Heat

With Radiant Floor Heat on

6-15

6-19 11 am

6-20 9 am

6-20 3 pm

8-1 10 am

10-13 Noon

11-29 Noon

12-5 Noon

12-6 Noon

1-8-07 9 am

3-21-07 11:30am

4-5-07 8:45 pm

4-6-07 9:45 am

Outside Air

80°

70°

57°

72°

72° *

43°

29°

20°

26°

23°

44°

20°

20°

Outside Air

Air at Floor

64°

69°

65°

64°

75°

42°

62°

55°

62°

54°

66°

62°

62°

Air at Floor

Air at 5′ (thermostat)

65°

57.7°

65.4°

62.2°

61°

Air at 5′ (thermostat)

Thermostat setting

61°

61°

Thermostat setting

Air at 2nd flr

64°

54°

64°

59°

59°

Air at 2nd flr

Boiler Supply

145°

135°

70°

70°

70°

Boiler Supply

Boiler Return

80°

66°

68°

70°

70°

Boiler Return

Middle of Slab

66°

63°

63°

Middle of Slab

3/8″ EPS Foam

61.38°

63.43°

63.01°

62.49°

70.16°

51.9°

66.9°

71°

74.3°

73.3°

70.8°

68.9°

69.5°

3/8″ EPS foam

Bubble-wrap

60.82°

62.92°

62.45°

61.98°

69.73°

51.6°

63.1°

65.3°

69.3°

69.4°

68.6°

66.5°

66.8°

Bubble-wrap

1″ Foam

58.53°

59.77°

59.66°

59.49°

64.93°

54.4°

56.8°

62°

63.7°

67.5°

67.4°

64.6°

64.9°

1″ Foam

2″ Foam

56.91°

57.89°

57.85°

57.72°

62.87°

55.5°

55.6°

60.2°

61.3°

65.4°

65.1°

62.6°

62.8°

2″ Foam

4″ Foam

56.03°

56.77°

56.86°

56.86°

61.63°

56.5°

52.8°

56.5°

57.3°

61.9°

62.1°

59.9°

60°

4″ Foam

Ground @ 36″ below slab

– °

53.38°

53.47°

53.47°

57.55°

56.6°

51.1°

52.9°

53.2°

57.6°

58.3°

57.2°

57.1°

Ground @ 36″ below slab

Ground @ 84″ below slab

50.14°

50.36°

50.44°

50.45°

53.34°

55.4°

52.6°

52.2°

52.3°

54.2°

54.9°

54.6°

54.5°

Ground @ 84″ below slab