Solid floor in contact with the ground

- Floor finish

- Floor finish

Fig. 4.8 Solid floor in contact with the ground.

Fig. 4.8 Solid floor in contact with the ground.

Table 4.11 Thickness of insulation for solid floors in contact with the ground.

Thermal conductivity of the insulation material, W/mK Design P/A -

U-value ratio 0.020 0.025 0.030 0.035 0.040 0.045 0.050

W/m2K m/m2 Base (minimum) thickness of insulation layer, mm

0.020

1.00

81

101

121

142

162

182

202

0.90

80

100

120

140

160

180

200

0.80

78

98

118

137

157

177

196

0.70

77

96

115

134

153

173

192

0.60

74

93

112

130

149

167

186

0.50

71

89

107

125

143

160

178

0.40

67

84

100

117

134

150

167

0.30

60

74

89

104

119

134

149

0.20

46

57

69

80

92

103

115

0.25

1.00

61

76

91

107

122

137

152

0.90

60

75

90

105

120

135

150

0.80

58

73

88

102

117

132

146

0.70

57

71

85

99

113

128

142

0.60

54

68

82

95

109

122

136

0.50

51

64

77

90

103

115

128

0.40

47

59

70

82

94

105

117

0.30

40

49

59

69

79

89

9

0.20

26

32

39

45

52

58

65

0.30

1.00

48

60

71

83

95

107

119

0.90

47

58

70

81

93

105

116

0.80

45

56

68

79

90

102

113

0.70

43

54

65

76

87

98

108

0.60

41

51

62

72

82

92

103

0.50

38

47

57

66

76

85

95

0.40

33

42

50

59

67

75

84

0.30

26

33

39

46

53

59

66

0.20

13

16

19

22

25

28

32

4.2.3.2 Suspended timber ground floor

Fig. 4.9 Suspended timber ground floor.

Table 4.12 Thickness of insulation for suspended timber ground floors.

Thermal conductivity of the insulation material, W/mK Design P/A _

U-value ratio 0.020 0.025 0.030 0.035 0.040 0.045 0.050

W/m2K m/m2 Base (minimum) thickness of insulation layer, mm

Thermal conductivity of the insulation material, W/mK Design P/A _

U-value ratio 0.020 0.025 0.030 0.035 0.040 0.045 0.050

W/m2K m/m2 Base (minimum) thickness of insulation layer, mm

0.020

1.00

127

145

164

182

200

218

236

0.90

125

144

162

180

198

216

234

0.80

123

142

160

178

195

213

230

0.70

121

139

157

175

192

209

226

0.60

118

136

153

171

188

204

221

0.50

114

131

148

165

181

198

214

0.40

109

125

141

157

173

188

204

0.30

99

115

129

144

159

173

187

0.20

82

95

107

120

132

144

156

0.25

1.00

93

107

121

135

149

162

176

0.90

92

106

119

133

146

160

173

0.80

90

104

117

131

144

157

170

0.70

88

101

114

127

140

153

166

0.60

85

98

111

123

136

148

161

0.50

81

93

106

118

130

142

154

0.40

75

87

99

110

121

132

143

0.30

66

77

87

97

107

117

127

0.20

49

57

65

73

81

88

96

0.30

1.00

71

82

93

104

114

125

135

0.90

70

80

91

102

112

122

133

0.80

68

78

89

9

109

119

129

0.70

66

76

86

96

106

116

126

0.60

63

73

82

92

102

111

120

0.50

59

68

78

87

96

104

113

0.40

53

62

70

79

87

95

103

0.30

45

52

59

66

73

80

87

0.20

28

33

38

42

47

51

56

4.2.3.3 Suspended concrete ground floor

Fig. 4.10 Suspended concrete ground floor.

Table 4.13 Thickness of insulation for suspended concrete beam and block ground floors.

Thermal conductivity of the insulation material, W/mK Design P/A -

U-value ratio 0.020 0.025 0.030 0.035 0.040 0.045 0.050

W/m2K m/m2 Base (minimum) thickness of insulation layer, mm

0.20

1.00

82

103

123

144

164

185

205

0.90

81

101

122

142

162

183

203

0.80

80

100

120

140

160

180

200

0.70

79

99

118

138

158

177

197

0.60

77

96

116

135

154

173

193

0.50

75

93

112

131

150

168

187

0.40

71

89

107

125

143

161

178

0.30

66

82

99

115

132

148

165

0.20

56

69

83

97

111

125

139

0.25

1.00

62

78

93

109

124

140

155

0.90

61

76

92

107

122

138

153

0.80

60

75

90

105

120

135

150

0.70

59

74

88

103

118

132

147

0.60

57

71

86

100

114

128

143

0.50

55

68

82

96

110

123

137

0.40

51

64

77

90

103

116

128

0.30

46

57

69

80

92

103

115

0.20

36

45

54

62

71

80

89

0.30

1.00

49

61

73

85

97

110

122

0.90

48

60

72

84

96

108

120

0.80

47

59

70

82

94

105

117

0.70

45

57

68

80

91

102

114

0.60

44

55

66

77

88

98

109

0.50

41

52

62

72

83

93

104

0.40

38

48

57

67

76

86

95

0.30

33

41

49

57

65

73

81

0.20

22

28

33

39

44

50

56

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