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How to Estimate Ceiling Tile/Grid

ESTIMATING GUIDE FOR SUSPENDED ACOUSTICAL CEILINGS

When Estimating an Acoustical Ceiling using the Square Footage only -- Use this handy formula:

USG Donn Grid

1 Box of Main Tees
2 Boxes of 4' Cross Tees
2 Boxes of 2' Cross Tees (If estimating a 2' x 2' ceiling)
1 Box of Wall Angle (480 Lin Feet P/Ctn)
The Above Listed Quantities Is Equal To = 1,000 Square Feet

Formula Break Down for Exact Pieces:

*This works with all brands*
Main Tees = Square Feet (Divided By) 12 (Divided By) 4 = _______ [Number of Pieces Needed]
Cross Tees = Square Feet (Divided By) 4 (Divided By) 2 = _______ [Number of Pieces Needed]
Notes:
#1. When estimating a 2' x 2' ceiling -- use the same amount of 2' Cross Tees as the amount of 4' Cross Tees.
#2. On Average, You should figure on using 1 Carton of Wall Angle for every 1,800 Square Feet of ceiling area.

When Estimating an Acoustical Ceiling using the Individual Room Sizes -- Use this handy formula:

2' X 4' PANELS

*SIDE A*

ROOM SIZE

8'

10'

12'

14'

16'

18'

20'

22'

24'

26'

28'

30'

32'

34'

36'

38'

40'

42'

44'

46'

48'

50'

  8'     S

8

10

12

14

16

18

20

22

24

26

28

30

32

34

36

38

40

42

44

46

48

50

12'     I

12

15

18

21

24

27

30

33

36

39

42

45

48

51

54

57

60

63

66

69

72

75

16'     D

16

20

24

28

32

36

40

44

48

52

56

60

64

68

72

76

80

84

88

92

96

100

20'     E

20

25

30

35

40

45

50

55

60

65

70

75

80

85

90

95

100

105

110

115

120

125

24'     .

24

30

36

42

48

54

60

66

72

78

84

90

96

102

108

114

120

126

132

138

144

150

28'     B

28

35

42

49

56

63

70

77

84

91

98

105

112

119

126

133

140

147

154

161

168

175

32'     .

32

40

48

56

64

72

80

88

96

104

112

120

128

136

144

152

160

168

176

184

192

200

36'     .

36

45

54

63

72

81

90

99

108

117

126

135

144

153

162

171

180

189

198

207

216

225

40'     .

40

50

60

70

80

90

100

110

120

130

140

150

160

170

180

190

200

210

220

230

240

250

12' MAIN RUNNERS

                    *SIDE A*

ROOM SIZE

8'

10'

12'

14'

16'

18'

20'

22'

24'

26'

28'

30'

32'

34'

36'

38'

40'

42'

44'

46'

48'

50'

  8'     S

1

2

2

2

2

2

2

2

2

3

3

3

3

3

3

4

4

4

4

4

4

5

12'     I

2

2

2

3

3

3

4

4

4

5

5

5

6

6

6

7

7

7

8

8

8

9

16'     D

2

3

3

4

4

5

5

6

6

7

7

8

8

9

9

10

10

11

11

12

12

12

20'     E

3

4

4

5

6

6

7

8

8

9

10

10

11

12

12

13

14

14

15

16

16

17

24'     .

4

5

5

6

7

8

9

10

10

11

12

13

14

15

15

16

17

18

19

20

20

21

28'     B

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

32'     .

5

6

7

9

10

11

12

13

14

16

17

18

19

20

21

23

24

25

26

27

28

30

36'     .

6

7

8

10

11

12

14

15

16

18

19

20

22

23

24

26

27

28

30

31

32

34

40'     .

6

8

9

11

12

14

15

17

18

20

21

23

24

26

27

29

30

32

33

35

36

38

4' CROSS TEES

                    *SIDE A*

ROOM SIZE

8'

10'

12'

14'

16'

18'

20'

22'

24'

26'

28'

30'

32'

34'

36'

38'

40'

42'

44'

46'

48'

50'

  8'     S

8

10

12

12

14

16

18

20

22

24

26

28

30

32

34

36

38

40

42

44

46

48

12'     I

12

15

16

16

21

24

27

30

33

36

39

42

45

48

51

54

57

60

63

66

69

72

16'     D

12

16

20

24

28

32

36

40

44

48

52

56

60

64

68

72

76

81

85

89

93

97

20'     E

15

20

25

30

35

40

45

50

55

60

65

70

75

80

85

91

96

101

106

111

116

121

24'     .

18

24

30

36

42

48

54

60

66

72

78

84

90

96

103

109

115

121

127

133

139

146

28'     B

21

28

35

42

49

56

63

70

77

84

91

98

105

113

120

127

134

141

148

156

163

170

32'     .

24

32

40

48

56

64

72

80

88

96

104

112

120

129

137

145

153

162

170

178

186

194

36'     .

27

36

45

54

63

72

81

90

99

108

117

126

136

145

154

163

173

182

191

200

210

219

40'     .

30

40

50

60

70

80

90

100

110

120

130

140

151

161

171

181

192

202

212

223

233

243

12' WALL ANGLE

                    *SIDE A*

ROOM SIZE

8'

10'

12'

14'

16'

18'

20'

22'

24'

26'

28'

30'

32'

34'

36'

38'

40'

42'

44'

46'

48'

50'

  8'     S

4

4

4

5

5

6

6

6

7

7

8

8

8

9

9

10

10

10

11

11

12

12

12'     I

4

5

5

6

6

6

7

7

8

8

8

9

9

10

10

10

11

11

12

12

12

13

16'     D

5

6

6

6

7

7

8

8

8

9

9

10

10

10

11

11

12

12

12

13

13

14

20'     E

6

6

7

7

8

8

8

9

9

10

10

10

11

11

12

12

12

13

13

14

14

14

24'     .

7

7

8

8

9

9

9

10

10

11

11

11

12

12

13

13

13

14

14

15

15

15

28'     B

8

8

8

9

10

9

10

11

10

12

11

12

13

12

14

13

14

15

14

16

15

16

32'     .

8

9

9

10

11

10

10

12

11

13

12

12

14

13

15

14

14

16

15

17

16

16

36'     .

9

10

10

10

12

11

11

13

11

14

13

13

15

13

16

15

15

17

15

18

17

17

40'     .

10

11

11

11

13

11

12

14

12

15

13

14

16

14

17

15

16

18

16

19

17

18

NOTE: When estimating a ceiling using 2' x 2' panels, add one 2' tee for every 2' x 4' panel.

*SIDE A* = Room dimension perpendicular to joist direction.
*SIDE B* = Room dimension parallel to joist direction.

*This Chart Show The Absolute Minimum Amount Of Grid Needed To Cover The Room Size Listed -- Refer To Your Lighting Plan For Additional Tees*


Ace Supply, Inc.
Hours Monday-Friday 7:00am-4:00pm
520 George Todd Dr.
Montgomery, AL 36117

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