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Standard 20.01
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Three Quarter 20.02
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Half 20.03
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Quarter 20.04
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Standard Metal Frame 20.05
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3/4 Metal Frame 20.06
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Half Metal Frame 20.07
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Control Joint 20.09
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Control Joint Half 20.10
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Trough Beam 20.12
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Half Lintel 20.13
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Lintel Sash 20.14
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Half Lintel Metal Frame 20.15
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Lintel 20.18
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Knockout Bond Beam 20.20
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Corner Knockout Bond Beam 20.21
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7/8 Closure 20.22
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3/4 Lintel 20.25
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3/4 Lintel Sash 20.26
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Solid 20.31
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140 High Block 20.140
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Half Height Flush Sill 20.37FS
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Channel 20.42
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E Block 20.45
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H Block 20.48
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Bonded Plaster Half 20.60
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Bonded Plaster Half and Clean-out 20.61
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Single Core 20.925
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45 per cent Squaint 20.739
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Clean Out Biscuit 50.45
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Half Height Standard 20.71
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Half Height Three Quarter 20.72
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Half Height Half 20.73
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Half Height Quarter 20.74
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Half Height C Block 20.81C
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