Technical features

Tek 28 - technical features

Alubel 28 metal sheet profile, insulated with 10 mm thick high density expanded polyurethane

Tek 28 transversal section

Technical features of Alubel Tek 28 system

  • Height: 28 mm
  • Width: 893 mm
  • Polyurethane type PUR or PIR high density: 60 kg/m3
  • Insulation thickness: 10 mm
  • Material: prepainted steel, prepainted aluminium, copper
  • Weight (prepainted steel) 0,5 mm: 5,50 kg/m2
  • Weight (prepainted aluminium) 0,6 mm: 2,70 kg/m2
  • Weight (copper): 7,30 kg/m2
  • Optional: alu foil

Permitted load

Aluminium: permitted load [kg/m2] on 4 supports*
i [m] 1,0 1,2 1,4 1,6 1,8
s [mm] σadm ƒadm σadm ƒadm σadm ƒadm σadm ƒadm σadm ƒadm
0,6 452 414 314 240 231 151 177 101 139 71
0,7 527 483 366 280 269 176 206 118 163 83
0,8 603 553 419 320 308 201 235 135 186 95
1,0 754 691 523 400 385 252 294 169 233 118

* it is calculated in the dual hypothesis of σadm = 6,5 kN/cm2 and ƒadm = i/200

Steel: permitted load [kg/m2] on 4 supports*
i [m] 1,0 1,5 2,0 2,5 3,0
s [mm] σadm ƒadm σadm ƒadm σadm ƒadm σadm ƒadm σadm ƒadm
0,5 501 1032 223 306 126 129 80 66 56 38
0,6 678 1239 301 367 169 155 108 79 75 46
0,7 878 1446 390 428 219 181 140 93 98 54
0,8 1103 1653 490 490 276 207 177 106 123 61
1,0 1567 2067 696 612 392 258 251 132 174 76

* it is calculated in the dual hypothesis of σadm = 1400 kg/cm2 and ƒadm = i/200

Copper: permitted load [kg/m2] on 4 supports*
i [m] 1,0 1,2 1,4 1,6 1,8
s [mm] σadm ƒadm σadm ƒadm σadm ƒadm σadm ƒadm σadm ƒadm
0,5 358 590 248 341 183 215 140 144 111 101
0,6 484 708 336 410 247 258 189 173 149 121
0,7 627 826 435 478 320 301 245 202 194 142
0,8 788 944 547 547 402 344 308 230 244 162

* it is calculated in the dual hypothesis of σadm = 1000 kg/cm2 and ƒadm = i/200


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