Viga IPR
| D x B | Peso | Dimensiones | Espesor |
| Nominal | Kg/m | lb/pie | Pulg. | mm | Patin | Alma |
| W (6 x 4) | 12.6 | 8.5 | 5.83 | 3.94 | 148 | 100 | 0.194 | 4.9 | 0.17 | 4.3 |
| 13.4 | 9 | 5.9 | 3.94 | 150 | 100 | 0.215 | 5.5 | 0.17 | 4.3 |
| 17.8 | 12 | 6.03 | 4 | 153 | 102 | 0.28 | 7.1 | 0.23 | 5.8 |
| 23.8 | 16 | 6.28 | 4.03 | 160 | 102 | 0.405 | 10.3 | 0.26 | 6.6 |
| W (6 x 6) | 22.3 | 15 | 5.99 | 5.99 | 152 | 152 | 0.26 | 6.6 | 0.23 | 5.8 |
| 29.8 | 20 | 6.2 | 6.02 | 157 | 153 | 0.365 | 9.3 | 0.26 | 6.6 |
| 37.2 | 25 | 6.38 | 6.08 | 162 | 154 | 0.455 | 11.6 | 0.32 | 8.1 |
| W (8 x 4) | 14.9 | 10 | 7.89 | 3.94 | 200 | 100 | 0.205 | 5.2 | 0.17 | 4.3 |
| 19.3 | 13 | 7.99 | 4 | 203 | 102 | 0.255 | 6.5 | 0.23 | 5.8 |
| 22.3 | 15 | 8.11 | 4.015 | 206 | 102 | 0.315 | 8 | 0.245 | 6.2 |
| W (8 x 5-1/4) | 26.8 | 18 | 8.14 | 5.25 | 207 | 133 | 0.33 | 8.4 | 0.23 | 5.8 |
| 31.3 | 21 | 8.28 | 5.27 | 210 | 134 | 0.4 | 10.2 | 0.25 | 6.4 |
| W (8 x 6- 1/2) | 35.7 | 24 | 7.93 | 6.495 | 201 | 165 | 0.4 | 10.2 | 0.245 | 6.2 |
| 41.7 | 28 | 8.06 | 6.535 | 205 | 166 | 0.465 | 11.8 | 0.285 | 7.2 |
| W (8 x 8) | 46.1 | 31 | 8 | 7.995 | 203 | 203 | 0.435 | 11 | 0.285 | 7.2 |
| 52.1 | 35 | 8.12 | 8.02 | 206 | 204 | 0.495 | 12.6 | 0.31 | 7.9 |
| 86 | 58 | 8.75 | 8.22 | 222 | 209 | 0.81 | 20.6 | 0.51 | 13 |
| W (10 x 4) | 17.9 | 12 | 9.87 | 3.96 | 251 | 101 | 0.21 | 5.3 | 0.19 | 4.8 |
| 22.3 | 15 | 9.99 | 4 | 254 | 102 | 0.27 | 6.9 | 0.23 | 5.8 |
| 25.3 | 17 | 10.11 | 4.01 | 257 | 102 | 0.33 | 8.4 | 0.24 | 6.1 |
| 28.3 | 19 | 10.24 | 4.02 | 260 | 102 | 0.395 | 10 | 0.25 | 6.4 |
| W (10 x 5-3/4) | 32.7 | 22 | 10.17 | 5.75 | 258 | 146 | 0.36 | 9.1 | 0.24 | 6.1 |
| 38.7 | 26 | 10.33 | 5.77 | 262 | 147 | 0.44 | 11.2 | 0.26 | 6.6 |
| 44.6 | 30 | 10.47 | 5.81 | 266 | 148 | 0.51 | 13 | 0.3 | 7.6 |
| W (10 x 8) | 49.1 | 33 | 9.73 | 7.96 | 247 | 202 | 0.435 | 11 | 0.29 | 7.4 |
| 58 | 39 | 9.92 | 7.985 | 252 | 203 | 0.53 | 13.5 | 0.315 | 8 |
| 67 | 45 | 10.1 | 8.02 | 257 | 204 | 0.62 | 15.7 | 0.35 | 8.9 |
| W (10 x 10) | 72.9 | 49 | 9.98 | 10 | 253 | 254 | 0.56 | 14.2 | 0.34 | 8.6 |
| 80.4 | 54 | 10.09 | 10.03 | 256 | 255 | 0.615 | 15.6 | 0.37 | 9.4 |
| 89.3 | 60 | 10.22 | 10.08 | 260 | 256 | 0.68 | 17.3 | 0.42 | 10.7 |
| W (12x 4) | 20.8 | 14 | 11.91 | 3.97 | 303 | 101 | 0.225 | 5.7 | 0.2 | 5.1 |
| 23.8 | 16 | 11.99 | 3.99 | 305 | 101 | 0.265 | 6.7 | 0.22 | 5.6 |
| 28.3 | 19 | 12.16 | 4.005 | 309 | 102 | 0.35 | 8.9 | 0.235 | 6 |
| 32.7 | 22 | 12.31 | 4.03 | 313 | 102 | 0.425 | 10.8 | 0.26 | 6.6 |
| W (12 x 6- 1/2) | 38.7 | 26 | 12.22 | 6.49 | 310 | 165 | 0.38 | 9.7 | 0.23 | 5.8 |
| 44.6 | 30 | 12.34 | 6.52 | 313 | 166 | 0.44 | 11.2 | 0.26 | 6.6 |
| 52.1 | 35 | 12.5 | 6.56 | 317 | 167 | 0.52 | 13.2 | 0.3 | 7.6 |
| W (12 x 8) | 59.5 | 40 | 11.94 | 8.005 | 303 | 203 | 0.515 | 13.1 | 0.295 | 7.5 |
| 67 | 45 | 12.06 | 8.045 | 306 | 204 | 0.575 | 14.6 | 0.335 | 8.5 |
| 74.4 | 50 | 12.19 | 8.08 | 310 | 205 | 0.64 | 16.3 | 0.37 | 9.4 |
| W (12 x 10) | 78.9 | 53 | 12.06 | 9.995 | 306 | 254 | 0.575 | 14.6 | 0.345 | 8.8 |
| 86.3 | 58 | 12.19 | 10.01 | 310 | 254 | 0.64 | 16.3 | 0.36 | 9.1 |
| W (12 x 12) | 96.7 | 65 | 12.12 | 12 | 308 | 305 | 0.605 | 15.4 | 0.39 | 9.9 |
| 107 | 72 | 12.25 | 12.04 | 311 | 306 | 0.67 | 17 | 0.43 | 10.9 |
| 117.6 | 79 | 12.38 | 12.08 | 314 | 307 | 0.735 | 18.7 | 0.47 | 11.9 |
| W (14 x 5) | 32.7 | 22 | 13.74 | 5 | 349 | 127 | 0.335 | 8.5 | 0.23 | 5.8 |
| 38.7 | 26 | 13.91 | 5.025 | 353 | 128 | 0.42 | 10.7 | 0.255 | 6.5 |
| W (14 x 6-3/4) | 44.6 | 30 | 13.84 | 6.73 | 352 | 171 | 0.385 | 9.8 | 0.27 | 6.9 |
| 50.6 | 34 | 13.98 | 6.745 | 355 | 171 | 0.455 | 11.6 | 0.285 | 7.2 |
| 56.6 | 38 | 14.1 | 6.77 | 358 | 172 | 0.515 | 13.1 | 0.31 | 7.9 |
| W (14 x 8) | 64 | 43 | 13.66 | 7.995 | 347 | 203 | 0.53 | 13.5 | 0.305 | 7.7 |
| 71.4 | 48 | 13.79 | 8.03 | 350 | 204 | 0.595 | 15.1 | 0.34 | 8.6 |
| 78.9 | 53 | 13.92 | 8.06 | 354 | 205 | 0.66 | 16.8 | 0.37 | 9.4 |
| W (14 x 10) | 90.8 | 61 | 13.89 | 9.995 | 353 | 254 | 0.645 | 16.4 | 0.375 | 9.5 |
| 101.2 | 68 | 14.04 | 10.035 | 357 | 255 | 0.72 | 18.3 | 0.415 | 10.5 |
| 110.1 | 74 | 14.17 | 10.07 | 360 | 256 | 0.785 | 19.9 | 0.45 | 11.4 |
| W (14 x 14-1/2) | 133.9 | 90 | 14.02 | 14.52 | 356 | 369 | 0.71 | 18 | 0.44 | 11.2 |
| 147.3 | 99 | 14.16 | 14.565 | 360 | 370 | 0.78 | 19.8 | 0.485 | 12.3 |
| 162.2 | 109 | 14.32 | 14.605 | 364 | 371 | 0.86 | 21.8 | 0.525 | 13.3 |
| 178.6 | 120 | 14.48 | 14.67 | 368 | 373 | 0.94 | 23.9 | 0.59 | 15 |
| 196.4 | 132 | 14.66 | 14.725 | 372 | 374 | 1.03 | 26.2 | 0.645 | 16.4 |
| W (14 x 16) | 216 | 145 | 14.78 | 15.5 | 375 | 394 | 1.09 | 27.7 | 0.68 | 17.3 |
| 237 | 159 | 14.98 | 15.565 | 380 | 395 | 1.19 | 30.2 | 0.745 | 18.9 |
| 382.9 | 257 | 16.38 | 15.995 | 416 | 406 | 1.89 | 48 | 1.175 | 29.8 |
| W (16 x 5-1/2) | 38.6 | 26 | 15.69 | 5.5 | 399 | 140 | 0.345 | 8.8 | 0.25 | 6.4 |
| 46.1 | 31 | 15.88 | 5.525 | 403 | 140 | 0.44 | 11.2 | 0.275 | 7 |
| W (16 x 7) | 53.5 | 36 | 15.86 | 6.985 | 403 | 177 | 0.43 | 10.9 | 0.295 | 7.5 |
| 59.5 | 40 | 16.01 | 6.995 | 407 | 178 | 0.505 | 12.8 | 0.305 | 7.7 |
| 66.9 | 45 | 16.13 | 7.035 | 410 | 179 | 0.565 | 14.4 | 0.345 | 8.8 |
| 74.4 | 50 | 16.26 | 7.07 | 413 | 180 | 0.63 | 16 | 0.38 | 9.7 |
| 84.9 | 57 | 16.43 | 7.12 | 417 | 181 | 0.715 | 18.2 | 0.43 | 10.9 |
| W (16 x 10-1/4) | 99.7 | 67 | 16.33 | 10.235 | 415 | 260 | 0.665 | 16.9 | 0.395 | 10 |
| 114 | 77 | 16.52 | 10.295 | 420 | 261 | 0.76 | 19.3 | 0.455 | 11.6 |
| 132 | 89 | 16.75 | 10.365 | 425 | 263 | 0.875 | 22.2 | 0.525 | 13.3 |
| W (18 x 6) | 52 | 67 | 16.33 | 10.235 | 415 | 260 | 0.665 | 16.9 | 0.395 | 10 |
| 59.5 | 77 | 16.52 | 10.295 | 420 | 261 | 0.76 | 19.3 | 0.455 | 11.6 |
| 132 | 89 | 16.75 | 10.365 | 425 | 263 | 0.875 | 22.2 | 0.525 | 13.3 |
| W (18 x 7-1/2) | 50 | 50 | 17.99 | 7.495 | 457 | 190 | 0.57 | 14.5 | 0.355 | 9 |
| 81.8 | 55 | 18.11 | 7.53 | 460 | 191 | 0.63 | 16 | 0.39 | 9.9 |
| 89.2 | 60 | 18.24 | 7.555 | 463 | 192 | 0.695 | 17.7 | 0.415 | 10.5 |
| 96.7 | 65 | 18.35 | 7.59 | 466 | 193 | 0.75 | 19 | 0.45 | 11.4 |
| W (18 x 11) | 105.6 | 71 | 18.47 | 7.635 | 469 | 194 | 0.81 | 20.6 | 0.495 | 12.6 |
| 113 | 76 | 18.21 | 11.035 | 463 | 280 | 0.68 | 17.3 | 0.425 | 10.8 |
| 127.9 | 86 | 18.39 | 11.09 | 467 | 282 | 0.77 | 19.6 | 0.48 | 12.2 |
| 144.3 | 97 | 18.59 | 11.145 | 472 | 283 | 0.87 | 22.1 | 0.535 | 13.6 |
| 157.7 | 106 | 18.73 | 11.2 | 476 | 284 | 0.94 | 23.9 | 0.59 | 15 |
| 177 | 119 | 18.97 | 11.265 | 482 | 286 | 1.06 | 26.9 | 0.655 | 16.6 |
| W (21 x 6-1/2) | 64.5 | 44 | 20.66 | 6.5 | 525 | 165 | 0.45 | 11.4 | 0.35 | 8.9 |
| 74.4 | 50 | 20.83 | 6.53 | 529 | 166 | 0.535 | 13.6 | 0.38 | 9.7 |
| 84.8 | 57 | 21.06 | 6.555 | 535 | 166 | 0.65 | 16.5 | 0.405 | 10.3 |
| W (21 x 8-1/4) | 92.2 | 62 | 20.99 | 8.24 | 533 | 209 | 0.615 | 15.6 | 0.4 | 10.2 |
| 101.1 | 68 | 21.13 | 8.27 | 537 | 210 | 0.685 | 17.4 | 0.43 | 10.9 |
| 138.3 | 93 | 21.62 | 8.42 | 549 | 214 | 0.93 | 23.6 | 0.58 | 14.7 |
| W (21 x 12-1/4) | 150.2 | 101 | 21.36 | 12.29 | 543 | 312 | 0.8 | 20.3 | 0.5 | 12.7 |
| 182 | 122 | 21.68 | 12.39 | 551 | 315 | 0.96 | 24.4 | 0.6 | 15.2 |
| W (24 x 7) | 81.8 | 55 | 23.57 | 7.005 | 599 | 178 | 0.505 | 12.8 | 0.395 | 10 |
| 92.2 | 62 | 23.74 | 7.04 | 603 | 179 | 0.59 | 15 | 0.43 | 10.9 |
| W (24 x 9) | 101.1 | 68 | 23.73 | 8.965 | 603 | 228 | 0.585 | 14.9 | 0.415 | 10.5 |
| 113 | 76 | 23.92 | 8.99 | 608 | 228 | 0.68 | 17.3 | 0.44 | 11.2 |
| 125 | 84 | 24.1 | 9.02 | 612 | 229 | 0.77 | 19.6 | 0.47 | 11.9 |
| 139.8 | 94 | 24.31 | 9.065 | 617 | 230 | 0.875 | 22.2 | 0.515 | 13.1 |
| 153.2 | 103 | 24.53 | 9 | 623 | 229 | 0.98 | 24.9 | 0.55 | 14 |
| W (24 x 12-3/4) | 154.7 | 104 | 24.06 | 12.75 | 611 | 324 | 0.75 | 19 | 0.5 | 12.7 |
| 174 | 117 | 24.26 | 12.8 | 616 | 325 | 0.85 | 21.6 | 0.55 | 14 |
| 194.9 | 131 | 24.48 | 12.855 | 622 | 327 | 0.96 | 24.4 | 0.605 | 15.4 |
| 217.2 | 146 | 24.74 | 12.9 | 628 | 328 | 1.09 | 27.7 | 0.65 | 16.5 |
| 241 | 162 | 25 | 12.955 | 635 | 329 | 1.22 | 31 | 0.705 | 17.1 |
| W (27 x 10) | 125 | 84 | 26.71 | 9.96 | 678 | 253 | 0.64 | 16.3 | 0.46 | 11.7 |
| 139.8 | 94 | 26.92 | 9.99 | 684 | 254 | 0.745 | 18.9 | 0.49 | 12.4 |
| 151.7 | 102 | 27.09 | 10.015 | 688 | 254 | 0.83 | 21.1 | 0.515 | 13.1 |
| 169.6 | 114 | 27.29 | 10.07 | 693 | 256 | 0.93 | 23.6 | 0.57 | 14.5 |
| W (30 x 10-1/2) | 133.9 | 90 | 29.53 | 10.4 | 750 | 264 | 0.61 | 15.5 | 0.47 | 11.9 |
| 147.3 | 99 | 29.65 | 10.45 | 753 | 265 | 0.67 | 17 | 0.52 | 13.2 |
| 160 | 108 | 29.83 | 10.475 | 758 | 266 | 0.76 | 19.3 | 0.545 | 13.8 |
| 172 | 116 | 30.01 | 10.495 | 762 | 267 | 0.85 | 21.6 | 0.565 | 14.4 |
| W (33 x 11-1/2) | 175.5 | 118 | 32.86 | 11.48 | 835 | 292 | 0.74 | 18.8 | 0.55 | 14 |
| 193.4 | 130 | 33.09 | 11.51 | 840 | 292 | 0.855 | 21.7 | 0.58 | 14.7 |
| 209 | 141 | 33.3 | 11.535 | 846 | 293 | 0.96 | 24.4 | 0.605 | 15.4 |
| 226 | 152 | 33.49 | 11.565 | 851 | 294 | 1.055 | 26.8 | 0.635 | 16.1 |
| 251 | 169 | 33.82 | 11.5 | 859 | 292 | 1.22 | 31 | 0.67 | 17 |
| W (36 x 12) | 200.8 | 135 | 35.55 | 11.95 | 903 | 304 | 0.79 | 20.1 | 0.6 | 15.2 |
| 223.2 | 150 | 35.85 | 11.975 | 911 | 304 | 0.94 | 23.9 | 0.625 | 15.9 |