 by Daniel Atcheson
Table of Contents 1 Measuring and Calculating Roofs, 5
- Level Roofs, 7
- Sloped Roofs, 10
- How to Measure Roof Slope, 12
- Perimeter of a Sloped Roof, 17
- Net Versus Gross Roof Area, 17
- Calculating Total Net Roof Area, 18
- Roof Overhangs, Hips and Valleys, 21
- Length of Ridge (Hip Roofs), 22
2 Roof Sheathing, Decking and Loading, 23
- Check the Framing, 23
- Solid Roof Sheathing, 24
- Spaced Board Sheathing, 29
- Roof Decking, 32
- Loading the Roof, 32
- Estimating Roof Sheathing, 34
3 Underlayment on Sloping Roofs, 35
- Saturated Felt Underlayment, 36
- Saturated Fiberglass Underlayment, 36
- Underlayment Requirements, 37
- Drip Edge, 40
- Installing Underlayment, 43
- Estimating Underlayment Quantities, 49
- Interlayment (Lacing), 57
- Eaves Flashing (Ice Shield or Water Shield), 61
- Valley Flashing, 64
4 Asphalt Shingles, 73
- UL Ratings for Shingles, 75
- Deck Requirements, 76
- Asphalt Strip Shingles, 78
- Flashing at Chimneys and Other Vertical Structures, 96
- Fasteners, 106
- Number of Shingles Required per Square, 108
- Number of Shingle Courses, 109
- Estimating Asphalt Strip Shingle Quantities, 113
- Ridge and Hip Units, 114
- Estimating Ribbon-Course Quantities, 124
- Individual Shingles, 127
- Estimating Asphalt Shingle Roofing Costs, 130
5 Mineral Surfaced Roll Roofing, 131
- Installing Mineral-Surfaced Roll Roofing, 133
- Valley Flashing, 134
- Estimating Mineral-Surfaced Roll Roofing, 144
- Waste from Non-conforming Roof Layout, 146
- Estimating Mineral-Surfaced Roll Roofing Costs, 157
6 Wood Shingles and Shakes, 159
- Installing Wood Shingles and Shakes, 164
- Covering Capacity of Shakes, 174
- Covering Capacity of Wood Shingles, 174
- Estimating Wood Shingle and Shake Quantities, 176
- Staggered Patterns, 185
- Sidewall Shakes and Wood Shingles, 185
- Roof Junctures, 192
- Estimating Wood Shingle Roofing Costs, 196
7 Tile Roofing, 197
- Underlayment Under Tile Roof Coverings, 199
- Installing Roof Tiles, 200
- The Starter Course, 202
- Fastening Roofing Tiles, 204
- Flashing at Vertical Walls, 217
- Replacing Broken Tiles, 224
- Estimating Tile Quantities, 225
- Estimating Total Tile Roofing Costs, 229
8 Slate Roofing, 231
- Slate Size, Color and Texture, 231
- Felt Underlayment, 234
- Installation on a Sloping Roof, 234
- Fasteners, 244
- Flashing, 245
- Estimating Slate Quantities, 249
- Estimating Slate Roofing Costs, 254
9 Metal Roofing and Siding, 255
- Modern Metal Panel Systems, 256
- Installing Metal Roofing Panels, 257
- Job-Fabricated Seams, 263
- Estimating Metal Roofing and Siding, 269
- Steel Roofing and Siding Quantities, 270
- Ribbed Metal Panel Quantities, 271
- Miscellaneous Metal Roofing Quantities, 275
10 Built Up Roofing, 291
- Roof Slopes, 292
- Substrate Design, 292
- Back Nailing, 297
- Base Sheets (Vapor Retarders), 298
- Roofing Membranes, 300
- Hot Bitumens, 303
- Cold-applied Bitumens, 305
- Surface Aggregate, 306
- Smooth-surface Roofing, 308
- Cap Sheets, 308
- Aluminum Roof Coatings, 309
- Phasing, 310
- Cant Strips, 311
- Temporary Roofs, 313
- Roof Traffic Pads, 314
- Water-retaining Roofs, 315
- Flashing on Flat Roofs, 315
- Roof Expansion Joints, 319
- Estimating BUR Systems, 323
- Testing BUR Systems, 327
- Built-up Roofing Warranties, 327
- Built-up Roofing Repairs and Re-roofing, 329
11 Elastomeric Roofing, 333
- The Advantages of Elastomeric Systems, 334
- Liquid-applied Elastomers, 335
- Single-Ply Roofing Systems, 338
- EPDM Elastomeric Systems, 337
- CPE Elastomeric Roofing, 342
- CSPE Elastomeric Roofing, 342
- Hypalon Roofing, 343
- PVC Elastomeric Roofing, 343
- Composite Roofing Systems, 343
- Flashings for Elastomeric Roofs, 344
- Estimating Elastomeric Roofing, 345
12 Insulation, Vapor Retarders and Waterproofing, 347
- The Benefits of Insulation, 347
- Insulation Materials, 348
- Reducing Heat Loss, 355
- Insulation Values, 361
- Vapor Barriers, 362
- Weatherproofing Existing Homes, 364
- Caulking and Sealants, 364
- Wall Flashing, 370
- Waterproofing, 37l
- Dampproofing, 377
13 Roofing Repair and Maintenance, 381
- Finding the Source of Leaks, 381
- Repairing Leaks, 384
- Roof Maintenance, 386
- Assessing Hail Damage, 388
- Roofing Demolition, 390
- Re-Roofing, 394
- Estimating Re-Roofing Quantities, 401
- Attic Ventilation, 402
- Gutters and Downspouts, 407
14 Estimating (and Maximizing) Production Rates, 411
- Labor Unit Prices, 411
- Estimating with Published Prices, 415
- Roofing Labor Tips, 420
Appendix A Roof Slope Factors, 428
Appendix B Valley Length Factors, 429
Appendix C Equations Used in This Book, 430
Index, 436
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