North is up. Lengths in feet.
Seen from the south-east. Shape only, not for measuring.
A hip-and-gable roof with 5 facets, all at 6/12, with 2 valleys.
| Facets | 5 |
| Footprint under roof | 1,711 ft² |
| Complexity | Moderate |
| Steep, over 8/12 | None |
| Low slope, under 3/12 | None |
| Recommended waste | 15% |
North is up. Lengths in feet.
North is up. Lengths in feet.
| Hip and ridge cap (ridges + hips) | 101.6 ft |
| Drip edge (eaves + rakes) | 189.4 ft |
| Starter (eaves + rakes) | 189.4 ft |
| Step flashing | 0.0 ft |
| Headwall flashing | 0.0 ft |
Arrows point downslope.
Arrows point downslope.
Total 1,914 ft²
Total 1,914 ft²
| Facet | Area | Squares | Pitch | Faces |
|---|---|---|---|---|
| A | 690 ft² | 6.90 | 6/12 | North |
| B | 582 ft² | 5.82 | 6/12 | South |
| C | 244 ft² | 2.44 | 6/12 | East |
| D | 199 ft² | 1.99 | 6/12 | West |
| E | 199 ft² | 1.99 | 6/12 | East |
| Total | 1,914 ft² | 19.14 |
| Item | Based on | Order |
|---|---|---|
| Gutter | 134.4 ft + 10% · 10 ft pieces | 15 pieces |
| Downspout | 4 downspouts · about 40 ft in all (estimate) · 10 ft pieces | 4 pieces |
| Elbows | 4 downspouts · 3 each | 12 elbows |
| Downspout bands | 4 pieces of downspout · 2 each | 8 bands |
| Outlets | One per downspout | 4 outlets |
| End caps | Run ends that do not turn a corner | 4 caps |
| Outside mitres | Outside corners between runs | 2 mitres |
| Inside mitres | Inside corners between runs | 2 mitres |
| Hangers | 134.4 ft · one every 24 in, plus one per run | 75 hangers |
| Run | Side | Length | Drains | Plan area | Eave height | Downspouts |
|---|---|---|---|---|---|---|
| G1 | North | 49.2 ft | A | 618 ft² | about 10 ft · 1 storey | 1 |
| G2 | East | 29.5 ft | C | 218 ft² | about 10 ft · 1 storey | 1 |
| G3 | South | 18.0 ft | B | 318 ft² | about 10 ft · 1 storey | 1 |
| G4 | West | 13.1 ft | D | 178 ft² | about 10 ft · 1 storey | 1 |
| G5 | East | 13.1 ft | E | 178 ft² | about 10 ft · 1 storey | via G3 |
| G6 | South | 11.5 ft | B | 203 ft² | about 10 ft · 1 storey | via G4 |
| Total | 134.4 ft | 1,713 ft² | 4 |
Rules of thumb: 1 downspout per 40 ft of connected gutter or 600 sq ft of roof · hangers every 24 in · 10% gutter waste. Eave heights are estimates. Size for local rainfall and code.
| Waste | Area | Squares | Bundles |
|---|---|---|---|
| 0% | 1,914 ft² | 19.1 | 58 |
| 5% | 2,010 ft² | 20.1 | 61 |
| 10% | 2,105 ft² | 21.1 | 64 |
| 12% | 2,144 ft² | 21.4 | 65 |
| 15%Recommended | 2,201 ft² | 22.0 | 67 |
| 18% | 2,259 ft² | 22.6 | 68 |
| 20% | 2,297 ft² | 23.0 | 69 |
Valleys: allow 15%.
| Item | Based on | Order |
|---|---|---|
| Shingles | 22.0 sq with 15% waste · 3 bundles per sq | 67 bundles |
| Underlayment | 22.0 sq with 15% waste · 10 sq rolls | 3 rolls |
| Ice and water shield | 164.0 ft eaves + valleys · 66 ft rolls | 3 rolls |
| Starter strip | 189.4 ft eaves + rakes · 100 ft per bundle | 2 bundles |
| Hip and ridge cap | 101.6 ft ridges + hips · 25 ft per bundle | 5 bundles |
| Drip edge | 189.4 ft eaves + rakes · 10 ft pieces | 19 pieces |
| Valley metal | 29.6 ft valleys · 10 ft pieces | 3 pieces |
Rates: shingles 3 bundles/sq · underlayment 10 sq/roll · ice & water 66 ft/roll · starter 100 ft/bundle · cap 25 ft/bundle · drip edge 10 ft. Waste applies to shingles and underlayment.
Measured from aerial lidar elevation data, not a site visit. Verify measurements on site before ordering. Material quantities use the rates shown and are rounded up; adjust them to your products and local code.
Data sources: Sample data. Real reports credit USGS 3DEP or Natural Resources Canada and the building outline source.