This section is from the book "A Treatise On Architecture And Building Construction Vol4: Plumbing And Gas-Fitting, Heating And Ventilation, Painting And Decorating, Estimating And Calculating Quantities", by The Colliery Engineer Co. Also available from Amazon: A Treatise On Architecture And Building Construction.

68. Roof framing and sheathing are included in the estimate for carpentry.

Quantities. Squares. | |

Main and dormer roofs........... | 22.0 |

Porch roof............ | 6.4 |

Tower roof, 370 sq. ft................ | 3.7 |

Cost.

The cost of slating may be estimated as follows:

Cost of 1 Square of Slating. Per Square. | |

Slates, 8" X 12" (6" X 12", $4.00).......... | $5.00 |

Labor: 1 slater will average 2 squares per day; wages being $2.00 per day, 1 square will cost. | 1.00 |

Nails: 8"X l2" slates require 5 lb. 9 oz. (5.6 lb.) of galvanized nails per square, which, at $2.20 per 100 lb., cost................ | .12 |

(6"X l2" require 7 lb. 6 oz., or 7.4 lb., costing 16 cents.) | |

Roofing felt, 1 roll | 2.40 |

Labor and nails for laying felt............ | .15 |

(Flashing, etc., itemized separately.) | |

Cost per square................. | $8.67 |

Summary. | |

Main, dormer, and porch roofs, 28.4 squares, at $8.67 per square............. | $246.22 |

Tower roofs, 3.7 squares of 6"x l2" slates at $8.21 per square (cost per square for labor, $1.50, to compensate for extra work in cutting, etc.).. | 30.38 |

Cost of slating.................. | $276.60 |

Quantities and Cost. | |

Tin roof on bay window, 38 sq. ft, at 11 cents per sq. ft.................... | $4.18 |

Tin for valleys, 191 sq. ft., at 10 cents per sq. ft.. | 19.10 |

Flashing-around chimneys and dormers, 90 sq. ft., at 10 cents per sq ft............... | 9.00 |

Gutters, 100 lin. ft, 26 in. wide, at 21 1/2 cents per ft. | 21.50 |

Conductor pipe, 4-inch galvanized iron, 146 lin. ft., at 20 cents per lin.ft.............. | 29.20 |

Terra-cotta ridge tiles, 70 lin. ft., at 40 cents per lin. ft................... | 28.00 |

Terra-cotta finials, 3, 2 ft. high, at $6.00 each... | 18.00 |

Tower finial, copper.......... | 10.00 |

Total............. | $138.98 |

(Labor included in above prices.) |

RECAPITULATION OF COST OF ROOFING. | |

Slating.......... | $276.60 |

Miscellaneous............. | 138.98 |

Total cost of roofing............ | $415.58 |

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