Shingles for Gable Roof

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`"bundles" = "Roof Area" / "bundle size"`

Enter a value for all fields

The Shingles for Gable Roof calculator computes the number of 3-tab or architectural shingles are needed to cover a common gabled roof based on the roof dimensions.

INSTRUCTIONS: Choose units and enter the following:

(L) Ridge Length
(S) Roof Span
(P) Pitch of Roof (choose:1/12, 2/12, 3/12, 4/12, 5/12, 6/12, 7/12, 8/12, 9/12, 10/12, 12/12, 14/12)
(oH) Overhang
(SBC) Shingle Bundle Coverage (33.3 ft² for 3-Tab and 32.8 ft² for architectural)

Shingle Bundles (B): The calculator returns the following:

Number of bundles of shingles needed to cover roof area
Underlayment total surface area
Linear Feet of Ridge Cap
Linear Feet of Starter Roll (eaves and rakes)
number of roofing nails for normal wind conditions
number of roofing nails for high-wind conditions.

The Math / Science

The Shingles for a Roof calculator:

Computes the surface area of the roof.
Adds area (+ 6") for the double layer of shingles on the first row of both sides of the roof.
Divides the surface area by the area coverage of one bundle of shingles (33.33 ft² for 3-tab or 32.8 ft² for architectural)

The Ridge Shingles are calculate as the Ridge Length divided by 25 linear feet for a bundle of Ridge Cap Roofing Shingles

The Roofing Starter is calculated as twice the ridge length for both eaves plus then calculated length of both rakes (sloped sides).

Gable Roof Calculators

Gable Roof Area: This computes the surface area of a gable roof based on dimensions and pitch.
Trusses Needed for Roof: This computes the number trusses need for a roof including gabled roof.
4x8 Sheathing for Gable Roof: This computes the total surface area of a roof, the number of 4x8s and framing nails needed for a gabled roof based on the length, span, pitch and overhang.
Gable Roof Sheathing Cost: This computes the number of 4x8 sheets (32 ft² each) needed to cover a gabled roof based on the ridge length, roof span, overhang and the pitch and applies the unit cost of a 4x8.
Nails for Gable Roof Sheathing: This computes the approximate number of nails needed to nail 4x8 sheets to trusses or rafters on a roof based on the dimensions of the roof, spacing of nails on the edges and field of the 4x8, and whether blocking or clips are use.
Purlins for Gable Roof: This computes the total number and length of purlins for a simple gable roof based on the ridge length of the roof, the roof pitch and the span of the roof.
Metal for Gable Roof: This estimates the metal panels and trim needed for a metal roof for a simple gabled roof based on the roof dimensions.
Metal Screws for Gable Roof: This computes the number of special screws needed for a metal roof.
Shingles for Gable Roof: This computes the number of shingles (bundles), underlayment, ridge shingles, starter strip, and roofing nails for a gable roof.
Gable Roof Shingle Cost: This estimates to shingle a basic gable roof based on dimensions (length, span, pitch and overhang) and the unit price of a bundle of shingles.
Underlayment for Gable Roof: This estimates the cost of underlayment to cover a basic gable roof based on the area of a roof computed from the dimensions (length, span, pitch and overhang) and the unit price underlayment material.
Roofing Nails for Gable Roof: This estimates the number of roofing nails needed for a common gabled roof based on roof dimensions and wind conditions.
Rafters for Gable Roof: This computes the total number of rafter boards (roof joists) for a gabled roof based on the ridge length, pitch and span. It also returns the length of the ridge board, and the length and number of rafter ties and collar ties.
Rafter Length: This computes the length of the rafters based on the span, pitch and overhang.
Gable Roof Geometries: This computes the length of rafters, pitch and cut angles, soffit and facia base widths of a gable roof.
Weight of Snow on Roof: This computes the weight of snow on a gable roof based on roof dimensions, depth and type of snow.

Single Price Survey Data

One should use the pricing for roofing materials that can be bought locally. However, the following prices are for different quality grades of shingles in the United States. The 3 Tab and Architectural Shingles Cost Survey lists the observed price of a bundle of shingles. A bundle of shingles is 33.33 ft2 for 3-tab shingles or 32.8 ft2 for architectural shingles. The survey includes a date, the name of the store. the five price points for shingles: economy, low, median, high and premium.

3 Tab and Architectural Shingles

Shingle Price Survey Online Source : Lowes
Shingle Price Survey Date: 12/22/22
- Cost of Premium Shingles: $90.0 USD.
- Cost of High Grade Shingles: $52.34 USD.
- Cost of Medium Grade Shingles: $43.32 USD.
- Cost of Low Grade Shingles: $37.98 USD.
- Cost of Economy Grade Shingles: $36.0 USD.

Ridge Shingle and Starter Shingle (strips):

Price Survey Online Source : Lowes
Price Survey Date: 12/28/22
- Cost of High Priced Ridge Shingles: $3.51 USD / ft.
- Cost of Medium Priced Ridge Shingles: $2.4 USD / ft.
- Cost of LOW Price Ridge Shingles: $1.42 USD / ft.
- Cost of High Priced Starter Shingles: $1.47 USD / ft.
- Cost of Medium Priced Starter Shingles: $0.93 USD / ft.
- Cost of LOW Grade Starter Shingles: $0.4 USD / ft.

NOTE: Local pricing should ALWAYS, ALWAYS, ALWAYS be used! These price points are for estimation convenience only, and there is no guarantee on the prices of the product nor of their availability at the stated price.