The Shingles for a Roof calculator computes the number of shingle bundles (33.33 ft² each) needed to cover a common gabled roof based on the roof dimensions.
INSTRUCTIONS: Choose units and enter the following:
Shingle Bundles (B): The calculator returns the following:
The Shingles for a Roof calculator:
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).
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.
The pricing data is gathered periodically from nationally advertised prices on the websites of DIY providers such as (Lowes and Home Depot). The data is saved in a vCalc data repository (table), and for the use of vCalc users.
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.