Architectural dimension shingles will vary in price depending on style, thickness, durability, and production costs. Cheaper dimensional shingles currently (2008) run anywhere from $50/square to $175/square.
Typically there are three (3) bundles per square (100 sq ft)
Low end $75 per square for standard 3 tab shingles
Check with one of the superstores (Home Depot, Lowe's etc)Ask for the cost per bundle, and how many bundles there are to a 'square'.A square is 100 square feet, most shingles are 3 bundles to a square, but some of the new architectural are very heavy and thick and come 4 to a square.
2.7 lbs.
1 square of roofing shingles is 3 bundles of shingles equaling 63 shingles per square.
No dimensional shingles require 4 bundles per square
price per square for echstar shingles
The most common shingles (three tab), come three packs per 100 square feet or a 10 foot by 10 foot area. The timberline shingles can come in 4 packs per square, and high end shingles can be 5 or 6 packs per sguare.
It weighs 3 Ibs per one square footage of asphalt shingle
Roofing shingles. Standard grade 3 per square. Architectural 4 per square.
typically a square is three bundles (about 26 shingles per) but in some types of architectural shingles there are four bundles per square to make them easier to handle.
Depends on the type of shingle (asphalt, shake, slate, etc.). Most asphalt shingles weigh about 75lbs/bundle, at 3 bundles per square (100 square feet per square).