Why are shingles so expensive compared to other building materials. I thought the slow down in housing has resulted in lower prices for all materials.
Shingle prices have increased 57.5% from March 2008-March 2009. There are two primary causes, 1. petroleum prices soared last summer and have not adjusted downward, and 2. a greater percentage of asphalt is being set aside for increased road construction due to the recent stimulus bills. Since asphalt is the main ingredient in shingles we