The average lifespan of asphalt shingles ranges from 20 to 40 years depending on the manufacturer although many warranties only guarantee between 15 and 25 years.
Roofing apprenice life.
Apprenticeship programs sponsored jointly by labor and management on the local union level supply employers with the highly skilled workers who apply the quality roofing and waterproofing systems that keep america s buildings dry.
Cedar is the preferred choice for wood shingles also called shakes because it s rot and insect resistant.
Most on the job training programs consist of instruction in which experienced workers teach new workers how to use roofing tools equipment machines and materials.
Within 2 or 3 months they are taught to measure cut and fit roofing materials.
The program offered by the united union of roofers waterproofers and allied workers lasts three years.
Some shingle roofs may even last as long as 50 years.
We from full roof replacements and repairs such as shingles metal tile and flat roof systems.
Average lifespan composite asphalt shingles can be expected to last 15 to 40 years depending on the quality of the materials chosen.
Fiberglass shingles are more.
Most shingle roofing manufactures offer a range of products in different weights and different life expectancies.
A wood shingle roof can last up to 30 years but requires annual upkeep.