What is a Class 4 shingle?
Correspondingly, what is a Class 3 shingle?
These shingles are found on roofs throughout our region. The class 3 shingle is tested with a 1-3/4” steel ball and dropped from a height of 17 feet. You'll find that the shingle on your home may be a class 3 shingle. These are commonly found to have approximately a 30 year limited lifetime offering.
Also to know is, what is the best class 4 shingle?
One of the best Class 4 shingles on the market are CeDUR Roofing Shakes synthetic wood shakes. Their product mimics the beauty and uniqueness of real cedar shakes, but is much more durable.
Class A is the highest rating, offering the highest resistance to fire, and unrated is the worst. Examples of a Class A roof covering include concrete or clay roof tiles, fiberglass asphalt composition shingles and metal roofs. An example of an unrated covering is an untreated wood shake roof.