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.
Secondly, how can you tell if you have Class 4 shingles? Shingles are rated Class 1 through 4, with Class 4 shingles having the highest resistance. You will not be able to determine the impact rating of shingles by looking at them, although the impact rating is usually marked on the cellophane on the underside of the shingle. Resistance may be provided in several ways.
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.
What is a Class A shingle?
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.