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I have a 4-year old IKO Renaissance AL roof on my house. There is adequate venting. The exposures on alot of the shingles are cracking and fissuring. Some shingles are effected more than 50%. IKO says that this happens 2-5 years after installation and does not impede the shingle’s water-shedding ability. Has anyone had this experience or had IKO fail to back their product?
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I have a 4-year old IKO Renaissance AL roof on my house. There is adequate venting. The exposures on alot of the shingles are cracking and fissuring. Some shingles are effected more than 50%. IKO says that this happens 2-5 years after installation and does not impede the shingle's water-shedding ability. Has anyone had this experience or had IKO fail to back their product?