Nonetheless, when it will come time for the same choice in 20 years, an overlay received’t be a possibility, primarily due to the fact most roofing contractors won’t add a third layer of shingles. There’s the load on the shingles to consider and there may be other constructing codes to https://edwinjscks.slypage.com/29394300/the-greatest-guide-to-local-metal-roofers