Even so, when it comes time for a similar conclusion in twenty years, an overlay won’t be an alternative, mostly simply because most roofing contractors won’t include a 3rd layer of shingles. There’s the weight from the shingles to consider and there might be other making codes to think about https://local-metal-roofers11098.popup-blog.com/28467602/metal-roof-replacements-no-further-a-mystery