Installing over existing fiberglass shingles | Ask The Experts Forum

Guest User 11/4/2005	Can metal roofing be installed over existing fiberglass shingles? Will this present any problems?	Share Or copy this URL: https://www.metalroofing.com/spirit/comment/7033/find/
Allan Reid Dura-Loc Roofing Systems, Inc. 11/4/2005	Most metal roofing products are but the building code does have certain restrictions as to layers and type of overlay and now with hail zones. Also ask to see the product approval which will indicate that it has been tested and approved for this application as there are wind, fire and rain issues as well to consider.	Share Or copy this URL: https://www.metalroofing.com/spirit/comment/7034/find/

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