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Question DetailsAsked on 3/7/2015

How much does it cost to replace box gutters?

We are in Cincinnati Ohio; interior is about 1300 sq ft. the roof is not steep.

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1 Answer


Depending on the configuration (concealed or open) and how they interface with the roofing edge, whether rot has gotten into the fascia board, number of downspouts, type of lining (membrane roofing, tin, galvanized steel, copper, stainless steel), cross-section of gutter, etc - and especially how common they are in your area - your cost is likely to be at least $20/LF of gutter and downspout for open/overhanging box gutters or $30-40/LF plus for concealed/integral ones. Commonly into the $30-50/LF range in many areas regardless of type, and sometimes $50/LF or more - especially if more than about 20' off the ground or using copper or stainless lining. Curved gutters - commonly around $40-50/LF materials only, so installed cost can run $70-100/LF. Ditto with solid stainless ro copper ones (as oppposed to metal lined).

Or one more modern method getting started recently is to patch the wood (if not real bad except in small local spots), then put in a double layer of membrane like EPDM (to last a lot longer, because the top layer protects the second so acts as a sacrificial layer over a backup waterproofing layer - similar though as ice and water shield under roofing), or a heavy, thick pond liner (Hypalon or similar) designed for exposed use (so is ultraviolet protected) as a liner.

Some people have tried ice and water shield but that cracks and deteriorates and fails in pretty quick order because it is not designed for exposed use for more than a month or wo during roof construction.

Guess about all you can do is decide if you want cheaper lining or long-lasting but a LOT more expensive, then contact Gutter companies in your area to find ones with experience in box gutters, and see what 4 or more quotes say for price for your specific case. You could have them quote a couple of lining options if you wanted, for you to choose from.

Your other alternative for box gutters is fiberglass - commonly around $20-30/LF installed so not much cheaper, but lasts longer and much lower maintenance.

And of course, you have vinyl (my preference for ease, low cost, ability to DIY, and longevity) and seamless aluminum and steel gutters as an option - commonly in the $5-10/LF range installed.

One recommendation - don't use exposed copper, or the copper colored fiberglass because they tend to get stolen real quick - I have heard of several cases where copper-colored fiberglass downspouts were torn off houses, presumably by people looking to sell the "copper" at a metals center. Hey - nobody said druggies or petty thieves are smart !

Answered 3 years ago by LCD

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