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Question DetailsAsked on 9/20/2012

what do we look for when assessing roofing bids?

We typically take three bids for capital improvements, and could use a framework for assessing roofing contractors bids. What have a set of questions that can help us differentiate potential roofing contractors, but what do we look for in the bid itself?

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4 Answers


References, warranties, length of time in business, Angie's List reviews and others on the internet. Check out their place of business as well.

Check warranties by asking for a copy,to read yourself,compare to others.


Answered 7 years ago by BayAreaAC


Warranty and licensing are probably the 2 biggest things. They should both be on the contract. Not all areas license roofers but if your's does make sure they have the qualifications to do the work. As for insurance, most licensing agencies require proof of insurance on file for a contractor to have a license. This can help you or make no difference, depending on whether you have to file a claim. Bear in mind that insurance for roofers is among the most expensive in the industry so a contractor that says he is insured may not have provisions for roofing coverage. Also, his bid will likely be higher than someone who doesn't carry that added business expense. As for other information in the contract: brand, color of materials to be used, new flashing or reuse of existing, weight and type of underlayment, faster type and length, new vents or reuse old ones, & any drip edge replacement or installation.

As an added measure you can check with the contractor's local supplier or the manufacturer to see how much volume the roofer does to assertain he is legitimate and stable. You can also ask if he has undergone any training offered by either.

Todd Shell
Todd's Home Services
San Antonio, TX

Answered 7 years ago by Todd's Home Services


I agree with what everyonehas said so far, but as for roofing, make to ask about their workmanship warrantyand the roofing product warranty two different things. Look up theroofing manufactures in a major search engine and see how many lawsuit or if thatroofing products has good or bad reviews. Also in their contract; ask about theirprices for the repair which may arise in their dry rot etc. Look them up onmajor search engines to see their company reviews. Make they have the roofingproducts in writing and everything else. Some company in my area, not me but I seeway to often is that they give home owner new roof but never address other areasuch as roof meet walls, skylights, bottom chimney flashing and tuck pointingof chimney, valleys, flat slope roofs. And if they an honest company they willput in all in writing. And which type of venting system they use. Try to avoidplastic vent at all cost they will only last about 10yr. metals vent will lastthree time longer. Ridge vent work best and majority of them come with lifetimeproduct warranty. If you have a flat slope roof and troch is a suggestion, knowthat that contractor needs to show proof of insurance to install torch down,they must carry this in case a fire happens, cause with torch down a fire canhappen. With PVC membrane there is zero chance of fire, it use heat gun forwelding and product last about 25yr. with torch average 10-15yr. Pipe jack askfor lead pipe jacks which lasts 3 time longer then no caulk pipe flashing whichonly last 10yr and then must be replaced.

Answered 7 years ago by GironRoofing


What type of roof is this? I ask because scope of work and quality of materials will usually dictate price. For example on a sloped roof, 15# felt will naturally be less expensive than 30#. Where is the ice shield being installed, etc....

Assuming this is a sloped roof, check out this link as it will explain alot of the technicalities of an asphalt shingle roofing SYSTEM:

Maybe it is a flat roof, check out this link as it will explain much of your options about low slope roofing:

references are over rated since nobody is going to give you a bad reference, but check angies list reviews, google and yahoo reviews, yelp, etc.. and check the BBB. Simply plug the company name into your favorite web browser and see what comes up. You may be surprised, as I can tell you some of the companies in my area that appear to be the most respected have terrible reviews on the internet.

Ask to see copies of the companies license, if applicable in your area, as well as a certificate of insurance showing General Liability as well as Workmans Compensation. The two are not the same and some unscrupulous contractors won't have workers comp because it is EXPENSIVE!


Answered 7 years ago by ReliableAmericanRoof

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