If you can get into your attic you should be able to see evidence of leaks. Look for staining and/or rotting wood at walls and penetrations.
Roof to wall intersections and pipe collars are probably the two most common locations. What is the height and pitch of the roof? I don't suggest hitting the roof with a bunch of water unless you know how to spray it. Shooting water from the bottom up can facilitate a leak on a roof that is otherwise working properly.
An attic inspection is a good idea an if you can separate out the difference between bulk water and condensation stains, you should be able to put an eyeball on the leak.
Good luck and do not get on the roof unless you know how to walk it and have PPE.
WoW Home Solutions.
Have you made the contractor aware of your disappointment? Have you given them the opportunity to "Make it Right?" If so, i would go to the agency that issues licenses in your area and file a formal complaint. The BBB is also a good place to go. Both of these entities will investigate your complaint and seek to have the situation remedied.
Reviews are very important to such a company. I would advise filing a complaint with the BBB in your area as other have stated, along with sharing your experience on their other pages like google, facebook, Angie's List, etc.

Modern roofs can last three decades or more, depending on the materials used and the expertise and commitment to excellence of the contractor. Older roofs, however, aren’t quite as eternal. If you have lived in your home for a number of years and have never experienced a problem with your roof, consider yourself lucky.
However, that luck won’t last, and because of it, you may not immediately recognize a problem with your roof that might require a repair or even a new roof. Here are some signs that your roof needs attention, and if you do suspect a problem, don’t hesitate to call a professional to diagnose it and provide an estimate:
Leaks and Sunlight
Water seeping into your house is an obvious sign of a roof problem, but sometimes that leak is difficult to find, particularly if it never gets beyond your attic. Look at the attic from the inside to look for evidence of a leak and do so during the daytime—if slivers of sunlight are visible, your roof has holes that should be fixed.
Damaged Shingles
Shingles that are cracked, curling upward, cupping in the middle, or buckling or are damaged in any other way are a sign of a roof in distress. Most shingle damage, if not caused by wind, is an indication that water has seeped underneath the roof and is destroying it from underneath. A damaged shingle here and there might not be cause for alarm and can easily be replaced, but enough of them might be an indicator that you need a new roof.
What Does it Cost to Replace Your Roof? Find Out Here >
Missing Shingles
Shingles can blow off during storms; if the roof is solid, you hire a contractor to replace them and move on. However, if you are losing shingles during relatively calmer conditions, something else other than a breeze might be at play. Don’t let missing shingles go unreplaced: Call a professional to fix the problem and determine the state of your roof.
Granules in the Gutter
The granules you see on asphalt shingles serve an important purpose: shielding the roof from the effects of the sun. On a new roof, excess granules may fall off the shingles—this is nothing to be concerned about. For an old roof, however, losing these granules might be a sign that the shingles are at the end (or beyond the end) of their lifespan. The sun will then beat upon your unprotected shingles and shorten the roof’s life even more. If your roof is more than 15 years old and you are seeing granules in the gutter, you may be inching closer to a replacement.
Failing Flashing
Flashing is the material that seals and protects the seams around roof features such as chimneys,skylights, and vents. If you are noticing cracking around the flashing and/or are experiencing leaks on the inside of these structures, a repair is definitely in order.
Drooping and Sagging
If your roof is visibly drooping, sagging, or depressed, a replacement roof is likely imminent. Moreover, these are also signs of potential structural damage—boards and decking in the attic might be rotting as well. Call a roofer right away to assess the damage.
The Passage of Time
Back to the conversation about luck earlier in this post: If you are not the original owner of your home but have resided in it for more than 20 years without a roof problem, you should, at the very least, be wary that the roof is on the back end of its practical life. Issues and damage can be present even in older roofs that otherwise look fine to the untrained eye. Pay careful attention to your experienced roof and consider annual inspections by a professional to help determine if there are concerns you just aren’t seeing. Also, if you live in a subdivision and your neighbors start replacing their roofs, be ready—yours might be just around the corner.
What current concerns do you have about your roof?
Roof ventilation is very important. Ensure that the intake from the eaves is adequate and not blocked in the attic with insulation. Ensure you have adequate exhausting on the ridges. Proper ventilation can extend the life of your roof. If you have any questions, you should consult with a roofing professional in your area.
Masons would install mortar on bricks.
Metal roof pricing ranges on what the structure details are (steepness, valleys, penetrations, wall flashings, chimneys, etc.) and what gauge, profile, ventilation and snow retention (if any) is needed or requested.
I would recommend a licenced mason Please don't have a handyperson do it. It will look terrible and may not withstand an siemic even properly.
i would call some of the licenced home builder in your area and ask them who they would recommend/
Phililp
Hello Debbie, I would ask how that was determined. I think that fact that the question was brought up in the first place really raises a red flag. In my experience, if there was a question about changing the laod on a structure an engineer should have been consulted. I would ask the contractor to make things right based off the advise of an engineer. Note-If this contractor is a roofer, I would not think that would be a good fit for the repairs.
We wish you the best,
This is a strange situation. I wonder what type of roofing material was used? It would be very unusual for an asphalt shingle to be too heavy for a roof. So was the roof framing undersized in the first place? Were there existing deficiences which were not corrected, that should have been corrected prior to re-roofing? Indeed, you may need a lawyer to sort this out. Good luck.
Brick mason
Home Advisor recomments the following: http://www.homeadvisor.com/tloc/Saint-Louis-MO/Inspection-Roofing/
http://rkmfieldinspectionservice.com/roof-inspection.html
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The BEST way would be infrared image testing. Only top-tier roofing companies will have them, so may be hard to locate in rural areas. However, the technology is getting older, and the cameras that were $1k, 2 years ago, are around $399.99. Its a solid investment, and requires none of the old, trial and error methods.