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Your last statement is not so. If this Condo tri-plex is built side by side there is little chance one truss system would cover the entire span, it would require some bridge like trusses that would not work well with the construction of the building. More likely there are three truss systems, each supported by a fire wall between the units. The newer buildings where the roof fails under heavy snow loads usually are designed for a very long truss for a large open underneath span.
Darstar: That (in green) seems to be exactly how our building is designed.
Everyone:
Thank You for all the info. Very helpful. I gave y'all reps
I summary what I gather is the risk of roof collapse isn't too high - it's always a possibility but since our building was built in 2005, it should meet code and able to hold the load. However, when the weather warms up and especially if we get rain out of the blue, the water/ice dam issue may lead to damage inside the house. So I better consider having the snow removed.
Darstar: That (in green) seems to be exactly how our building is designed.
Everyone:
Thank You for all the info. Very helpful. I gave y'all reps
I summary what I gather is the risk of roof collapse isn't too high - it's always a possibility but since our building was built in 2005, it should meet code and able to hold the load. However, when the weather warms up and especially if we get rain out of the blue, the water/ice dam issue may lead to damage inside the house. So I better consider having the snow removed.
The likelihood of ice dams is much greater than roof collapse. Do you see icicles hanging off your eaves, especially big, thick long ones? Those are indicators that you may develop an ice dam problem.
Yes, it can be a problem- snow accumulation and moisture can ruin your roof.
It should be removed regularly, even if you have to hire someone to do it.
The likelihood of ice dams is much greater than roof collapse. Do you see icicles hanging off your eaves, especially big, thick long ones? Those are indicators that you may develop an ice dam problem.
Big Icicles... YES, got those on the South facing roof where the sun melts the ice and then it re-freezes over and over again.
Big Icicles... YES, got those on the South facing roof where the sun melts the ice and then it re-freezes over and over again.
If the house is built correctly there should be NO icicles period. It's not uncommon for people to decide to add more insulation to the attic . This along with proper ventilation not only stops the Ice dams but will reduce heating costs.
As far as flat roofs go, I have one and we get 300 inches of snow over a winter.. I have never been on my roof since it was built. I do have a scupper drain system whIch collects water in one corner and exits thru a 6"vertical PVC drain painted the same as my siding. I have a6" knee wall all around the rood which does have a 2" pitch. We used a one PC membrane instead of tar and gravel. It's been 6 years, no problems.
If the house is built correctly there should be NO icicles period. It's not uncommon for people to decide to add more insulation to the attic . This along with proper ventilation not only stops the Ice dams but will reduce heating costs.
As far as flat roofs go, I have one and we get 300 inches of snow over a winter.. I have never been on my roof since it was built. I do have a scupper drain system whIch collects water in one corner and exits thru a 6"vertical PVC drain painted the same as my siding. I have a6" knee wall all around the rood which does have a 2" pitch. We used a one PC membrane instead of tar and gravel. It's been 6 years, no problems.
Those are called "rubber roofs" around here, and they are about the only thing that works on flat roofs. I used to get ice dams and leaks on my flat back porch all the time, until I got the membrane put on about 7 years ago. No problems since!
I would worry if I had snow on my roof, although it would be nice to have something around here to cool down with. I can't keep snow anywhere around here. It was 82 degrees today.
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