Leaking roof on log home

Guest User
12/22/2004
We built a log home and had a standing seam metal roof installed last year. We've had no problems until recently when, after some minor snow and ice, we got a dripping leak approximately 5 feet below the peak and 1 foot inside the perimeter log's edge. The metal roofing has insulation panels beneath it along with roofing felt. Where could this leak be originating? From the roof cap on the peak perhaps? Any input would be appreciated.
Allan Reid
Dura-Loc Roofing Systems, Inc.
12/23/2004
I suspect that you are dealing with moisture from condensation. The logs are probably settling into place which could open up the joints in the SIPS allowing moist air to move up through and condensate. Did you have the roof installed off the decking? The building code requires a minimum of 1" of vented air space in the US and 1.5" in Canada and they require an air barrier on the inside ceiling to stop the air loss. Check with the roofing contractor and see if they have used vented closure strip at the eaves and ridge to allow air movement.
Guest User
12/27/2004
My house has a tin roof. I am experiencing a roof leak in the family room ceiling. This room has a vaulted wood ceiling with exposed beams. The leak first occurred in a place above a window that made us think there might be a backup of rainwater, therefore we perhaps needed another down spout. That spout was installed but the problem was not corrected. I am emperiencing brown syrupy looking water dripping from the end of the exposed beam. This beam ends on the ceiling at a point approximately 3 feet from the wall of the room. There is also a leak which runs down the wall. This leak is on the same side of the room, but obviously not a run off of the drip from the beam. Could this be condensation? Any suggestions?
Guest User
12/27/2004
Linda, Condensation is always a possibility. However, if the leak seems to be distinctly occurring when it rains, then it probably is a roof flashing issuse of some sort. Tell me a bit though ... Is there a vented airspace above the ceiling? Is there insulation or a vapor (air) barrier? Is there solid decking (plywood) beneath the roofing? Can you send me any pictures of the roof installation? Have you consulted with the roofing installer or the manufacturer? All Best.
Guest User
12/28/2004
Todd, from the outside of the house, there is the vented airspace on the edges of my family room that is always visible to the eye when standing outside looking at a house. (the eves?) There is no entrance to any space above the familyroom. The roofing must have been installed over plywood and I say that because of the lack of noise when it rains. I have consulted the builder of my house and they seem to be surprised and do not understand what the problem could be. The builder says there are no pipes of any kind running across the ceiling of my family room to the remainder of my home.They installed an extra downspout thinking that was the problem.......It wasn't. This problem does not occur after a rain....but it does occur only in the winter. I first thought it was due to snow and ice....but we have had no snow or ice so far this year. It occurred on a sunny day in the morning, when the temperature was above normal for this time of the year. I am trying to do my research on this problem before I go back to the builder for a solution. Unfortunately those of us who used this particular builder must fight to get our problems solved. We have the only home with a metal roof in our development.
Guest User
12/28/2004
I am guessing this is a condensation problem and it is related to lack of ventilation. The International Building Code calls for a minimum 1" vented space beneath the roof deck in your case. I realize you have soffit vents (which act as intake) but I am guessing you do not have an clear airway above that and you do not have any sort of ridge vent or other vent near the peak to act as exhaust for the air being brought in the soffits. Please ask your builder for information on these issues.
Guest User
1/6/2005
we recently completed a log home with three dormers. the front two were recently leaking in the same spot approx. three days after a recent visit where we raised the heat from 50 degrees to 65 degrees. it leaked for few hours and measured about a cup of water. additionally one of our hard wired smoke alarms had some water that dripped. the entire ceiling is tongue and groove pine and there are flat ceilings in the dormers. ?
Guest User
1/6/2005
Sounds like bad flashing to me ... has the installer looked at this again? Can you contact the manufacturer and see if they can provide any input?
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