Sweating Roof Problems

It can lead to roof leaks even if rain has not occurred for several days.

Sweating roof problems.

That excess moisture ends up as drops of condensation on the roof. If the excess sweating is due to an underlying medical condition it s called secondary hyperhidrosis. But with proper design and maintenance principles you don t have to sweat roof condensation issues. Metal roofs are known for this with condensation forming particularly at the beginning and end of a day.

Roof condensation is a thorny but fairly common problem. If your roof deck or insulation is developing water droplets chances are your forehead is too. Warm wet air rises and meets the cold roof and cools. Picture a cloud of moisture floating overhead between the rafters.

Essentially condensation occurs at night when the temperature inside a building is warmer than outside. How to stop a metal roof sweating 5 key points to solving your shed condensation problem metal roof sweating is a result of excess humidity condensing on the underside of your roof. Although the use of the completely impermeable and the selectively porous roofing styles may cause roof condensation problems it is actually very important and somewhat indispensable. Later designs such as the use of selectively permeable membranes are also not immune to the effects of roof vent loft condensation problems.

It is typically caused by excess moisture inadequate ventilation shoddy workmanship or some combination of these factors. Moisture can be increased by the occupants if they are for example running a laundry or doing some other activity that produces more than average moisture in the. As it cools it can t hold as much moisture. It happens when excess sweating is not triggered by a rise in temperature or physical activity.

If excessive sweating has no underlying medical cause it s called primary hyperhidrosis. Although moisture problems in the roof assembly can be due to waterproofing deficiencies don t neglect the effect of condensation.