Urbana Roofers: Article About Chimney Leaks
Homeowners who find water stains on the walls and ceilings may end up blaming the roof for the damage. However, the real cause of the stains often stem from a leaky chimney. If there is water streaming down the flue or inside the attic brickwork, or if the stonework contains lime deposits, there is a good possibility that the water loss is from the chimney and needs repair.
A quick inspection of the exterior chimney can determine how the water is funneling into the fireplace. The first thing to notice is if the chimney is lacking a chimney cap. A chimney cap will cover the flue and prevent water from entering the pipe. Likewise, a cap will hinder vermin and debris from clogging the ventilation and creating harmful vapors.
Furthermore, Urbana roofers can check the chimney crown, which is the cement molding on top of the stack, for leaks. The chimney crown prevents snow and rain from wetting the masonry. When water seeps into the mortar, cracks form causing the structure to move or to constrict. When water pools inside the fissure, the cement remains moist and bricks begin to decay.
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Moreover, in snowy conditions, the water freezes and expands the crevices causing more damage. Note then that even small gaps need repairs in order to hamper further loss and costs.
For older homes, there is a good chance that the wood burning fireplace was converted to gas flues. Many of these conversions did not include a properly installed chimney liner. Since gas vapors have low temperatures, they retain more moisture. The gas fumes condense and soak the bricks, enabling them to remain consistently wet. A simple chimney liner can quickly solve this problem for the future.
Furthermore, gas fireplaces should have the masonry sealed. A reputable company can spray the chimneys with water resistant repellents or a waterproofing sealant. Chimneys may require this material to be applied every five years, however.
On rare cases, a leak may begin in another area of the roof and spread to the chimney where it is visible indoors. Homeowners should check if rainwater trickles through the attic ventilation. The water can move through the ceiling and then dribble along to the stringer. A stringer is a piece of wood that breaks out of the roof trusses and runs along the house. A roofer can divert the water flow and install gutters, preventing water from entering the chimney.