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Climbing vines such as ivy or wisteria have been used for years as a way to cover up unsightly exteriors or add a touch of whimsy to a home. While these vines may add curb appeal, they can also cause serious damage to your home’s exterior, especially if they are growing on or around your masonry chimney.
Many homeowners believe that ivy is no different from any plant growing in the garden. Unfortunately, while it can be a charming addition to the exterior of a home, it is can also cause significant damage. Below are three of the most common ways that ivy and climbing vines are bad for chimneys.
1. Ivy causes cracks
Climbing vines such as ivy do not grow vertically on their own; they need a structure to hold onto in order to climb. When this happens on your chimney, the roots and tendrils of the ivy snake their way into the bricks and mortar in order to continue climbing. This can create cracks and holes in the masonry; at the plant continues to grow, so too does the size of the damage.
Even chimney chases covered by siding or shingles can be affected. Just like with masonry, ivy on a chimney chase can also cause cracks and holes to form. Likewise, on these building materials tendrils from climbing vines can cause staining and discoloration that is difficult to remove without damaging the siding itself.
2. Ivy traps moisture
Ivy’s lush, green foliage can create a cover of shade that is difficult for the sun to penetrate. Because of this, water from rain, snow, morning dew, and even sprinklers can become trapped against the masonry. Over time, the combination of water and the holes and cracks created by the ivy’s roots can cause significant cracking and spalling.
In addition to damaging the masonry, trapped moisture can also encourage the growth of mold or mildew. Exterior mold and mildew growth can cause odor both inside and outside your home, as well as affecting your home’s air quality. This can be particularly harmful to those with breathing condition such as asthma or allergies.
3. Ivy invites insects
The same leafy coverage that prevents water from evaporating also provides the perfect home for all kinds of insects. Protection from predators and an abundant food source are just two of the reasons why climbing vines such as ivy can easily become host to insect infestations. Termites in particular have been known to take up residence in ivy; the network of branches, roots, and leaves often give these insects direct access to wood siding or trim around your home.
While ivy might add character or curb appeal to your home, it can also cause significant damage to the exterior. Chimneys, whether they are made of masonry or covered with a chimney chase, are particular susceptible to damage from climbing vines. If your home has ivy growing on the chimney structure, contact Lords Chimney today to learn more about removing the ivy and repairing the damage it may have caused.