It is very common for homeowners to hear creaking sounds from their attic and assume its either a sign their roof is going to suddenly collapse or that there is a ghost or a trapped animal in their attic.
The answer is that it is very unlikely to be any of these things, and actually the result of simple environmental factors affecting your roof, with little to no damage.
This blog aims to explore what is actually happening when a roof appears to creak in the night, and what can be done to prevent it.
What causes a roof to creak?
Ever noticed when a wood floor is lay, its always a big gap around the edges? This is because wood moves with a slight change of temperature.
Every good carpenter knows that it is important to give wood plenty of room to move when building furniture, doors and even building structures. This is similarly the case for the timbers which have been used in a roof structure.
As the day goes, a roof will heat up in the morning sun, and cool down in the evening when the sun sets. The timbers which have been used in the structure of your roof will then respond to the changes in air temperature causing them to expand or contract causing strange sounds from a roof.
What can be done to prevent a roof from creaking?
Although a change in air temperature it won’t necessarily damage a roof, if the noise is becoming annoying to the homeowner, they can opt to have a ventilation system installed to reduce the creaking by trying level out the air temperature in their attic space, which will in turn prevent the timbers from contracting as much.
Increasing the ventilation in a roof can also have additional benefits such as reducing the amount the roof sweats in the winter when the heating is back on, as well as helping to keep a home cooler in the summer months.
When to call the professionals
Ventilation to reduce the sound should always be fitted by an experienced roofer,
Similarly if the roof noises are inconsistent, or starting to sound louder and more concerning, it is always advised a homeowner contacts a professional roofer to survey the roof to ensure it is safe.
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