Reason For Rocks On Roofs

No picnicking or grilling on the grounds vehicle roofs or hoods please.

Reason for rocks on roofs.

The rocks gravel serve several purposes. There are different types and weights of gravel used on flat roofs for these purposes. The stones keep the tar paper in place and prevent it from buckling or blowing away in a high wind. One is to hold water and let the sun heat up the rocks and evaporate the water another to protect the roofing from uv rays which will help the roof last longer and there is also an architectural look that is achieved when building green roofs.

Gravel is used on flat roofs for two reasons. Some buildings have have rocks on the roof of it. There s actually a couple reasons for rocks on the roof. Having slate tiles prevent owners from replacing their roofs every 20 to 30 years for it can reach up to a hundred years with proper installation and regular maintenance.

It is very important to note that the amount of gravel being applied to a roof must be precise it depends on the specific roofing spec being used and the building type. They hold down the tar roof by their weight they prevent uv damage and erosion of the tar and asphalt paper and limit debris that can stick to it. To protect the underlying layer of roofing materials as is the case with built up roofs burs. The gravel prevents sun hail errant baseballs etc from damaging the membrane the all important moisture seal created by the tar paper and tar.

Too much gravel can result in a structural issue due to weight. One of the top reasons why is slate used for roof tiles is that they are environmental friendly. Incorrect installation is often the primary reason roof shingles get blown away. The shingle manufacturer provides specific areas where the installer is required to fasten the nails and if they are not careful while doing their work you may end up having roof shingles that are nailed too high and face the risk of them not being caught adequately by the nails making them less wind resistant.

That s all there is to it. To weigh down or secure the roofing material as is the case with single ply flat roofs. What is the reason for this. Rocks break up snow and ice to prevent injuries from the snow and ice sliding off the roof when the temperature warms up.