Hail Damage To Slate Roof

In this episode of the build show we made an ice cannon to simulate hail hitting a roof.

Hail damage to slate roof.

If you ve recently installed one of our rubber roofs you won t have to worry about hail damage. Smaller hail typically does little damage to slate. In general slates can be perforated by objects either from inside or outside a roof. As shown in this photo a combination of a larger hail and an approximately 100 year old slate roof sustained significant damage as a result.

We shot ice at four roof samples. 30 year asphalt shingles 15 year. As you can see many of these hail impacts punches holes right through the slate. Original slate was poor quality the installation was a side lap single layer of slate and the size of the hailstones.

Any of these conditions could be deemed functional damage if the damage is serious enough. In most cases slate roof tiles are resistant to hail damage and other impact damage. On june 6 2018 hailstones the size of baseballs hit parts of north texas from carrollton to coppell to arlington with significant property damage. Hail is frozen water propelled through the air by the force of wind and gravity and it can damage a slate roof upon impact.

Because slate is a sedimentary stone composed of layers hail damage may appear as a slate with a portion of layers missing. As the sizes of the hail increases so does the potential for big damage. However there are a number of factors that could cause damage such as. The effect of that impact is to either break or puncture the slates and or dent metal flashings.