Hail Damage To Slate Roof

We shot ice at four roof samples.

Hail damage to slate roof.

The effect of that impact is to either break or puncture the slates and or dent metal flashings. In this episode of the build show we made an ice cannon to simulate hail hitting a roof. Smaller hail typically does little damage to slate. As you can see many of these hail impacts punches holes right through the slate.

Hail is frozen water propelled through the air by the force of wind and gravity and it can damage a slate roof upon impact. This condition would be considered functional damage only if it were severe. 30 year asphalt shingles 15 year. Original slate was poor quality the installation was a side lap single layer of slate and the size of the hailstones.

Slate tiles may be punctured cracked or broken by hail. 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. As the sizes of the hail increases so does the potential for big 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.

However there are a number of factors that could cause damage such as. Vermont slate hail proofroofs are warrantied against any size hail for the first 20 years and another 30 years for a hail of two inch diameter or less. 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.