What type of damage would you expect on a slate roof when it is hit by baseball sized hail.
Hail damage on slate roof.
Many times slate roofs will have hidden damage.
Clay and slate roofs will usually have cracks or gouges when the stones hit while metal roof repair will show dents from the impact of the hailstones.
Roofs with multiple shingle layers may be damaged by smaller hail stones due to a softer support surface directly under the top shingle layer.
Slate tiles may be punctured cracked or broken by hail.
Shingles might be the trickiest type of roof to assess for hail damage.
Because slate is a sedimentary stone composed of layers hail damage may appear as a slate with a portion of layers missing.
Courtesy of joe jenkins inc.
In most cases slate roof tiles are resistant to hail damage and other impact damage.
If your roof contains one layer of common asphalt shingles it usually takes a 1 or above diameter hail stone to cause damage roof hail damage.
It has been beat to death by the hail but only a few of the slates have been damaged.
My question is about a formula amica used to determined the amount of hail damage in order to replace the roof the adjuster wrote to me saying in his letter the roof replacement is determined by the amount of damage on each slope and there was one minor hail strike damage found on the front slope so the replacement roof needs at least 8 hail strikes to any 100 square foot test area based on.
Original slate was poor quality the installation was a side lap single layer of slate and the size of the hailstones.
Hail damage is not typically visible to the eye from the ground.
1 very large hail.
2 thin soft or deteriorated slates that are relatively fragile such as older pennsylvania soft black slates.
Having a qualified contractor get on your tile or slate roof will help reveal the hail damage.
However there are a number of factors that could cause damage such as.
Hail damage to a slate roof is easily identifiable.
Any of these conditions could be deemed functional damage if the damage is serious enough.
Just because you don t see broken roof slates does not mean you don t have damage.
But metal clay and slate roofing can also be difficult.
It has been our experience that hail damage requires an inspection on the roof.
Extent of hail damage to slat roofs july 10 2011 rich said.
Although slate tends to be durable and resistant to hail damage there are three primary conditions that will maximize hail damage to a slate roof.
Hail damage is primarily displayed as holes with sharp edges in the slate although it can include slates with broken corners or edges.
The roof was installed in 1955 and the hail storm happened in 2006.