Slate Roof And Hail

The first section of the video shows poor repair work from previous contractors on the vermont slate roof.

Slate roof and hail.

But metal clay and slate roofing can also be difficult. Fm 4473 class 4 the highest class rating for hail impact resistance. Hail damage to other types of roofing systems shingles might be the trickiest type of roof to assess for hail damage. However there are a number of factors that could cause damage such as.

Hail damage is primarily displayed as holes with sharp edges in the slate although it can include slates with broken corners or edges. In deciding whether damage is from hail it s important to look at the overall pattern of damage across the roof. And 3 slates installed in a side lap style where much of the roof has only a single layer of slate. This is the only product available that offers a warranty against any size hail.

1 very large hail. In most cases slate roof tiles are resistant to hail damage and other impact damage. The second section of the video shows the affects of hail damage on slate roof. A hailfire roof protects against weather and climate conditions better than any other roof.

The damaged slates should simply be replaced. 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. A roof with a single layer of slate is more likely to develop leaks as the result of a hailstrike. Original slate was poor quality the installation was a side lap single layer of slate and the size of the hailstones.

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. It has been beat to death by the hail but only a few of the slates have been damaged. Hail damage to a slate roof is easily identifiable. However unlike these other roofing materials vermont slate hp is factory warrantied against hail impact damage of any size for the first 20 years.

Natural slate hail testing results the testing was conducted on north american produced s 1 rated natural roofing slate by architectural testing of southlake texas in accordance with factory mutual fm 4473 specification test standard for impact resistance testing of rigid materials by impacting with freezer ice balls. External impacts are not limited to hail but may be from windborne or thrown rocks golf balls or even bullets. Note the aluminum vent above. After that it reverts to the standard warranty for hail of two inch diameter or less for 30 years.