A major exhibition commemorating the 350th anniversary of the great fire of london opens 23rd july 2016.
Identify foot trafficdamage on a clay tile roof photos.
Before getting on the roof first verify whether it is safe to do so.
However differentiating whether the tiles are clay or concrete can be difficult unless you know what to look for.
Clay tile roofs are often damaged by foot traffic ice and snow or by severe storms.
Our photo left shows the author df back to camera examining a clay tile roof installed on the hwang lim won orphanage in seoul korea in 1966.
They normally offer a very long roof life with some clay roofs lasting for generations.
Tile roofs tend to be the most expensive upfront for both materials and labor.
Museum of london uk.
Whether a structure has an asphalt shingle metal clay or concrete tile roof walking on the roof for seasonal inspections and cleanings is inevitable.
Severe impacts or forces such as a tree branch or a heavy tool dropped onto a roof can crack or break roof tiles.
The tile roofing institute recommends stepping at the bottom 3 inches of the installed tile orienting your feet in a direction parallel with the ridge and staying away from hips or valleys to.
A museum conservator holds a clay roof tile distorted and bent in half by temperatures over 1500 degrees c caused by the great fire of london in 1666.
Clay and concrete roof tiles are susceptible to damage from foot traffic and clay tiles especially can be slippery if wet from a recent rain or morning dew.
Often times roof tile manufacturers do not.
Clay tile roofing material is costly to purchase and install but it can have an indefinite life expectancy.
Slate for example can range from 1 000 to 2 000 per square a 10 foot by 10 foot patch of roofing installed and.
Here s a clay tile roof looking down from above.
Clay roofing tiles have been used in europe the middle east and asia since the greek and roman empires and the americas since europeans arrived there.
Hail damage to a clay tile roof.
Our page top photo shows clay roofing tiles installed in patzcuaro mexico.
While roof tiles are designed to perform well in hail regions they may be damaged in severe hail storms producing hail stones larger.
Foot traffic along a roof valley broken field tile corners people tend to walk up a roof along the valleys which results in the observed damage above.
However when it comes to tile roofs in particular there is a proper way to walk on the tiles in order to avoid damage.
Clay roof tiles are available in a variety of shapes colors textures and sizes.
Clay roof tiles also called terracotta roof tiles have been used for ages.