Opinions about the percentage will vary by roof size type and type of slates installed but for north american slate roofs using american or canadian slates if more than about 25 of the slates on an existing roof need replacement because of the labor cost of working carefully to remove and replace individual areas of bad slate at that.
Slate appearing roofs.
For people who do not plan to ever sell their home the incredible longevity of slate is a highly desirable benefit.
For centuries it s been the roofing material of choice for the world s greatest buildings.
Matterhorn slate metal roofing is authentically crafted light weight fully recyclable energy efficient and forged in steel.
It s the most beautiful and durable roofing material known to man.
A slate roof will easily last over 100 years which is at least double of what other roofing materials can offer.
When replacement is necessary details contributing to the appearance of the roof should be retained.
Our tiles are engineered to be lighter to resist impact and to maintain their color longer.
Many slate tile manufacturers offer up to 100 year warranty on their products.
Affordable genuine slate roofing.
Slate roofs are a critical design feature of many historic buildings that cannot be duplicated using substitute materials.
Slate roofs can and should be maintained and repaired to effectively extend their serviceable lives.
Foliation may not correspond to the original sedimentary layering but instead is in planes perpendicular to the direction of metamorphic compression.
Slate is a fine grained foliated homogeneous metamorphic rock derived from an original shale type sedimentary rock composed of clay or volcanic ash through low grade regional metamorphism it is the finest grained foliated metamorphic rock.
Some homes were created with the promise of a slate roof in mind.
Each panel is comprised of a carbon alloy steel core with hot dipped g90 zinc phosphate anti corrosion coating plus an exterior pvdf paint system.