If you re a little dismayed here s something you need to think about.
Life expectancy of torch down roof.
Modified bitumen roof life defects wear common defects life of modified bitumen roof effective roof coatings.
Advantages of three layer torch down roofing.
Modified bitumen roof defects wear signs life expectancy life extension by coating.
Modified bitumen is also called torch down roofing it lasts anywhere from 10 15 years.
On average these roofs last 12 15 years and represent a great value for most buildings with flat roofs.
The lifespan of a torch down roof is one of its main selling points at 15 to 20 years.
These are well suited to most climates though heavy rain and snowfall can compromise the life expectancy of torch down roofing systems.
This article describes common defects found on modified bitumen roofs such as buckling cracking granule loss improper installation details leaks.
Often you ll hear people use the term torch down roofing.
But the installation of this kind of roof can be hazardous and costs more than the conventional types of roofing.
Slate shingles can cost as much as four times more than asphalt shingles.
The cost is often recouped by its quality aesthetic value and lifespan.
Most of the time torch down roofs lasts up to 20 years.
Three layer systems have a base a smooth torch down layer and a torch down layer with a granular surface.
High end metal roofing 22 to 24 gauge is popular in northern regions due to its ability to send.
Even though the cost is high its advantages like long life span and resistance to even harsh weather make it worth the price.
A two layer system is made up of one base layer and one torch down layer.
A slate roof can last from 50 to 75 years and some will last more than 100 years if installed correctly.
Some however can reach until about 30 years depending on external circumstances as well as the maintenance.
This is due to its flexibility in hot and cold temperatures as well as its resistance to water damage.
Two layer systems tend to last approximately 15 years while three layer torch down roofing can last 20 years or longer.
In terms of contribution to global climate change based on independent research with a 15 year service life four torch on roofs would need to be installed before the first one will have reached its calculated carbon neutral break even point of just under 55 years.
At the cheaper end you ll find thinner metals 26 to 29 gauge with a lifespan of 20 to 25 years.
Torch down roofing is more long lasting than some other types of flat roof systems.
Sheets are torched down so they adhere to the roof and seams are joined.
