Two layer systems tend to last approximately 15 years while three layer torch down roofing can last 20 years or longer.
Life expectancy of torch down roof.
Life expectancy and cost.
The lifespan of a torch down roof is one of its main selling points at 15 to 20 years.
This is due to its flexibility in hot and cold temperatures as well as its resistance to water damage.
These are well suited to most climates though heavy rain and snowfall can compromise the life expectancy of torch down roofing systems.
Three layer systems have a base a smooth torch down layer and a torch down layer with a granular surface.
Even though the cost is high its advantages like long life span and resistance to even harsh weather make it worth the price.
The cost is often recouped by its quality aesthetic value and lifespan.
But the installation of this kind of roof can be hazardous and costs more than the conventional types of roofing.
Well unlike other flat roofing options a torch on roofing can only last for 15 to 20 years in an average.
Often you ll hear people use the term torch down roofing.
Modified bitumen roof defects wear signs life expectancy life extension by coating.
Some however can reach until about 30 years depending on external circumstances as well as the maintenance.
Slate shingles can cost as much as four times more than asphalt shingles.
Modified bitumen is also called torch down roofing it lasts anywhere from 10 15 years.
Modified bitumen happens to be the older flat roof material.
A slate roof can last from 50 to 75 years and some will last more than 100 years if installed correctly.
Modified bitumen roof life defects wear common defects life of modified bitumen roof effective roof coatings.
At the cheaper end you ll find thinner metals 26 to 29 gauge with a lifespan of 20 to 25 years.
Sheets are torched down so they adhere to the roof and seams are joined.
If you re a little dismayed here s something you need to think about.
Most of the time torch down roofs lasts up to 20 years.
Torch down roofing is more long lasting than some other types of flat roof systems.
On average these roofs last 12 15 years and represent a great value for most buildings with flat roofs.
A two layer system is made up of one base layer and one torch down layer.
Advantages of three layer torch down roofing.