Do fallen leaves harm tarmac?

Question

Can the leaves erode or destroy tarmac over time, and if so how many years until tarmac is affected from a fine layer of sporadic leaves?

Answer 1

No they dont i wouldnt worry

Answer 2

leaves themselves won,t harm tarmac but when they start to rot not only do they cause you to slip but when they build up  into a heap then they will act as a trap for wind blown weed spores and soil/dust which together spell DANGER.

eventually the roots will go down through the tar and spread underneath and lift the surface covering through the cracks.

it will depend on weather conditions as to how long it will affect the tarmac if you are in a cul-de-sac or the like then within a year the build up ill be enough to start the process off and depending on the type of weed then it can start cracking within 2/3 years, fireweed  is the worst and one of the hardest to kill off, (long stalk with purple top flowers)

it also depends on the thickness of the original layer.

Answer 3

On their own, no.

However, fallen leaves can collected into a pile can become mulch, and eventually become a medium for weeds, grass, and other plants to grow.  And, the roots of those plants can penetrate and eventually harm the tarmac or pavement.  So, letting leaves accumulate on tarmac isn't a good idea.

Answer 4

No, but they can harm you if you slip on them, or harm your pocket if the postmen does likewise.

Answer 5

no leaves dont harm tarmac.