Any suggestions on how to get rid of these from Block Paving Driveway?

ColdPensioner

B0bbyEwing said:

Is there much point in putting paving sand down?

Bags are expensive.
Never seems to last long.
Acts as a bed for more stuff to grow out of.

I did what's been suggested in this thread. Took time on the drive & brushing in all the sand. Within no time it was in my drain channels. The gaps in the paviours fill up with dust & crap anyway. 

Wrong sand! 

You use blockwork sand, which hardens when wet, and rarely washes away unless some fool jetwashes it

theoretica

I occasionally pour a kettle of boiling water onto a stubborn patch before scrubbing - the nearest thing to chemicals I have felt I need.

FreeBear

ColdPensioner said:

B0bbyEwing said:

Is there much point in putting paving sand down?

Bags are expensive.
Never seems to last long.
Acts as a bed for more stuff to grow out of.

I did what's been suggested in this thread. Took time on the drive & brushing in all the sand. Within no time it was in my drain channels. The gaps in the paviours fill up with dust & crap anyway. 

Wrong sand! 

You use blockwork sand, which hardens when wet, and rarely washes away unless some fool jetwashes it

Polymeric sand, once hardened, is impervious to water - This kinda destroys the one great advantage that block paving has over concrete or tarmac. Block paving (with regular sand) is permeable, so water can drain away through the gaps - If you lay a drive under PD rules, it needs that permeability to comply with regulations regarding surface water run-off or additional drainage within the property boundary.

Kiln dried sand is the right choice for most block paving.

YoungBlueEyes

Funny I just did my drive yesterday morning - I went out with a small sharp knife and cut out the dandelions that were starting. I left the moss and some tiny wee plants that have leaves like clover but are a dark red colour (?) because pretty  

DRP

My neighbour bleaches (yes bleaches) his largeish block paving drive once a year

Apodemus

DRP said:

My neighbour bleaches (yes bleaches) his largeish block paving drive once a year

It's not such a daft thing to do.  Mosses and algae are very susceptible to killing with a mild bleach solution.  Diluted vinegar will do the same thing.

Eldi_Dos

EssexExile said:

The joys of block paving.

Spare a thought for neighbour who regularly gives himself lumbago by spending Sunday afternoon off with patio knife keeping it shipshape.

shiraz99

DRP said:

My neighbour bleaches (yes bleaches) his largeish block paving drive once a year

What's wrong with that. Hydrogen Peroxide (bleach) is really good at killing lichen/algae and cleaning the resulting black spots left on your paving. It's use is quite common.

J63320

YoungBlueEyes said:

 I left … and some tiny wee plants that have leaves like clover but are a dark red colour (?) because pretty  

This pretty weed is probably Oxalis corniculata. It appeared in my previous garden when I started using an organic compost! I suggest you investigate further before deciding whether you really want to let it spread. The BBC Gardeners World website has some useful information

https://www.gardenersworld.com/how-to/grow-plants/oxalis/

Eldi_Dos

Strange publication that, starts off describing Oxalis as a weed and best ways to get rid of it then further down the page describes how to plant up a window box with among other things attractive Oxalis.