How many bags of screenings for my back courtyard?

[Joshsara]

I would appreciate if you could let me know how many 20k bags of screening item no 0760532 I would need I am going to lay weed mat under and cover with screening or blue metal item no 0106948 this is a small area at the back of my house in a village 

the area is 1200mx200m 

thanking you

philomena tait

[MitchellMc]

Hi Philomena (@Joshsara). 

The 1 tonne which the bulk quantities come in would be more than enough to cover the area. You will most likely find there will be extra which you can use elsewhere.

Mitchell

[Joshsara]

 The river gravel

Thank you again Mitchell much appreciation I will order the river gravel from Bunnings tmw 

thanks again