Daltons Coarse Scoria

Grade: 7mm-25mm. Daltons Scoria is an attractive deep-red Scoria stone from Taupo, available in two grades. Used as a ground cover on gardens or as pot toppers. Use under a BBQ grill to maintain an even charcoal heat that enhances flavours. Can also be used to improve garden drainage. 

  • A clean, screened grade
  • Adds colour to your garden
  • Can be used to improve drainage
  • Maintenance-free ground cover.


  • Daltons Coarse Scoria 15L
  • Daltons Coarse Scoria 4L

How much do I need?

Our volume calculator can help you to work out how may bags of the product you will need. You'll need to know:

  • Length of your garden box or area
  • Width of you garden box or area
  • How deep you're going to lay the product
  • Which product and bag sizes you want to use

go to volume calculator


How much do I need?

You'll need to know:

  • - length of your garden box or area
  • - width of your garden box or area
  • - how deep you're going with the product
  • - which product and bag size you want to use

All composts, garden mixes & lawn soils will settle when spread and watered so we recommend allowing for around 5-10% compaction when ordering

Conversion of 6 x 4ft trailer load to cubic metres:

1 x trailer load= 0.7 cubic metres
1 1/2 x trailer loads= 1 cubic metre
3 x trailer loads= 2 cubic metres
4 1/2 x trailer loads= 3 cubic metres

Volume Calculator

Amount Required

Error: Something went wrong calculating the volume. Please check the measurements you have entered.
Warning: This is quite a large volume, are you sure you have entered your measurements correctly and selected the right units?
Compaction allowance:  %
Recommended order volume:   
Calculated volume:   
Where to buy:
Daltons Coarse Scoria can be purchased from*
*Stores are indicative only. Please phone stores for confirmation of availability.