New lawn underlay
10–15 cm
0–45 cm scale
How Deep Should I Lay Garden Materials?
The most-asked question in the yard, answered. Match your job, set the slider in the calculator, and you're ordering like a landscaper.
Flower beds & borders
10–20 cm
0–45 cm scale
Raised vegetable beds
20–30 cm
0–45 cm scale
Weed-suppression mulching
5–7.5 cm
0–45 cm scale
Playground bark
10–15 cm
0–45 cm scale
Tree pits & specimen planting
30–45 cm
0–45 cm scale
Laying turf
1 roll per m², +10% cuts
Rolls arrive fresh-cut — lay the same day for best results.
Shed & summerhouse bases
10 cm
0–45 cm scale
Driveway & garage slabs
10–15 cm
0–45 cm scale
Fence post holes
60 cm deep
One 20kg post-mix bag per standard hole — two for gate posts.
Know your depths? Now get your quantities.
Calculate how much material you need