UPM Patching - 3 Easy Steps
1. PREPARE Remove all loose
dust, dirt and debris by sweeping with a broom and scraping with a
2. APPLY Shovel UPM into
hole and level out 25% higher than desired depth to allow for compaction.
If patch is deeper than 3", apply and compact in separate 2"
layers. Apply only over solid base, not mud or clay.
3. COMPACT Compact
UPM by driving truck back and forth over patch several times. Rollers
and vibratory compactors generally improve all patch performance. Use
them if available.