| BEST | |
|---|---|
  TREMproof 250GC with Anti-Root Additive (Installed to a min, 2.1mm DFT) |
|
| Base Sheet | Top Sheet |
 TREMproof 3000 |
 Torch Anti-Root |
 TREMproof P85 with Anti-Root Additive (Installed to a min. 2.0mm DFT) |
|
| BETTER |
|---|
| TREMproof 250GC with Anti-Root Additive (Installed to a min. 1.4mm DFT) |
| TREMproof P85 with Anti-Root Additive (Installed to a min. 1.5mm DFT) |
| GOOD |
|---|
 TREMproof 201/60 with Anti-Root Additive |
 Crystoflex |
 Multithane 2PA80 |
 Duram 195 |
   Multithane STD or Multithane HV or Multithane UVR |
