| Tri-Flex 30 | Felt Paper | Water Shield |
| Cost is roughly 56$ per roll | 15$/Roll | $depends |
| 400 square ft. coverage | Covers 400 square ft. | varies but usually 50 ft. rolls of 150 square feet weighing around 60 pounds |
| lightweigth and pliable | lightweight, somewhat rigid particularly in cold weather | heavy but pliable |
| fasten with plastic cap nails | staple or nail | self adhesive or nail |
| polypropylene | tar paper | rubber material |
| walkable after installation | walkable after installation | must be careful when walking on it in warm weather |
| can be a temporary roof for up to 6 months | can only be a temporary roof for very short time | short term roof |
| breathable | somewhat breathable | No circulation thru material |
| lays flat | lays flat | lays flat |
| 20 year manufacturers warranty | No warranty | see manufacturers details |
| Does not tear or crack. Perfect for valleys where tearing is common | Will tear and crack | Will tear under stress. Good for valleys, chimneys, vents, skylights and flashing areas. |
| Water and weather reistant | Will absorb moisture and deteriorate eventually | Water and weather resistant |
Nail felt paper instead of staples when on a steep pitched roof