The lifespan of a conventional tarp can vary based on a variety of factors, including material quality, usage, environmental conditions, and level of maintenance. Here are some factors that may affect the lifespan of a conventional tarp:

1. Material Quality: The quality and durability of a tarp depends on the materials used. High-quality tarps generally have a longer service life. Common tarpaulin materials include polyester cloth, polyethylene cloth, canvas, etc., and their durability varies.

2. Purpose: The purpose of the tarpaulin will also affect its service life. If tarpaulins are used in situations such as outdoor events, open-air markets, construction sites, etc. that require frequent set-up and dismantling, they may wear out more easily due to frequent use and have a relatively short lifespan.

3. Environmental conditions: Environmental conditions have a great impact on the life of the tarpaulin. Exposure to harsh weather conditions, such as sunlight, rain, wind, snow, etc., will accelerate the aging and wear of the tarp. Harsh environmental conditions can cause a tarp to fail faster.

4. Maintenance and maintenance: Regular maintenance and upkeep can extend the life of the tarpaulin. This includes cleaning the tarp, waterproofing it, regular inspections and repairing any damaged or broken parts, etc. Improper maintenance can lead to premature tarpaulin damage.

Overall, if you use, maintain, and care for tarps correctly, they will usually last several years or even longer. However, the exact lifespan still depends on the above factors and the quality of the tarp. Generally speaking, high-quality tarps will last longer under the right conditions.