Final answer:
The Sikalastic-390/395 system offers better UV resistance, easier application across various climates and temperatures, and improved color stability compared to the Sikalastic-720/745 system. It is also more versatile for different surfaces and conditions, which is especially useful in environments with extreme weather or where long-term appearance is crucial.
Step-by-step explanation:
The Sikalastic-390/395 system typically presents several advantages over the Sikalastic-720/745 system. These advantages include better UV resistance, easier application in terms of climate and temperature, and improved color stability. The Sikalastic-390/395 is also more versatile for different surfaces and conditions, which can be particularly beneficial in environments that face extreme weather conditions or where the aesthetic appearance and performance over time are of high concern.
For example, if you're working on a roofing project that requires robust protection against harsh sunlight, the Sikalastic-390/395 would likely be the more suitable choice due to its UV resistance. On the other hand, Sikalastic-720/745 might be considered for heavy-duty waterproofing needs where UV exposure isn't as much of a concern.
Moreover, the Sikalastic-390/395's application flexibility in a wider range of temperatures makes it a more practical option in locations with unpredictable climate patterns. Additionally, the system's color stability ensures that the surfaces maintain their appearance over time without significant fading.