Polycarbonate vs Polyfilm Greenhouse Covering

摘要

So, you have decided to build a greenhouse, but you are confused about which type of greenhouse covering would be best for you. Let's look at some of the pluses and negatives of polycarbonate sheets and polyfilm coverings. We will discuss R value, installation, cost and lifetime expectancy.R ValueR value is defined as a materials ability to resist heat flow. The higher the R value, the less energy it will take to heat the same size space under equivalent conditions. This may or may not be a concern to you depending on how you are going to use a greenhouse.