Quadcab:

I haven't been able to tell that the anti drip does anything. I've been buying that type and mine still drips. But it might help and doesn't add to the cost from what I've seen.

The important features are UV protection which gives 4 yr service. The IR feature is very good. That diffuses some of the light, 25% on the poly you pointed out. And it reduces heat loss slightly at night.

I'd buy that poly if the price is competitive.

Check out the Solar Ice poly film Robbie referenced above in another post at Green.tek and linked elsewhere below.

Here is a link that might be useful: Solar Ice

This post was edited by fruitnut on Thu, Jan 17, 13 at 16:45

Thank you for your advise.

I decided against the solar ice film, because I use the greenhouse in the early spring only, so I want as much heat as I can get. I also want the anti-drip film, because I grow tomatoes, which get disease when they have wet leaves. A lot of crops besides tomatoes don't mind getting dripped on, which is why they sell both kinds of poly.

I'm just about to order some greenhouse film from my local wholesale greenhouse supplier. I put a link to it below. Shipping is a killer so if at all possible you want to find a local supplier.

Here is a link that might be useful: Poly from Hummert