Super-mega virgin high-density #polyethylene #geomembrane of 800 μm costs AR$629 per 7 m²; it comes in 7m×100m rolls, so you can get humongous sheets of it, although you need to plastic-weld it as shown if you want to do a waterproof installation of more than 7m width. #materials
on 02016-06-22Transparent 200-μm #polyethylene film is pricier than the black, probably because it’s not recycled: AR$1289 per 2m×50m roll (AR$12.89/m²). This is also for agricultural use; it’s not especially stretchy or sticky. It would be suitable for reducing airflow around a solar heat collector, if you don’t mind replacing it every month or two. #materials
on 02016-06-22black 100-μm #polyethylene film (presumably recycled) for agricultural use costs AR$440 for a roll of 2m×100m, AR$2.20/m², even cheaper than paper. #materials
on 02016-06-22Black 200-μm recycled #polyethylene film for agricultural use costs AR$1288 per roll, 4m×50m, for AR$6.44/m²; weighs 22kg, so that’s AR$58/kg. Sold retail by Ferretería Pompeya. #materials
on 02016-06-22Also you can buy green recycled high-density #polyethylene for AR$20/kg in 25-kg bags. #materials
on 02016-06-22Pelletized recycled high-density #polyethylene costs AR$20/kg in 25-kg bags. #materials
on 02016-06-22