By continuing to use the website or clicking Accept you consent to our cookies and personal data policy and confirm that you are at least 18 year old. For details please see Privacy Policy and Terms
Could always hang, mount, tape or figure out some way to put "Mylar" up. Providing a link to give you an idea of what I'm talking about.
https://www.amazon.ca/VIVOSUN-Mylar-Diamond-Highly-Reflective/dp/B01N7P96NN/ref=sr_1_1?keywords=mylar+thick&qid=1587511526&sr=8-1