What is a cheaper substitute for Rigid Foam Boards for Insulation
I have an inflatable hot tub that I'd like to insulate similar to this video - https://www.youtube.com/watch?v=d-4G2AWKRdk However the R10 boards used in the video are $70 each at the cheapest store I can find and I'd need 6. Are there any other materials which could be used to make a similar structure and offer insultation at a lower price point? Thanks submitted by /u/Todd-the-T1000 [link] [comments]
I have an inflatable hot tub that I'd like to insulate similar to this video - https://www.youtube.com/watch?v=d-4G2AWKRdk
However the R10 boards used in the video are $70 each at the cheapest store I can find and I'd need 6.
Are there any other materials which could be used to make a similar structure and offer insultation at a lower price point?
Thanks
[link] [comments]