\DIY/ $378 From tatami to flooring Challenge to the lowest price of heat insulation

DIY JP channel

This time my friend in the village bought an old-built house, so I changed the tatami mat there to a flooring ♪ It's DIY, so I have the materials prepared, but I'm a complete volunteer ^ ^♪ Mamoru's hope is a solid floor, the lowest price 2 points I tried this with home improvement materials ^ ^ ▼C