I'm not sure, but tell me if this looks right to ya.

m2 is meters squared

Back wall = 1.7m2
Front wall = 1.7m2
left side = 1m2
right side = 1 m2

Total surface area = 5.4m2

mylar sheets = 1.4m2

5.4m2/1.4m2 = ~4 sheets
amdp Reviewed by amdp on . Maths Question Need help quick. I'm buying some mylar soon and I want to buy enough so I coat the small grow space without going over the top. Height 78 3/4 inches (2meters) Width 33.4 inches (0.85 meters) Length 19.5 inches (0.50 meters) Mylar is sold in 1m x 1.4m strips. How many mylar strips will I need to buy without going over. Really need help terrible at maths.:confused: Rating: 5