It consists of foam absorbent material with coated waterproof film on the top.
The sandwich cover has the following features
I. Foam cover (5 or 7)
II. Blue color
III. Isodel 5: 400gr / m 2 , thermal resistance R: 0.132m 2 k / w
IV. Isodel 7: 500gr / m 2 , thermal resistance R: 0.184m 2 k / w
V. Water absorption (53.5428): 0.6% amount for 22 ° temperature
VI.Waterproofness in water evaporation (53122): 0.48 / 2 /24
VII. Temperature stabilizer in normal use = 28 °
VIII. Using the cover at a temperature higher than 30. C reduces its lifespan.
The Isodel Eco manual isothermal pool covers are made of pressed foam under the top surface of a PVC waterproof blue sheet.