The guaranteed duration of the different sheets for greenhouse covers that meet the conditions proposed below are the following:

TYPE OF PLASTIC

DURATION

PLASTIC COVER

THERMAL

42 MONTHS

NO THERMAL

36 MONTHS

THERMAL

36 MONTHS

LONG DURATION

24 MONTHS

THERMAL

24 MONTHS

Table for replacement elements
The quantity of plastic to be replaced in case of premature degradation in all the cases of prior guarantees depends on duration which should be calculated using the formula as follows:

MONTHS OF USEFUL LIFE OF THE FILM TILL BREAKAGE
MATERIAL TO BE REPLACED = 100 – —————————— x 100
MONTHS OF GUARANTEE