HORTICULTURE SCIENCE
FLORICULTURE
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Double layer poly should have how much space between layers for proper inflation and full insulation?
|
|
1 inch
|
|
|
12-14 inches
|
|
|
At least 2 feet
|
|
|
6-8 inches
|
Explanation:
Detailed explanation-1: -A good rule of thumb for air inflation levels in double-layer installations is to have 4 to 8 inches of air space between the layers.
Detailed explanation-2: -Some people chose to use a double layer for better insulation. Typically a single layer of polyethylene film has an R value of approximately 0.85. A double poly cover consisting of two layers of poly has an approximate R value of 1.25.
There is 1 question to complete.