Issue 20 - Flipbook - Page 66
Polyhouses, Covers & Spares
COVERS - VISQUEEN POLYTHENE COVERS
WHITE VISQUEEN POLYTHENE COVER
The Visqueen white polythene is renowned for its high shading values and can be
used in a number of applications. With a light transmission of 67-68%, daytime
temperature reductions are significant. This makes this film ideal for shade loving plants,
overwintering, and hardening off of nursery stock.
Other ideal applications are storage cover and livestock housing.
• Thickness: 720g (180mu)
• Light Transmission: 32-33%
• Thermicity: 55%
• Manufacturer’s Warranty: 5 years
CODE
WIDTH
MU
UV
WHITE9.2/600
9.2m
180
High
WHITE11.2/600
11.2m
180
Low
WHITE12.5/300
12.5m
180
Low
Polyhouses, Covers & Spares
GREEN / WHITE VISQUEEN POLYTHENE COVER
Predominantly used in the mushroom growing industry, the use of this film has
increased in other applications such as sheep and poultry houses, general storage and
fish farming.
The white interior of the polythene and green exterior give full opacity and very high
resistance to UV break down.
• Thickness: 800g (200mu)
• Manufacturer’s Warranty: 5 years
WIDTH
MU
UV
GW14/300UK
14m
200
Low
66
CODE
MEASURING YOUR TUNNEL
How to calculate a sheet size for a single span tunnel:
• Determine the width (a) of the tunnel and the length (b)
• Use the table below to select the correct width of the sheet
• If the table is inconclusive, measure the over hoop (c) and add on for fixing method:
2m extra for trenching, 1m for timber batten fixing and 0.75m for grip rail
• To determine length of sheet needed ass length (b) to width (a)
If in doubt please
call JFH on
01270 212726
TUNNEL WIDTH IN METERS
3.1
3.7
4.3
4.9
5.5
6.4
7.3
8.2
8.9
9.2
TUNNEL WIDTH IN FEET
10
12
14
16
18
21
24
27
29
30
33
Trenched (meters)
7.3
7.3
9.2
11.1
11.1
11.1
14
14
14
no
no
Base Rail (meters)
Mid Rail (meters)
7.3
7.3
7.3
7.3
7.3
7.3
9.2
7.3
9.2
7.3
11.1
9.2
14
11.1
14
11.1
14
11.1
14
14
10.1
no
14
VIEW OUR LATEST PRICES AT WWW.JFHHORTICULTURAL.COM
job29812 JFH Horticultural_Section 5 - Polyhouses, Covers & Spares_PROOF v4.indd 66
02/02/2022 12:28