BlockadeTM Insect Screen
from Our Unlimited
Our BlockadeTM Insect Screen is an essential tool for your integrated pest management program. In greenhouses and nurseries, it allows you to reduce your chemical pesticide applications and keep your greenhouse productive.This economical screen is designed to keep out a variety of pests while allowing greater air – flow. specific designs for the control of whiteflies, thrips and others are available and installed on greenhouse walls and greenhouse vents. Insect screen is also known as thrip screen, insect fabric, white fly screen, and insect nets.
Characteristics :
- Insect screens for greenhouses must consider air flow.
- Helps keep out a wide range of pests and insects.
- Reduces the need for chemical pesticide applications.
- Reduces down time due to insect reentry problems.
- Designed to give improved ventilation.
- Resists abrasion, cleans easily.
- More economical than metal screen.
- Limited warranty available.
- Works great on propagation greenhouses
- Special designs for research greenhouses and other specialty institution greenhouses.
D.16 PAK BLOCKADE Insect Screen
UV resistant greenhouse fabric. The insect screen filters out larger greenhouse insects. The fabric’s unique design gives it an extremely fine mesh yet with greater airflow characteristics. The fabric is lightweight, durable, abrasion resistant and is available in specific designs for the control of whiteflies, thrips and more. The fabric’s construction ranges from 15×20 to 55×25, and the actual hole sizes range from 43×32 mils to 9.5×29.5 mils.
Special Note: When these screens become wet, their airflow characteristics are greatly reduced. Make sure to factor this in during the design of your structure.
Characteristics:
- Helps keep out a wide range of pests and insects
- Reduces the need for chemical pesticide applications
- Reduces down time due to insect reentry problems
- Gives improved ventilation
- Resists abrasion, cleans easily
- More economical than other screens
- Limited warranty available
D.17 Woven HDPE Insect Screen
PAK greenhouse insect screening is a finely woven, UV resistant, high-density polyethylene fabric. Great care is taken in the production of this fabric to ensure uniformity of weave and strength. The fabric’s construction ranges from 20x2O to 52×52, and the actual hole sizes range from 38×38 mils to 11×11 mils. This is the most dense greenhouse and agricultural screen/net.
Special Note: When these screens become wet, their airflow characteristics are greatly reduced. Make sure to factor this in during the design of your structure.
Characteristics:
- Works very well for vegetable/flower greenhouses
- Blocks many types of harmful insects
- Finely woven, uniform screening
- Long-lasting, UV resistant polyethylene
- Water and air permeable
- Air porosity charts available upon request
| Blockade 1520 | Blockade 3625 | Blockade 5525 | |||
| Const | 15 x 20 | Const | 36 x 25 | Const | 55 x 25 |
| Weight | 3.0 oz\yd2 | Weight | 3.8 oz\sqyd | Weight | 4.9 oz\sqyd |
| Hole Size | 43 x 32 mils | Hole Size | 18 x 29.5 mils | Hole Size | 9.5 x 29.5 mils |
| Repels | Large insects | Repels | Whitefly | Repels | Most Thrips |
| Air flow | High | Airflow | High | Airflow | Medium |
D.01 Ventilation System Insect Screens
for Greenhouse sidewalls and end walls
Insect
screening for intakes, exhausts and vents. The ventilation system of your structure is one of the primary routes insects use to get to your crops. PAK insect screens for exhaust and vents can greatly restrict insect entrance. This lightweight, flexible screening installs on a frame surrounding the fan or vent and helps keep out insects while the fabric’s special weave allows greater airflow and helps to improve ventilation.
Our screens are UV resistant, durable and not affected by most horticultural chemicals. Please contact our staff for information about your
ventilation system’s CFM (cubic feet per minute) requirements 
and the appropriate screen for your application. We will help you analyze your needs and arrive at a solution that is right for you.
Recommended Fabrics: D.16 PAK BLOCKADE Insect Screen, D.17 Woven Insect Screen
Related Products: A.09 Pad and Fan System Shade. B.02 Shadehouse and Greenhouse Weed Control, C.01 Greenhouse Sidewall Curtains
D.02 Sidewall Insect Screens
Insect screening for vulnerable sidewalls. These sidewall screens will make a noticeable improvement in your ability to keep your greenhouses free from a variety of insect pests. PAK sidewall insect screens are made of a fabric which is uniquely designed to improve airflow, so protected greenhouses are easier to cool. This lightweight screen fabric is easy to work with. PAK sidewall insect screens are custom cut and sewn to fit almost any hardware system or structure. They arrive ready to install with 
reinforced edges and UV resistant, monofilament thread. All screens are UV resistant, durable and not affected by most horticultural chemicals.
Recommended Fabrics: D.16 PAK BLOCKADE Insect Screen. D.17 Woven Insect Screen
Related Products: A.03 Greenhouse Sidewall Shade Curtains. C.01 Greenhouse Sidewall Curtains, E.01 Structural Wind Protection
D.03 Roof Vent Insect Screens
Insect screening for mechanical vents. PAK insect screens for roof vents help to keep your green houses insect free. This lightweight, flexible screening installs like a loose accordion surrounding the vent and helps to keep out insects. Custom panel sizing ensures compatibility with almost any mechanical vent system or structure. All screens are UV and heat resistant – very important in the apex of the greenhouse roof where temperatures can soar. PAK insect screen is durable, abrasion resistant and provides a light shade. The special weave of this fabric allows greater airflow and helps to improve ventilation. Please contact PAK for information about your ventilation system’s CFM (cubic feet per minute) requirements and the appropriate screen for your application.
Recommended Fabrics: D.16 PAK BLOCKADE Insect Screen, D.17 Woven Insect Screen
Related Products: A.06 Greenhouse Shade Covers, A.09 Pad and Fan System Shade, C.01 Greenhouse Sidewall Curtains
D.04 Quarantine House Screens
Lightweight insect screen helps prevent insect penetration. Nurseries and farms use our insect screens on their quarantine houses to isolate crops with absolute confidence. The fabric’s unique weave helps exclude a variety of non-indigenous insect pests and diseases and helps prevent their spread. Reductions in insect populations, lower incidence of insect transmitted diseases and less pesticide usage are just a few of the documented benefits that come from using PAK insect screens.
The lightweight, breathable screening also helps protect crops from sun, wind and rain. PAK insect screen is custom cut and sewn to fit any structure. The screen panels arrive on site ready to install with your choice of edge reinforcement tape, 
UV resistant monofilament thread, brass grommets or Velcro edges.
Recommended Fabrics: D.16 PAK BLOCKADE Insect Screen, D.17 Woven Insect Screen
Related Products: A.04 Quonset & Cold Frame Shade Covers, B.02 Shadehouse and Greenhouse Weed Control, C.07 Quonset & Cold Frame
D.05 Quonset Insect Covers. We offer insect screen for
special ground to ground and other simple greenhouses.
Quonset covers help exclude or contain insects. PAK’s custom-made covers are made of UV resistant, woven, light-transmitting material that helps exclude unwanted pests and confine beneficial insects in your quonset or cold frame structure. The material is also breathable, which aids ventilation and helps protect crops from sun, wind and rain. Our covers are made from a lightweight, durable fabric with reinforced seams; UV stabilized, monofilament, sewing thread and optional solid brass spread grommets. Our covers can be made to the specific dimensions of your quonset or cold frame. Pak Unlimited stocks a wide variety of shade nets, insect screens, bee and pest curtains. Pak has the most diverse shade, hail, bird nets and also many types of shade and heat control screens also used for insect protection.
Recommended Fabrics: D.16 PAK BLOCKADE Insect Screen, D.17 Woven Insect Screen
Related Products: A.04 Quonset & Cold Frame Shade Covers, B.02 Shadehouse and Greenhouse Weed Control, C.07 Quonset & Cold Frame
D.06 Insect Isolation Bay Curtains
Create custom isolation zones with these durable curtains. Make the most of your greenhouse space by using PAK insect screen curtains to divide off isolation bays. Our curtains will help give you the flexibility to either isolate or insulate your sensitive crops from insects and insect transmitted diseases. Screened isolation bays also make spraying and pollination easier as well as improve the performance of beneficial insects. These semitransparent curtains are made of a lightweight, breathable material that allows a moderate amount of air circulation and provides a light shade. PAK insect screen curtains allow you to create custom partitions (zones) based on the health requirements of your various crops. The curtains are easy to install and can be fabricated with Velcro or zippered edges to attach to your framework.
Recommended Fabrics: D.16 PAK BLOCKADE Insect Screen, D.17 Woven Insect Screen
Related Products: A.08 Photoperiod System Fabrics. C.02 Zone Heating Curtains, C.03 Greenhouse Sub-roof Fabric.