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FLEX-O-VENT

UNIVERSAL VENTING MATERIAL

Specially formulated coated polyester has been manufactured from recycled material and is recyclable.

Marco’s Flex-O-Vent™ Universal Venting Material vents, protects and lasts like no other. While polyurethane products constantly expand (as they soak up water) and contract (as they dry out) causing them to disintegrate and fail, Flex-O-Vent offers 40 years of Weather-Tite performance. Its specially formulated polyester, manufactured from recycled material, prevents moisture absorption and holds together to help keep out pests. Flex-O-Vent is also extremely durable, flame-resistant, clog-resistant, and tear-resistant.

Flex-O-Vent is not only an economical choice, it’s a long-term solution that provides plenty of cooling air flow, which is vital to meet building codes, reduce utility costs, and minimize long-term building damage caused by improper ventilation.

  • Won’t absorb moisture, which can freeze and block all ventilation
  • M63 Marco proprietary adhesive for superior hold
  • Easy, one-person installation
  • 40-year limited warranty
  • ASTM testing: D1929, D737
  • Available in 10′ and 20′ rolls and multiple packaging options

Specs

Net Free Area FOV – 1″ free-standing product, NFA 23 sq. in.*
1- 1/2″ x 3″ x 10 Rib heights up to 1-1/4″
1- 1/2″ x 2″ x 10′ Rib heights up to 1-1/4″
1″ x 3″ x 10′ Rib heights up to 3/4″
1″ x 2″ x 10′ Rib heights up to 3/4″
Air Permeability >760 cubic feet per minute
Cold Cracking -55˚ C (-130˚ F)
Tear Strength 3.5 ppi
Tensile Strength 16 psi – Elongation 175%
Compressive Strength 1.8 psi at 75%
Abrasion No Damage

*Effective Net Free Area varies based on product height, panel profile, and installation methods.

FLEX-O-VENT

Our original, most economical polyester-based ventilation product.

Value drives everything we do. That’s why we developed the Marco Weather-Tite System—a comprehensive line of products that offers easy installation, remarkable building ventilation, lower utility costs, extreme durability, and outstanding warranties. Get more quality, more performance and more value … from Marco.

Marco’s proprietary M63 continuous double-bead adhesive is key to quick, easy Flex-O-Vent installation.

  • Step 1: Make sure panel is free of dust and debris. If not pre-cut, cut 2″ slot at ridge. Measure and mark where the ridge cap will sit on the panel.
  • Step 2: Start from the end of the ridge, rolling out Flex-O-Vent along the length of the ridge (both sides), making sure the vent sits “up-slope” from the edge of the ridge cap.
  • Step 3: Apply ridge cap, compressing material between the ridge cap and major rib. Fasten at the major rib using a screw gun set to at least 2700 rpm.
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