DMI offers a full line of Marathon Roofing Products One Way and Two Way vents that provide pressure equalization in low slope roofing systems. These one and two way vents are available in Aluminum, PVC or Plastic.

In addition to equalization vents Direct Metals Inc also offers Bullet TPO Boots that are weldable to the PVC membrane to flash plumbing stacks without the need for band clamps or sealant.