Thermo-Plastic Olefin

TPO is a reinforced, flexible plastic that also comes in several thicknesses and can be part of a mechanically attached or adhered application. TPO single-ply roofing membranes continue to provide exceptional resistance to ultraviolet and ozone exposure and is a popular choice for "Green" or Cool roofs. This system is hail and high puncture resistant; the smooth, thick top ply membrane adds improved long-term weatherability and durability and minimizes dirt build-up.Ledegar Roofing_Gundersen Lutheran building_TPO-wall panels.jpg

TPO seam strengths are reported to be three to four times higher than EPDM roofing systems. TPO has white, gray, and tan color options as well as custom color options available upon request. White and tan membranes are ENERGY STAR® qualified.

A variety of warranty options are available with TPO systems; typical warranties range from 10-20 years, though warranties up to 30 years are available with certain systems. Options are also available to cover higher wind speed blow off coverage, hail and puncture resistance and reflectivity coverage.

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Mechanically attached TPO systems utilizes white, gray or tan membranes in standard reinforced 45, 60, or 80 mil thicknesses. Insulation is mechanically attached to an acceptable roof deck. Membrane sheets are mechanically fastened to the deck; adjoining sheets are overlapped and joined together with a hot-air weld.

Fully adhered TPO systems utilize white, gray or tan membranes in standard reinforced 45, 60, or 80 mil thicknesses. Insulation, where required, is secured to an acceptable roof deck with either mechanical fasteners or a special insulation adhesive. TPO membrane sheets are fully adhered to the insulation or substrate. Adjoining sheets are hot-air welded.