Notice that raised curbs have been placed at mechanicals and at the stair bottom. Notice also the black roofing mastic patching around the rooftop HVAC ductwork - I expect there have been leaks into the duct system and possible mold contamination therein.Īt above right is an on-roof service stair on a low slope roof at the Castle Point New York Veterans Administration health facility. Other Examples of Walk-on Roof Surfaces Using Pavers, Boards, Plank WalkwaysĪt above left is an example of an awkward roof hatch access onto a walk-on low-slope roofing.Īccess is necessary for HVAC system maintenance, roof drain maintenance, etc. Adapted with permission from Best Practices Guide to Residential Construction (found at page bottom, Click to Show or Hide). However, because the membrane isĪlso the wear surface, it can be damaged by cigarette Normal wear and tear, direct sun exposure, high winds, andįreeze-thaw cycles. Pros and Cons of Duradek Walkable Roofing Membranesĭurable no-skid deck surface that can withstand Single-ply membranes, the material is self-flashing at abutting Welded with a heat gun, the most critical step. Membrane glues to almost any clean substrate with eitherĪ proprietary contact cement or a special water-based Installation is similar to other single pliesĪnd must be done by factory-certified contractors. Resistance and available in a variety of colors. Stabilizers and additives for resistance to fire, UV degradation,Īnd mildew. Its 60-mil Ultra series, which is warranted against leakageĭuradek is made of reinforced PVC sheet with heat Waterproofing decks, balconies, and outdoor living spaces.įor use over a living space, the manufacturer recommends Sheet vinyl membrane similar to Hypalon but with a nonskid Materials & Installation Advice for Walkable Roofing MembranesĪs explained in Best Practices Guide to Residential Construction (found at page bottom, Click to Show or Hide), chapter on BEST ROOFING PRACTICES:įor rooftops that will also serve as decks (see “ Rooftopĭecks,” page 150 in the printed text Best Practices Guide to Residential Construction), one option is to use a roofing material Walkable Roof Surfaces - Design, Product Sources, InstallationĬarson Dunlop Associates's illustrations (below) compare an EPDM roof membrane installation and a PVC roof membrane installation. We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. This article describes sources and types of walk-on roof surface roofing materials, systems, installation suggestions, and product sources. We have no relationship with advertisers, products, or services discussed at this website. InspectAPedia tolerates no conflicts of interest.
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