Expansion Joint Covers
Flexible, weatherproof exterior closures designed to accommodate openings between adjoining parts of a structure.
They manage movement caused by thermal expansion, settlement and the junctions of differing deck materials.
They qualify for a Johns Manville Peak Advantage® Guarantee.
All Specialty Roofing Products Expansion Joint Flashing Details are located within the systems pages or in the Roofing Tools & Resources section of our commercial toolbox. Use our Expansion Joint Covers Reference Guide to learn more about which product will work best for your roofing system.
Expand-O-Flash® expansion joint covers are flexible, weatherproof, exterior covers for expansion joint openings and are an effective, flexible closure for a wide variety of standard and special applications.
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Expand-O-Flash® Style PVC EJ/WC consists of foam supported bellows with integrally attached nonmetallic nailing flanges over which is attached a reinforced PVC cover of sufficient width to weld the entire joint assembly to the PVC membrane.
Nailing flanges are 13/8" (3.
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Expand-O-Gard® expansion joints are flexible waterproof closures for vertical building walls designed to accommodate movement between building components caused by thermal, settlement, wind, flex and seismic forces.
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This partnership combines Expand-O-Flash® by Johns Manville installed over FS5800-F by Thermal Structures, Inc.
Listed below are the key advantages to using FS5800-F enhanced Expand-O-Flash, making our roof expansion joints the clear choice in fire protection.
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