{"product_id":"johns-manville-expand-o-flash-eej-100-4g-galvanized-expansion-joint-cover-4-in-x-100-ft-ca","title":"Johns Manville Expand-O-Flash EEJ 100-4G Galvanized Expansion Joint Cover, 4 in. x 100 ft Carton","description":"\u003ch1\u003eJohns Manville Expand-O-Flash EEJ 100-4G Galvanized Expansion Joint Cover, 4 in. x 100 ft Carton\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eJohns Manville Expand-O-Flash EEJ 100-4G is a flexible, weatherproof expansion joint cover with a galvanized component, supplied as a 4 in. size in a 100 linear ft carton. The Expand-O-Flash system pairs a flexible rubber membrane with closed-cell foam bellows that extend into an integrated curb cover for a watertight curb in one step. It is designed for curb-to-wall expansion joint openings in commercial roofing assemblies.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultidirectional movement:\u003c\/strong\u003e Accommodates movement in multiple directions as the expansion joint flexes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible bellows:\u003c\/strong\u003e A flexible rubber membrane supported by closed-cell foam forms flexible bellows for the cover.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated curb cover:\u003c\/strong\u003e The bellows membrane extends to form a curb cover, providing a watertight curb in one step.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory intersections:\u003c\/strong\u003e Factory-crafted intersections are available for most needs and can be custom designed for special applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWatertight seams:\u003c\/strong\u003e Special fabrication techniques ensure watertight, clean seam lines at intersecting joints.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle versatility:\u003c\/strong\u003e Expand-O-Flash is designed in a variety of styles to meet different application requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eSpecifications Table:\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJohns Manville\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSell unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 carton, 4 in. x 100 LF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExpand-O-Flash expansion joint covers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlexible rubber membrane with closed-cell foam bellows; galvanized joint cover component\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 in. joint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoverage per unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 LF per carton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 in. joint size, 100 LF per carton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExterior cover for expansion joint openings, curb-to-wall; flexible closure for standard and special applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAssembly\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFactory-fabricated intersections available; custom fabrication for special needs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch2\u003eCoverage \u0026amp; How Much You Need:\u003c\/h2\u003e\u003cp\u003eOne carton provides 100 linear ft of 4 in. expansion joint cover. Measure the total run of joint, including intersections and direction changes, and order factory-fabricated intersections where the joint crosses or changes direction.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003ePart of the Johns Manville Expand-O-Flash specialty roofing product line for curb-to-wall expansion joint applications (Style CF EJ curb-to-wall). Factory-fabricated intersections and compatible JM primers and sealing accessories are available for the system; consult JM details for the correct style.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What is included in the sell unit?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One carton containing 100 linear ft of the 4 in. Expand-O-Flash EEJ 100-4G joint cover.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How much cover do I need for my roof?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Measure the full run of the expansion joint, including all intersections and direction changes, and add factory-fabricated intersections at those points.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How does the cover handle roof movement?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The non-reinforced bellows accommodate multidirectional, geometric and elastomeric movement as the joint flexes.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I get corners and cross intersections?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, labor-saving factory-crafted intersections are produced to fit most needs, and custom designs are available for special conditions.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is the cover watertight?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Expand-O-Flash covers are flexible, weather-proof exterior covers, and factory fabrication ensures watertight, clean seam lines.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What does it pair with?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is used within Johns Manville commercial roofing assemblies at curb-to-wall expansion joints; follow JM transition details for installation.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eExpand-O-Flash is the go-to choice where a curb-to-wall expansion joint must remain watertight through continuous movement. Order factory-fabricated intersections wherever joints cross or change direction, since stress concentrates at those points and factory seams outperform field-made ones. Choose the 4 in. size to match the joint opening and follow the JM transition details for terminations.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eFollow Johns Manville installation details and applicable roof-safety practices, including fall protection, when working at the roof edge.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder the Johns Manville Expand-O-Flash EEJ 100-4G 4 in. expansion joint cover today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Johns Manville","offers":[{"title":"Sold per piece","offer_id":53523910951279,"sku":"JM90000103","price":129.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/expansion-joint-cover-style-cfej-curb-to-wall-2512x1413px.png?v=1790269483","url":"https:\/\/superarbor.io\/products\/johns-manville-expand-o-flash-eej-100-4g-galvanized-expansion-joint-cover-4-in-x-100-ft-ca","provider":"Super Arbor","version":"1.0","type":"link"}