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Expand-O-Flash Expansion Joint Covers

Expand-O-Flash expansion joint covers are flexible waterproof rubber membrane bellows, supported by closed-cell foam, mechanically fastened or fully adhered to two metal flanges using a patented bifurcation process. Use expansion joint covers as an effective, flexible joint closure for a wide variety of standard and special applications.

As expansion joints move, the greatest stress occurs in the cover at the point where expansion joints intersect, cross or change directions. To ensure maximum flexibility, clean seam lines and waterproofing in these critical areas, JM designs factory-fabricated intersections using special techniques. Close factory tolerance and quality control assures long term performance.

 

CF
(curb to curb)

CF/EJ
(curb to wall)

EJ
(cant to cant)

EJ
(cant to wall)

EJ/WC
(curb to curb)

EJ/WC
(curb to wall)

JM Guarantee
X X X X X X
Factory Fabricated Transitions
X X X X X X
Bellows Material
           
EPDM Black
X X X X X X
EPDM White
Neoprene
X X X X X X
PVC
        X X
Bellows Width
           
4"-12" Standard
X X X X X X
Custom Sizes up to 58"
Flange Metal
           
Galvanized (26ga)
X X X X    
Aluminum (.032)
X X X X    
Stainless Steel (.018)
X X X X    
Copper (16 oz.)
X X X X    
Custom Metal
   
Aluminum Termintaion Bar
        X X
Lengths
           
Ten LF lengths
X X X X    
50 LF Rolls (bellows sizes 4" thru 8" only)
    X X X X
100 LF Rolls (bellows sizes 4" thru 8" only)
    X X X X
Made to Order (100' max)
    X X X X
Roof Material
           
BUR
X X X X X X
Modified Bitumen
X X X X X X
Single Ply EPDM
X X X X X X
Single Ply PVC
X X     X X
Single Ply TPO
X X X X X X
Mounting Substrate
           
Single 2X Curb
X X     X X
Multiple 2X Curb
        X X
Parapet Wall
    X X
Cant Strip
    X X    
 


Expand-O-Flash Expansion Joint Covers

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Product & Sales Information: (800) 654-3103