Lucas #407 PolyPan Straights are used for sealing around penetrations on all flat roofs. #407 are designed to be configured in a variety of sizes to accommodate various penetrations. Ideal for single-ply applications.
Lucas #407 are constructed from a high strength polymer.
The surface of the roof must be clean and dry. TPO surfaces require the use of Lucas #8015 TPO primer. Using four #408 PolyPan Corners, and, the appropriate number of #407 PolyPan Straights pending on pan size required, push the PolyPan pieces together until you hear an audible click. Assure there is a minimum of 0.5 between pipe and top of PolyPan edge. With Lucas #9600 Sealant, apply three 0.25 ribbons of sealant onto the underside of flange of PolyPan and firmly seat PolyPan onto to roof surface. Use #9600 to seal around outside edge.
Fill PolyPan with a compatible pitch pocket sealant.
Finish: White
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