Pemko has a minimum order requirement. Orders smaller than the required minimum have a longer lead time as we need to consolidate onto a stock order. If you need a faster lead time, simply exceed the minimum order amount.
Pemko 411ASL 42" Automatic Door Bottom with Silicone insert - Mill Finish Aluminum - Full Mortise Mount for 1-3/4" or thicker doors
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I would simply suggest that you order the next longest piece or pieces and indicate in the comment field when adding to cart the net length that you would like for us to ship the material out at.