M-D Building Products 67109 72 in. Mill Aluminum Snap-on Sill Threshold Extender;
M-D Building Products 67109 72 in. Mill Aluminum Snap-on Sill Threshold Extender

These M-D Building Products in swing sill extenders are for TH394 and TH397 style sills. They fit sills 2-Inch deep and 72-Inch wide.

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These M-D Building Products in swing sill extenders are for TH394 and TH397 style sills. They fit sills 2-Inch deep and 72-Inch wide.

  • Made of durable aluminum
  • Used to extend inswing sill type thresholds
  • 2 in. W x 7/16 in. H x 72 in. L
  • Mill color
  • Easy install, snap into existing grooves on M-D sill thresholds
  • Cut with hacksaw to desired length
  • Installs onto M-D items 76281 and 78618
  • Made of durable aluminum
  • Used to extend inswing sill type thresholds
  • 2 in. W x 7/16 in. H x 72 in. L
  • Mill color
  • Easy install, snap into existing grooves on M-D sill thresholds
  • Cut with hacksaw to desired length
  • Installs onto M-D items 76281 and 78618

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