Not sure how to seam seal your MLD tent? No worries, just follow our simple instructions!

Each of our Silnylon shelters comes with one tube of McNett Sil-Net Seam Sealer. It is STRONGLY recommended you use this supplied seam sealer to seal and strengthen the seams of your shelter.

**DCF (Dyneema® Composite Fabric A.K.A. Cuben Fiber) Shelters do not need seam sealed**


  • Pitch your shelter and inspect it for any issues. Once it is seam sealed, it is non-returnable except for significant defects.
  • Use the supplied SilNet Sealer and ONLY the SilNet Sealer. (If you want to dilute it, or use some other common silicone sealant it should work okay (research this yourself online) but, you are on your own- results may vary and are not covered by warranty! If you go this route, it is assumed you know 100% what you are doing and have done it before!)
  • Pitch the shelter tightly. Temperatures should be above 60 F and humidity below 80%. You may want/need to do this indoors. If you cannot pitch your tent indoors, you may also do one seam at a time providing the seam is stretched slightly (pinning one seam from each end on the floor between two heavy objects works.)
  • We use the SilNet straight from the tube. Do not make a big hole in the sealer tube – start small so that you can control flow. Multiple small applications are a lot better than one big smear.
  • Main Seams: Place a small bead on the seam along the stitching. Only work on a 3’- 4’ section at a time. Use a finger to press the sealer into the stitching and the small valley at the edge of the seam where it is rolled under.

You only need to seal the OUTSIDE of the shelter. You do not need to seal the bottom perimeter roller edge stitching. It is okay to add a small bead on the leading edge of the triangle tie-outs reinforcement stitching, but it is not required.

IMPORTANT: Do no go back and forth over the wet seam too much – after a minute or three it will get gummy and look bad; it is better to wait for 8 hrs and then add some over any area you missed.

Secial areas you will want to remember to seam seal include:

MIDS, CRICKETS & SUPERTARPS: Add a little sealer to any tie-out stitching on the middle of a panel.
MIDS: Seal the zipper storm flap stitching and tie-outs.
MIDS, CRICKETS & TRAILSTARS: Seal the stitching and apex tie-outs areas.