I have a Half Dome 2 plus tent.  I think it's the 2010 model but I bought it used from a boy scout troop that was finished with it.  It is in great shape BUT it leaked on my last campout.  It didn't seem to be just the seams - it overall soaked through from the fly.

I am prepared to seam seal the tent since I know that's a normal thing to do.  However, I don't know where to start since it seems like the whole fly has a damaged waterproof coating.

Suggestions would be appreciated.



Before you seam seal the tent, I would reapply the DWR (durable water repellency) finish of the tent. A tent of that age, it is likely that the DWR is worn off - which happens naturally over time - and that will allow the nylon to eventually soak through. 

Here is an REI expert advice article on care, cleaning and waterproofing your tent. 


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