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DWR Treatment Options


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  • #1236840
    Nate Meinzer
    Member

    @rezniem

    Locale: San Francisco

    For treating a sleeping bag (nylon-shell), what DWR treatment has worked best for you?

    Haven't heard good things about Nikwax, and from personal experience, Tectron wasn't that great….looking for something stellar, if possible.

    #1506202
    Dan @ Durston Gear
    BPL Member

    @dandydan

    Locale: Canadian Rockies

    I've heard that NikWax is good but because it's waxed based it wears off about 2x as fast as others. I personally prefer spray on Grangers but it's still not incredible. It repels rain when it's light, but under pressure (ie. if I rub my jacket or when I'm on my motorcycle) it still fails.

    #1506205
    Diplomatic Mike
    Member

    @mikefaedundee

    Locale: Under a bush in Scotland

    Nikwax wax based? Only if you use their product for waxed jackets!

    They have various products, including Down Proof for down clothing and sleeping bags.

    #1506206
    Monty Montana
    BPL Member

    @tarasbulba

    Locale: Rocky Mountains

    Nate, glad to hear your evaluation of Tectron as not being that great…I was just about ready to give it a whirl as it sounded like the old Scotch Guard. I've been using Granger's, so I guess I'll just stick with that for now.

    I've avoided applying it to my sleeping bag though for fear that it might damage the down. Any thoughts on that?

    #1506210
    Richard Lyon
    BPL Member

    @richardglyon

    Locale: Bridger Mountains

    You might consider Atsko Water Guard. I haven't used it on a bag but on jackets, gloves, pants, etc I've found it to be as good as Nikwax, and less expensive. Not all that easy to find (Wal-Mart has it sometimes) but can be ordered from atsko at http://www.atsko.com

    #1506221
    Roger Caffin
    BPL Member

    @rcaffin

    Locale: Wollemi & Kosciusko NPs, Europe

    CAUTION!

    There are two sorts of DWR treatment: silicone and fluorocarbon. They are INCOMPATIBLE!

    If you make a mistake and put silicone over fluorocarbon, it will wear off quickly but you will not be able to redo the fluorocarbon either. Be very careful to use the right one!

    In general the factory DWR on most fabrics will be a fluorocarbon, NOT a silicone.

    Atsko make both a silicone Water Guard and a fluorocarbon Water Guard. I like the fluorocarbon one, but do bond it on with an iron.

    Cheers

    #1506222
    Nate Meinzer
    Member

    @rezniem

    Locale: San Francisco

    The bag has no DWR (other than the Tectron I tried on it). It's an REI Kilo Flash and comes with just standard nylon. Soaks up water like a sponge….

    Can you in fact iron on DWR onto a nylon down bag? How does this work without damaging the down?

    #1506278
    Roger Caffin
    BPL Member

    @rcaffin

    Locale: Wollemi & Kosciusko NPs, Europe

    > Can you in fact iron on DWR onto a nylon down bag? How does this work without damaging the down?

    Errr… Ummmm….
    I would not try ironing a down bag myself. I am not sure what it would do to the down, but nothing good I suspect.

    OK, alternative treatment idea. Spray the fluorocarbon DWR onto the bag and then sit it in the hot sun for a few hours. The fabric should heat up a bit. Turn regularly to baste all sides … Caution: I have not tried this myself.

    Cheers

    #1506285
    Ashley Brown
    Member

    @ashleyb

    How about using a hair dryer on a hot setting?

    #1506291
    Roger Caffin
    BPL Member

    @rcaffin

    Locale: Wollemi & Kosciusko NPs, Europe

    > How about using a hair dryer on a hot setting?
    How about on a warm setting?
    I worry about frizzled nylon.

    Cheers

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