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My understanding is not. I believe the DWR coating is activated by the heat of the dryer. My suggestion to those without their own dryer would be to go to a commercial laundromat or similar and pay to have your jacket/pants dried. Since one would only do this very occasionally, the benefits should be far outweigh the cost.Great video, but with the assumption that everyone has a tumble dryer. Presumably air drying will be equally efficient? Or not?
I'll preface by saying I'm NOT a pro but the products I use follow this protocol:Thanks jozero! Any comments from the pros here as to whether it is better to spray on the DWR or use it in the wash cycle? I have a marmot precip that I had almost given up on till I saw this. So I think I will wash and dry in the dryer and then -- wash with DWR or spray with DWR? -- and then dry in the dryer again?
Silly me, I had always assumed that non-dryer drying would be better for the jacket. Looks like my outdoor gear intincts are as good as my technology instincts. Thanks again. Buen camino, Laurie
I'll preface by saying I'm NOT a pro but the products I use follow this protocol:
Step 1: Wash with a capful of Tech Wash per item being treated in warm water with cold rinse.
Step 2: When the cycle is done hang the still damp jacket and spray with the DWR until fully covered. Put in the drying until cooked medium well (or follow manufacturers directions!).
Step 3: test in rain before next Camino
I'm sure there are many brands of these products but for what it's worth, I use Grangers and have been very, very pleased with it.
Good luck!
Exciting times! My thoughts are that you've not done permanent harm. Pores are pores and although certain soap may clog these pores somewhat, I'm sure a good washing with a corrective soap will bring it back to clear pores. Consider that many people sweat profusely in the jackets for years and I'm certain their pores are filled much worse with body oils and still these jackets can be brought back to waterproof.As my departure date gets nearer, I am finally focusing on my gear issues. This post has been very helpful, and has showed me that I have been doing all of the wrong things for years. Here is a bit of Marmot-specific detail. I was surprised to find that you should not use liquid detergent to wash your Marmot Precip stuff because it clogs the pores. Either use that Granger wash or a powdered detergent. And dry in a hot dryer. And then comes the waterproofing.
So, I have all the steps down now, but still have a few questions. Do you think that the fact that I have washed my jacket in liquid detergent means I have done irreparable harm? Or will the Grangers wash fix it magically? Is there an advantage to a waterproofing spray over a waterproofing wash?
Thanks guys!
Great video, but with the assumption that everyone has a tumble dryer. Presumably air drying will be equally efficient? Or not?
Exciting times! My thoughts are that you've not done permanent harm. Pores are pores and although certain soap may clog these pores somewhat, I'm sure a good washing with a corrective soap will bring it back to clear pores. Consider that many people sweat profusely in the jackets for years and I'm certain their pores are filled much worse with body oils and still these jackets can be brought back to waterproof.
As to the effectiveness of spray vs. wash-in waterproofing, I lean towards spray only because it seems that close to 100% of the product is actually going (and staying) on the jacket. By default, a wash-in product will coat the surfaces however it seems that much of the product goes down the drain at the end of the wash cycle. I may be wrong in this but it's just how I imagine the process.
Whichever way you go, I hope you'll let us know which you chose and how it tests out before you leave so we can learn a little more as we go!
Buen Camino!
Great questions, Laurie.Thanks, Jozero, ready to go with the washing and waterproofing but I just wanted to check in to make sure I don't mess this up. I have a question about drying the jacket.
I have two bottles of Grangers. One is for washing, one is for repelling (I take it that means waterproofing and it is a spray).
So I first wash marmot precip jacket in the grangers wash. And then move on to the repel spray. What I don't know is whether I should tumble dry after washing and before spraying (knowing that I will have to have the garmet wet again before spraying the "repel" spray). And one other question is whether, once the jacket is sprayed, I should put it in the dryer or air dry. The Grangers bottle says "allow to dry naturally or tumble dry if garmet care label permits."
I now have two marmot precip jackets, neither more than 4 years old, but neither has a drop of rain protection left in them. I know I am at fault for having washed with liquid soap and then left to air dry, two big mistakes.
I am hopeful I can avoid buying another rain jacket so I want to make sure I am as close to correct as possible as I use the Grangers.
Thanks to Jozero and anyone else who might be able to help. Laurie
Great questions, Laurie.
When I use Grangers I wash in the Tech Wash using one cap of wash per piece. This step removes all the oils and clears the jacket pores for maximum breathability. Then while still damp I spray to ensure full coverage with the DWR spray. Then while still damp I put in the dryer and dry at the highest heat the piece will allow per washing instructions. This is the important part because it is the heat that bonds the DWR to the jacket and gives the most protection.
I hope you have the same results I've had!
Good luck,
Jordon
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