/ Boring re-proofing question
When I re-proof a insulated synthetic jacket (ME Fitzroy) can I use wash-in stuff or is that likely to compromise the insulation?
Definite answers rather than conjecture please. Ta
Nope it's be fine. Some of the new proofed down is essentially washed in a proofer before being used, if it does no harm to down then synthetic will be fine.
A wash in wont "compromise the insulation", all the insulation does is trap air, if the fibers are water repelant then they will still trap air, they'll just be slightly more resistant to water. The fibers making up the jacket are plastic anyway so wont soak up moisture themselves, but when weaved together they'll hold water. Reproofing them will slightly hinder that effect, although the most advantage will be gained from the water repelency on the outside. The liner being reproofed might slightly reduce the amount of liquid soaked into the jacket if you put it on top of a wet rain coat, however rubbing and pressure are pretty bad enemies of DWR so you might not really notice any difference. It wont reduce the breathability.
You won't go wrong either way, I wouldn't worry too much about it, it's far easier to use the wash in stuff and you get better coverage imo. I'd do that, if I ever got round to washing my belay jacket that is.
P.S. conjecture and ukc discussions of reproofing go hand in hand I'm afraid
After treatment put the jacket on a radiator which will improve the beading properties.
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