Sealed Bases

Q: My skate skis have some white/grey splotches on the base. Not the whole base but parts of it. I don’t have a Nordic Shop anywhere close to me, I bought these from a shop that’s about 5 hours away.. I have 2 good downhill shops close by, if I need to have them stoneground, will the downhill grinders work on nordic skis? I assume they’re the same, but don’t know. And if the shop can do them, what kind of grind should I have them do?

 

A: From what I see it appears as if your skis need a base refreshener. An alpine shop grinder can do Nordic skis but they should not do your skis as their first Nordic race skis. Nordic skis need to be ground with much less pressure than alpine skis.

So you need to ask them if they have done many Nordic race skis in the past and ask for a cold universal grind? Or you can ship your skis to one of the Nordic grinding specialists if you wish. Or you can try to do some base refreshing on your own.

I would advise you start with the brass, copper, metal brush method. Get the most aggressive of these brushes you have and start brushing the base with moderate aggression from tip to tail. You want to get under the overheated/melted base and open it up, basically tearing it open. Follow this with an aggressive coarse fibertex pad and repeat numerous times. Do a gentle metal scraping to cut off any hairs you have exposed. Follow this with a hot wipe of your softest wax. Repeat all this numerous times and see if the bases look top be improving. if it was a minor burn you should see improvement fast. If it was a major burn you will need much more work, perhaps even sandpaper method or best yet stonegrinding.

– Andy @ SkiPost

***

Yes. I actually did it and it helped a lot. I got rid of almost all of spots. I will try to get them ground next Winter in Lake Placid if I make it up there, but this really helped.

Thanks! Dan


About SkiPost

Cross-Country skiing’s community lodge. Where knowledge and stories are shared. The goal of SkiPost is to make the sport of Cross-Country skiing easier and more enjoyable for all who choose to participate. If you have questions on Cross-Country Skiing email us weanswer@SkiPost.com and visit SkiPost.com

Enjoy Winter,
Andrew Gerlach
Director/Editor- SkiPost

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