Apr 8, 2014 at 1:53 pm #1315430
Does any one have a recommendation for an urethane seam sealer from a non-outdoor oriented company? I'm having trouble finding something similar to the DIY silicone sealer, but for urethane.Apr 8, 2014 at 3:34 pm #2090999
@jbcLocale: Cascade Mountains
You can buy urethane adhesives in bulk if you really need a lot, but it really isn't going to save over a 6-9 $ container of seam grip which usually includes a brush or two. Buying a lot does not make sense unless you need it all at once as the stuff has a tendency to dry in the container unless you remove all the air.Apr 8, 2014 at 4:07 pm #2091007
Brendan SwihartBPL Member
@brendansLocale: Fruita CO
Shoe Goo is basically the same as Seam Grip if that's what you're looking for. Quite a bit cheaper.Apr 8, 2014 at 5:53 pm #2091036
Valerie EBPL Member
@wildtownerLocale: Grand Canyon State
Don't some people here also use auto/RV silicone windshield sealer (diluted w/mineral spirits)?
I don't recall the brand, but I got some at WallyWorld that worked great for sealing a tent window I sewed on…Apr 8, 2014 at 8:58 pm #2091086
Thanks for the replies!
@jim I agree, I don't want to buy a 5 gal pail of the stuff.
@brendan Thanks, I didn't know about shoe goo. Do you think white gas would be ok to dilute it?
@valerie I want to seam seal a PU coated 2006 REI Quarterdome. From what I've been reading, an urethane sealer is recommended. I haven't found people claiming silicone sealer works on PU coated fabrics, but it may very well work, especially on the non-coated side of the fabric.Apr 9, 2014 at 2:44 am #2091124
Donna CBPL Member
@leadfootLocale: Middle Virginia
@valerie….the silicone sealer you are referring to is Permatex flowable silicone windshield and glass sealer. No need to thin it. I've used it on my tarptent straight out of the tube. Works great. Around $3 in an auto goods store.Apr 9, 2014 at 3:05 am #2091127
@rcaffinLocale: Wollemi & Kosciusko NPs, Europe
> Permatex flowable silicone windshield and glass sealer. No need to thin it.
Yup, undiluted, good stuff.
CheersApr 9, 2014 at 3:08 am #2091129
Franco DarioliBPL Member
Silicone should no be used with PU coated fabrics (only on siliconised nylon/silnylon) as polyurethane polymer (Seam Grip) should not be used on silnylon.
Think of diesel in diesel engines and gas/petrol in gas/petrol engines.Apr 14, 2014 at 8:44 pm #2093066
I ended up buying Amazing Goop (the plumbing variety). I made a slurry with white gas and used it on the fly seams and some boot seams.
Thanks everyone for the help!
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