How can you tell if a fabric is down proof? (Is there an easy way ?)
How can you tell if a fabric is down proof? (Is there an easy way ?)
FYI: If you want to know what type a certain bear is, sneak up behind it and kick it. Then,
run like crazy and climb up a tree. If the bear climbs the tree and eats you, it's a black
bear. If the bear just pushes the tree over and eats you, it's a grizzly bear : )
Do not walk behind me, for I may not lead. Do not walk ahead of me, for I may not follow. Do not walk beside me, either, just leave me alone.
--unknown
Surest way is to buy your fabric from people who know what they are selling and specialize in outdoors products. Vendors on the forum come to mind as examples. If the fabric is "calendered" it is usually down proof. Calendared fabric is rolled between hot rollers to flatten the weave and fill in some pores. One side will be kind of shiny. The other side will be matte. However, there are other things that will cause that appearance as well. Finish treatments and water coatings can have much the same look.
The quality of the down also plays a part. Cheap down has more quills and needs a tighter weave to keep it in encased. Highest quality down is mostly puffy and has very few quills.
The final way to check, but not my recommendation, is to make the project. Load in the down and do the hokey pokey with it. If the down gets away it is not down proof.
I may be slow... But I sure am gimpy.
"Bless you child, when you set out to thread a needle don't hold the thread still and fetch the needle up to it; hold the needle still and poke the thread at it; that's the way a woman most always does, but a man always does t'other way."
Mrs. Loftus to Huck Finn
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