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Weight of a 50×90 Tyvek Groundsheet?
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Home › Forums › Gear Forums › Gear (General) › Weight of a 50×90 Tyvek Groundsheet?
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Mar 26, 2015 at 6:16 pm #1327306
Anyone have a Tyvek groundsheet laying around that they could weigh?
Mar 26, 2015 at 6:25 pm #2186462I have a new piece of standard Tyvek, and it weighs about 0.2 ounces per square foot. So, your piece is going to weigh around 6 ounces, give or take.
–B.G.–
Mar 26, 2015 at 7:14 pm #2186494Perfect, thanks Bob!
Mar 26, 2015 at 7:25 pm #2186499If you are a gram wienie, you can shift over to a cuben fiber groundsheet to save weight (at a big cost). I think my groundsheet weighs less than 3 ounces.
Money is no object! Don't think about how much it costs. Think about what it would be worth.
–B.G.–
Mar 26, 2015 at 7:26 pm #2186502More information if you like. I have two pieces of Tyvek. One is the standard type which weighs 2.1 ounces/square yard. The other, if I recall correctly, is called kite Tyvek and it weighs 1.5 ounces/square yard. Both probably 10 years old or older.
Mar 26, 2015 at 7:37 pm #2186506There are at least 15 different types of Tyvek.
From 1.2 oz to 3.2 oz per sq yard .
The "kite Tyvek" (usually 1443R) is at the light end (1.2oz)
here is a higher resolution version of the chart I posted some time ago :Mar 26, 2015 at 7:42 pm #2186508Where can you get the 1.2 oz/sq yd Kite Tyvek? Seems like a nice combination of durabilty, ease of handling and weight.
Mar 26, 2015 at 8:05 pm #2186518Mar 26, 2015 at 10:18 pm #2186559As somebody who has received a lot of great advice from this forum I am happy to be able to finally give something back! I just happened to have received a 52" x 90" Tyvek sheet today that I purchased from EBay to stick under my Copper Spur UL2. It is 6.5 ounces.
Adding grommets and some tie-outs got me to 7oz even.
–6th0
Mar 27, 2015 at 12:36 am #2186580OK, I give up.
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