White canvas painters tarps

Discussion in 'Shelter' started by Lamewolf, Jan 7, 2013.

  1. Lamewolf

    Lamewolf Guide

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    I was in a local Big Lots yesterday and saw some fairly heavy duty looking white (natural) canvas painter tarps in various sizes and fairly low prices. I know these aren't top notch tarps and are not waterproof, but I'm wondering if any one here has used a canvas painters tarp for a shelter by waterproofing it in some way ? They had a 10' x 12' for around 10 bucks and I'm thinking of grabbing one to play with - anyone got any info on how to go about waterproofing these ? Looks like they would be grat for a lean to or similar shelter.
     
  2. d37fan

    d37fan Scout

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    I have been more than satisfied with the one I got. The very first thing you do is to wash it in HOT water. This will tighten the weave and make it more apt to not leak. I used the boat cover waterproofing from Bass Pro and have been rained on every time I have slept in it except one time, and have yet to get wet from leaking. They are a great way to cheaply get into canvas to see if its for you.
     
  3. Derek2002

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    I have been planning to do this very thing myself. And as d37fan said, I have read that they should be washed in hot water to tighten the weave. I was going to try some waterproof spray and seem how that works.
     
  4. MiddleWolf

    MiddleWolf Guide

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    +1 on the hot water wash. Also, dry on the cotton setting to top it off. Size will probably be less then when purchased so any measuring or cutting should be done after.
     
  5. Old School

    Old School Scout

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    Like the others have said hot wash/hot dry and make what you want. I have made haversaks,pouches,and other bags with good results. I've dyed it colors and waxed it with boiled linseed oil mix and very happy with it. Thinking of making some leggings and a trekkers tarp and waxing them.

    If you are just starting and learning I think it is a good place to start. Just my thought.
     
  6. proud dad

    proud dad Scout

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  7. Seeker

    Seeker Woods Bum Supporter Bushcraft Friend Bushclass I

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    there are a couple threads already going on the topic of waterproofing canvas. can't remember anyone's dang login name though, to help you search! one guy did a pretty funny video of melting his wax in a crock pot (a traditional beeswax, boiled linseed oil, and turpentine recipe) and someone else brought up the thompson's water sealer method.
     
  8. Mountainman_J

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    Thompson Water Seal works great. Just dont use more than two light coatings or it wont allow the canvas to breathe making its sweat inside more if using during winter months.
     
  9. ActsOfTheWolf

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    I got one and did the hot wash and dry, that does help. Then I attached 1" nylon webbing loops in the NW Woodsman configuration and it worked out good. Now to dye and silicone impregnate and it's done.
     
  10. Lamewolf

    Lamewolf Guide

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    Not just startin out, been roamin the woods now for around 45 years and just wanting something quick and easy to get under. I've made all sorts of temporary shelters in the past but most from available natural materials - even slept in small caves. Just thought the tarp would be a light weight option to keep in the pack and I don't like the modern SINthetic tarps much - too noisy !
     
  11. exsailor

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    I used a painters tarp for my first fly. It leaked a little until it got wet and then sealed itself. At one time I tried to waterproof it using a 3M spray can product. It was expensive and not very effective. Later I used a product called "canvac" to waterproof my tent when it started leaking. I got it at "The Log cabin Shop". It is a bit pricey, but effective. Other People have used Thompsons on their lodges, but it tends to get stiff if laid on heavy. I would never spray waterproofing. It doesn't get the penetration or coverage you need. My friend sprayed canvac and it was running off his tent and didn't work. I rolled a 10x15 wall tent with a disposable roller used less than half a gallon and never had a problem.
     
  12. Rubicon_Dave

    Rubicon_Dave Scout

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    I used a Sherwin Williams Painters tarp and did the aforementioned hot wash method. It shrank nicely and works good for summer and snow. I haven't had it in the rain yet but so far so good with nothing more than the hot wash. I live in the Sierra Nevada's and it's very dry in the winters up here so moisture has not been a concern. Add a sew-in stove jack for $30 and it works great.

    Your results may vary if you're in the pacific northwest and getting drenched...
     
  13. Mountain Longhunters

    Mountain Longhunters Tracker

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    Thanks for the idea of using a painters canvas for tarp or even a haversack project. I bought a Rothco brand messenger bag and have already had to repair the shoulder strap. I like doing a little leather work as well so I should be able to some up with a combo idea for a haversack. Thanks again all!!!
     
  14. Pappy Frank

    Pappy Frank Supporter Supporter

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    The first painters tarp I used, I was young and ignorant, I bought it, opened it, and set it up. It never did leak.

    I would advise the boil and some sort of waterproofing though. I saw a tent made from the same thing and the people lost a lot of good stuff in a heavy rain and had to leave the camp a couple of days early because of it. Everything under the tent was soaked.

    I guess I was just fortunate, don't know why. Like I said, I was young and ignorant.
     
  15. brush_loper

    brush_loper Froze to a Tree

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    I bought one of those last spring. They work great. I also picked up a grommet kit at walmart and put grommets at the corners and along the sides for tie points. I haven't done anything else to it. Its been rained on several times and kept the ground under it dry.
     
  16. Joe Willson

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    I'm going to be picking one up of those drop cloths to make a pullover parka. Same idea as the blanket shirts, just bigger and used as an outer shell. Scraps will probably become a seat or some bags.
     
  17. brains

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    I like that idea. I have a tarp in the garage that I set up as a tent/tarp but now I have a BCUSA tarp and I think I will wash the canvas, make the parka and waterproof it. Thanks for the idea. I will need to find a pattern of some sort.
    Thanks
    Ed
     
  18. Joe Willson

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    I don't mean to hijack, but I am going with a simple pattern. Fold the canvas in half. The fold becomes the top, neck and arms. Cut a slit in the center for the neck, then only one seam to sew up each side. I'll look for the video I found on it for a blanket shirt.

    http://www.youtube.com/watch?v=JkMa7MAeZnc
    His fold towards the bottom confuses me, but just remember that the blanket is folded in half and the fold is at the top so when you cut it out the arms are already attached and just need the seam on the underside sewn. I think it will be easier to do than describe. DC also has a video on making a hunting shirt but his sleeves are seperate.
    Good luck.
     
  19. Grillsgt

    Grillsgt Scout Bushclass I

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    This is a tent I made last year, I used mineral spirits and a tube of silicone mixture for the waterproofing.
    I mixed 1 gallon of mineral spirits to one tube of silicone and mixed it until the silicone devolved, then just laid the tent out on the driveway and painted it on with a paint brush, ad let it dry real good.
    This is me sewing some reinforcing strap to the bottom and tie off tabs for stakes
    [​IMG]

    Here are the other pics of the completed tent
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  20. drewdunnrespect

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    might have to find a uk supplier for these they look interesting
     
  21. VaughnT

    VaughnT Banned Member Banned

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    Canvas drop cloths?

    Horrible stuff.

    You cannot make anything out of them. Don't wash them in hot water to shrink them and tighten the weave. Don't use waterproofing spray on them. Don't sew them into whelen lean-to's.

    Complete waste of time. Spend a coupla hundred on "pre-made" factory type cotton tents!

    Yep. That's my story. And it's true, too!

    :nod: :wink:
     
  22. vegasrandall

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  23. nickswan

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    Wow thank you for this, it's just what I was looking for. Heading there tomorrow.
     
  24. riverjoe

    riverjoe Supporter Supporter

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    I bought 10 military WW2 sheets at a garage sale last summer . Really tight weave on em . THinking of coffee staining them and making a tent . I think they may have a linen content but I don't know how to prove it .
     

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