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Liquid Nails fail |
Posted by: SkyGlider - 07-24-2015, 02:33 AM - Forum: Home Improvement
- Replies (22)
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When building the door header for my shed, I used a 2x6 that I already had. The 2x6 was slightly bowed (not crowned). I cut 2 pieces from that 2x6 to make the double 2x6 for the door header. Then I put "Heavy-Duty Liquid Nails Construction Adhesive" on one 2x6 in a sine wave pattern all the way down one 2x6. Since the 2x6s were bowed, the center touched with gaps on both ends. I screwed the 2x6's together which removed the bows from them.
About a week later, I changed my mind and decided to use 2x8s for the door header. So I did the same thing to the doubled up 2x8s. In that process, I removed all of the 3" screws from the 2x6 header to use on the 2x8 header.
Well about 2 weeks later, I discovered that the 2x6 header had pulled apart due to the previous bow. The break was on the Liquid Nails so there was Liquid Nails on both 2x6s. IOW, the Liquid Nails itself failed and was not stronger than the bond to the wood.
I have lost confidence in using Liquid Nails. Did I do something wrong? Maybe it was the wrong application for using Liquid Nails. Googling, I notice that others have had things come apart using Liquid Nails.
Do you use a different (better) construction adhesive that comes in a caulking gun tube for gluing things together like for doubling up 2x8s for door headers?
Thanks, Skyglider
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Table Saw Outfeed Table |
Posted by: BAdams - 07-23-2015, 12:20 PM - Forum: Woodworking
- Replies (5)
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That looks really well done. Improved convenience and safety is hard to beat. Speaking of safety, though, you really need to at least put a splitter on it, and a guard would be really, really good, too.
I really like that right tilt Unisaw with the bullet motor, too.
John
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