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Deck Screws Sux

Old 05-21-2019, 02:23 PM
  #41  
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Originally Posted by Great Outdoors View Post
Need to use SST screws- the painted deck screws do not last as shown.
Yep. When they switched pressure treatment from CCA to Copper only, fastener corrosion worsened, and steel fasteners aren't recommended anymore---(even though everyone uses them).
Old 05-22-2019, 08:16 AM
  #42  
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I went out this morning to start demolishing the top boards on my deck and, out of the first two 16 foot deck boards, only 5 or 6 of the deck screws actually came out without breaking. Steel square bit deck screws were used to put this deck together and it looks like I am going to be doing a good bit of prying, cutting and cussing to get the top replaced on this thing. UGH!!!

Will be using stainless Spax screws (#10 X 3) for the rebuild.
Old 05-28-2019, 12:00 PM
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Originally Posted by ronyon1 View Post
I went out this morning to start demolishing the top boards on my deck and, out of the first two 16 foot deck boards, only 5 or 6 of the deck screws actually came out without breaking. Steel square bit deck screws were used to put this deck together and it looks like I am going to be doing a good bit of prying, cutting and cussing to get the top replaced on this thing. UGH!!!

Will be using stainless Spax screws (#10 X 3) for the rebuild.
I've always wanted to quote myself!

I had to cut the deck boards with a circular saw and destroy them with a sledge hammer to get them off. So, even though the existing screws were heavily corroded and breaking, they were still holding everything together quite well! I ended up cutting the old screws flush with a Dewalt cordless cut-off tool that made short work of them!

Anyway, The verdict is in; the square head screws are truly superior to the regular phillips head deck screws. I probably stripped about 15 of them (used 20 pounds of screws total) when they hit one of the screw remnants in the support beams, but overall, they went in quite nicely with very few issues using two Dewalt impact drivers with 3.0 ah battery packs.
Old 05-28-2019, 12:11 PM
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We got a bad batch that didn't last a week in a fence, but we thought it may have been due to using PT wood. We tried to tighten them back and the heads wrung right off on a lot of them.
Old 05-28-2019, 02:09 PM
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Never had a problem with GRKs from the box stores.

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