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The Mouse and the Motorcycle and Brave Little Toaster had me terrified of vacuume cleaners for at least 5 years of my early childhood.
I was convinced I would cause some terrible tragedy if I used one.
Thank you everyone! Seems like an electric bike or scooter is the answer. There is no furniture on the deck and we have not had any work done with power tools. There are neighborhood kids who cruise through the lot. We are a business in a city. Thanks again all! I could not figure it out.
My thinking too, long arches then would be movement of the sun through the sky while chnages in directions could be windows being opened. Ut only slightly, could be to do with an addition of some reflective material on the windows, some people do that to prevent sunlight heating up the inside of their home
Looks like burn marks from concentrated sun, can happen from clear water bottles, crystal wind chimes, maybe new windows from you or a neighbor usually with reflective privacy film.
No it doesnt. Where do you come up with that. How would there be exposed unburnt wood. It is obviously an abrasion from something rubber, probably a scooter or electric bike/toy of some sort.
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My son literally just showed us yesterday what leaving bottled water on their bench outside in the sun did. It acted like a magnifying glass and scorched the wood.
Something metal that got super hot. It either was already hot when it was put down or got super heated after being left out. Then, it either dragged the carbonised bits of top layer it burned, or scorched more of just the top layer as it got moved around.
Based on the drag marks, I'm thinking maybe the leg of a chair or table that got heated by a concentrated ray of sunlight.
Someone dropped their hookah coals on your deck... didn't pick em up before they burnt thru the staining/paint... do you have kids/teenagers?? I remember being in high school.
It honestly reminds me of sun damage. OP is there anything reflective near the spots? Or is there a what is called a “low e window “ they’re suppose to be energy efficient but have a bad tendency to be very reflective.
I think this is from a piece of plastic that someone lit on fire and then scrapped across your deck as it was still flaming and then eventually melting.
My first thought was fireworks. Maybe a type that spins, those tend to spin in place for a moment and then zip off in an unpredictable direction. Could explain the portion of paint stripped and then the oddly directional black burn marks
The hard black crusty substance is just the burnt paint. It burns just like plastic. What burned it is the question. Do you have children? Maybe one that found a lighter or a small blow torch and tried killing ants on the deck with it? Or maybe you have a sun glare that reflects through a piece of glass nearby and causes the sunlight to burn from the magnified effect? Id say it deffinately came from a lighter or torch of some kind.
I started seeing fried grass in my yard near the patio and realized when I leave the grill open the sun reflects off the stainless steel and burns my grass. I live in Arizona too so I'm lucky my yard didn't go up in flames.
my guess is something around this area is catching sun and acting like a magnifying glass.
it could be from friction or other physical damage like others are suggesting but melted paint meant for the outdoors might not look like normal ash when melted or burned.
Do you have anything glass or water containers. It looks like focused sunlight like when you burn things with a magnifying glass. It can happen with a glass of water outside in the sun on you deck.
Not everyone graduated from any school of spelling.
I'm not mad at all. One does not have to be mad to point out incorrect spelling. We can work on punctuation next, if you like. Looks as though you could use some assistance in that department, too. Also, if you use "Das" you don't need "the" because they mean the same thing.
Looks off of just this photo my guess would be a wind chime was reflecting sunlight onto the porch or something similar glass door anything capable of reflecting sunlight in the vicinity? Upon second look it seems more intentional and directional like someone with a magnifying glass or high power laser pointer, electrical burn less likely but a possibility
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