Listen to pullin up by soda 467 173 shazams.
Pullin up minus the roof.
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A friend of mine was asking about screws backing out of his roof and i was curious about your opinion about the cause and the fix.
Total bolt length l minus the length of the anchor.
Snow usually stays for several weeks.
Pulling forces seldom extend more than 18 24 in up the resin column 8 12 13.
His house is in an area that receives 1 3 feet of snow per winter.
Anchorage lengths of 12 18 24 36 and 48 in.
Direct tv need to come up with a better way and get rid of the dish on roofs since it cause damage to the roof when removing.
I was reading fine homebuilding march 2015 and found the article about through fastened metal roofing.
With a lot of help from martin thank you very much.
Roof insulation been there done that.
Lfr l lanch.
I tore the roof off half of this house last fall.
At the lower edge of the roof for example the rafters can experience 240 pounds of uplift minus the dead load of the roof framing and cladding which is no more than 10 lb.
As we head up the exterior walls though there is less building material to resist the wind.
It s a stupid policy if you decide to leave direct tv there should be a service where they will come out and take the dish down without the customer coming out of their pocket to pay a contractor for removal.
If broken bolts can be seen the anchorage was.
Ft or a maximum of 120 pounds at each rafter seat cut.
Roof falls can sometimes provide clues as to the type of bolt failure that took place.
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I may be a bit more enterprising diyer than most but that s probably an age factor be 67 next month so i don t worry about mistakes either i ll fix em or be gone before they matter.