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Porter Cable 7800 Drywall Sander

 
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Old 12-15-2009, 01:45 PM   #21
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Re: Porter Cable 7800 Drywall Sander


you got to put a sanding pad over that velcro
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Old 12-15-2009, 02:19 PM   #22
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Re: Porter Cable 7800 Drywall Sander


Of course I had a sanding pad on it, but the pad with the velcro on it is thicker than the regular sanding pad and wouldn't let the head of the sander close enough to the wall for the vacuum to suck the dust up. Don't know if it was just the Menards one or what the problem was, but it didn't work. Have been meaning to call All-Wall and ask them about that but haven't done it yet.
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Old 12-15-2009, 03:40 PM   #23
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Re: Porter Cable 7800 Drywall Sander


I use the Norton backing pads and paper with mine and have had no issues.

Trust me, this sander here will make you throw away that Porter Cable:

http://www.festool.co.uk/mediandoweb...69&AKTIVPROD=1
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Old 12-15-2009, 05:09 PM   #24
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Re: Porter Cable 7800 Drywall Sander


you have to put a sanding pad on the velcro
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Old 12-15-2009, 05:47 PM   #25
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Re: Porter Cable 7800 Drywall Sander


Quote:
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you have to put a sanding pad on the velcro
You evidently didn't read my earlier post.
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Old 12-15-2009, 05:50 PM   #26
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Re: Porter Cable 7800 Drywall Sander


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Originally Posted by WarnerConstInc. View Post
I use the Norton backing pads and paper with mine and have had no issues.

Trust me, this sander here will make you throw away that Porter Cable:

http://www.festool.co.uk/mediandoweb...69&AKTIVPROD=1

It looks nice but for $2200 I think I'll stick with the ol' Porter Cable.
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Old 12-15-2009, 06:32 PM   #27
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Re: Porter Cable 7800 Drywall Sander


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Originally Posted by mickey69125 View Post
It looks nice but for $2200 I think I'll stick with the ol' Porter Cable.
No way, the planex is modular, it shortest section for use is about 4' and it can extend to 10'.

The suction is so good, it will hold itself to the wall.

That price is also including the vac.

It is truely light years ahead of anything like it.
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Old 12-16-2009, 10:28 PM   #28
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Re: Porter Cable 7800 Drywall Sander


I picked up a few 25 packs of sandpaper that fit both the radius 360 sander and the PC power sander at sherwin williams for like $0.15/piece or something cheap like that. Were on close out, might wanna check your local stores and see what they have
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Old 01-16-2010, 12:04 PM   #29
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Re: Porter Cable 7800 Drywall Sander


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Anyone use this sander? I've been using one lately and have only been able to find foam pads with velcro on them. After about 15 minutes of use the velco comes off of the pad. Anyone else have this problem?
i love the hook an loop pad s allways had good luck with them but never could use the other type not sure why
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Old 01-16-2010, 12:07 PM   #30
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Re: Porter Cable 7800 Drywall Sander


Quote:
Originally Posted by WilsonRMDL View Post
I picked up a few 25 packs of sandpaper that fit both the radius 360 sander and the PC power sander at sherwin williams for like $0.15/piece or something cheap like that. Were on close out, might wanna check your local stores and see what they have
now thats a great deal the cheapest i can find them here in vt is .80 cents each buy them up while you can
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Old 01-16-2010, 12:09 PM   #31
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Re: Porter Cable 7800 Drywall Sander


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Originally Posted by mickey69125 View Post
Of course I had a sanding pad on it, but the pad with the velcro on it is thicker than the regular sanding pad and wouldn't let the head of the sander close enough to the wall for the vacuum to suck the dust up. Don't know if it was just the Menards one or what the problem was, but it didn't work. Have been meaning to call All-Wall and ask them about that but haven't done it yet.
are your brushes worn down
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Old 01-17-2010, 11:39 AM   #32
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Re: Porter Cable 7800 Drywall Sander


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Originally Posted by Capt-Sheetrock View Post
. . . If your wobbling, you have the pad off center, got to pay attention when you put it on, kep it centered. hitting a box or widow, or anything like that will tear off the pad or wrinkle it making it wobble just like being off center,,, its kinda like balancing a tire, if it gets off balance, you will know it.
I have a PC 7800 and the original model vac. For the record, outside of the increase in speed and quality, it makes working in an occupied home so much easier and cleaner.

Since I don't use it day in and day out, I haven't explored other sandpaper options. With the Norton Velcro backup pad, is it difficult to get the pad and sandpaper centered so that everything is not out of balance? Of course, fighting with that plastic nut every time that I need to change disks isn't exactly the easiest thing in the world, but the disks do seem to center themselves.

I am getting ready to order some more disks, but if the Norton system provides as good a finish as the proprietary disks with less hassle, I'll order them.

Thanks.
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Old 01-17-2010, 12:54 PM   #33
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Re: Porter Cable 7800 Drywall Sander


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Originally Posted by phoney2 View Post
are your brushes worn down
No, the brushes are not worn. As soon as I put the regular disc on everything was fine again. The foam disc just would not let the brushes get close enough to the wall.
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Old 01-28-2010, 12:00 AM   #34
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Re: Porter Cable 7800 Drywall Sander


I had the same problem. I needed some 80 grit pads to sand a textured ceiling smooth.

At home depot they had norton backing pads and hook and loop. As i installed it I noticed that the backing pad was much thicker than the original foam/sandpaper pad I was taking off but didnt think anything of it till i started sanding.

It was horrible. Not even a 1/5 as much dust as normal was collected by the vac, It was bad. Sanding texture creates alot more dust than sanding a skimcoat to begin with and It was like there was no collection. I couldnt even see through the cloud even half the time and there ended up way way too much cleanup. The thick pad made the sandpaper sit at the top of the brushes or slightly above instead of below the brushes so there was no seal to the ceiling and the dust flew out the edges.

What did allwall say when you called them?

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Last edited by gtp; 01-28-2010 at 01:15 AM.
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