Which Durablocks to buy kit or ???

[fastwayfirebird400]

Hey guys I'm nearing the end of doing all the metal work on my 69 Mustang Mach 1. After I lay some filler, spray Epoxy Primer and Primer surfacer I will need to start blocking, I see the 6 piece kit but it does not include a 30" block (size almost seems unmanageable) I'm sure I will end up using all at one time or another. I'm just curious what you guys have to say about them.

[another2centsworth]

6 piece is the way to go. I have the teardrop too. Bought an extra round one and cut it in half. Then cut one of those in half.
Hutchins long board is great too!!

[Wydir]

I bought the 7 piece set they work good . I agree with timbo on the hutchins long board they are worth every penny

as for the 30" board I can't say I dont own one.

[Len]

I bought the 7 piece set they work good . I agree with timbo on the hutchins long board they are worth every penny

as for the 30" board I can't say I dont own one.

We have almost every power board, straight board, Dura Block and Adjustable Flex sander you can imagine and we rarely use anything but the Dura Blocks and the IR Straight Line Sander. We now use Indasa Sandpaper on all of these tools because it's less expensive than others and hold up quite well for the price.

[baubau]

i will back up what Len said...i also own all kinds of power sanders , long boards and sanding boards....

My dad and I in the shop almost always use Dura Blocks to get panels straight, and yes, we use Indasa Redline Paper in 40 grit and 80 grit because it is the best paper for the money spent..I especially recommend Indasa 40 grit paper, it lasts a very long time..
Dura Blocks possess excellent ratio of rigidity and flexibility at the same time...
I have that long 30 inch Dura Block sanding board and i have used quite a few times when blocking large repairs on doors and roofs..it is an excellent tool to have and it saves time..

[fixdent]

What grit sandpaper can you use with the durablocks, and how does the sanpaper attach.

Are they hook and loop, adhesive...??

Thanks,
Gordon

[Bob K]

They are foam rubber that is quite hard. They can bend to some degree. Use shorter blocks where the panel is curved in two directions. You should be able to use any grit paper that you have that is PSA. I inventory rolls of 80, 180 and 400 adhesive backed paper for use on my Dura-Blocks. I also use the smaller blocks with 3M Wet or Dry paper where I cut the sheets into quarters and just fold the paper over the edges of the block and hold it all together with my fingers when wet sanding.

Bob K

[autobodytech43]

another aspect that makes them great is that since it's semi hard it fully utilizes the grit when you're sanding. Use a harder block and sometimes you'll feel like your grit isn't sanding as it should. Maybe it's just me but it feels that way to your hands when you're blocking. Love the dura blocks. another2centsworth mentioned a good set up. I did the same thing but also have the skinny square one(11") cut up as well. I notice they're great on compound curves where most people would go with a soft block but with the skinnier square block if your block is angled the right way you won't cut into compound curves AND your block won't just ride the imperfections like a soft block, it will cut it flat instead.

[Len]

What grit sandpaper can you use with the durablocks, and how does the sanpaper attach.

Are they hook and loop, adhesive...??

Thanks,
Gordon

We have fallen in love with the Indasa PSA paper because it works great and it's low cost. Unlike some other brands the Indasa paper has a protective paper over the adhesive so it can be used on Dura Blocks or clip-on boards.

Indasa Rolls LINK