Jump to content
Sign in to follow this  
sherb

Help...how To Keep Slap Plates Flat

Recommended Posts

i would like to know how to keep slab built plates flat in the center... mine keep warping.

sherb

 

 

Hi, you can be lucky they don't crack. Your best bet is to dry them soooo slowly (3 weeks at least) under plastic with stones on top in the middle so they keep flat. Your best bet is to turn your plates on the wheel. It is fun ! Always dry very slowly. Have fun !

Share this post


Link to post
Share on other sites

i would like to know how to keep slab built plates flat in the center... mine keep warping.

sherb

 

Do you use a rib and compress your clay in the center, hand building is just like throwing compression compression compression. Hope this helps. Denice (Wichita, KS)

Share this post


Link to post
Share on other sites

i would like to know how to keep slab built plates flat in the center... mine keep warping.

sherb

 

 

 

For my birthday a few years ago, my friend and potter extraordinaire made me some sandbags to keep my plates flat while drying. She used pieces of an old sheet cut into various sizes and poured sand in the middle then tied them with electrical ties. The sand absorbs the water and the weight keeps them flat. Works like a charm... They have become a staple in my studio.

Share this post


Link to post
Share on other sites

Minimizing/eliminating slab warps begins with making the slab. If you use a rolling pin, be sure to roll in all directions, perhaps rotating the slab 90 degrees at a time. On a slab roller, you might be able to rotate the slab for a second pass through on the roller. When I remove canvass texture from a rolled slab, I use a large plastic drywall tool that allows me to compress the slab; I compress from all different directions -- lef to right, top to bottom, even circular. You can also use a squeegee to remove canvass textur.

 

When removing a slab from the canvass, I put a piece of clean newspaper on top of the slab, then put a wareboard on top. I then tuck the canvass over the wareboard and flip the slab.

 

Minimizing the handling of the slab helps prevent warpage and distortion -- don't handle or flip the slab more than is absolutely necessary. Once the wareboard with slab is placed on the worktable, I generally take a rolling pin and roll in each direction, along with removing the canvass texture from the second side.

 

Another approach is to transfer the slab to the wareboard and drop the wareboard/slab onto the floor -- a drop of a couple feet is generally enough to compress the slab.

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
Sign in to follow this  

×