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Hello,
I'm trying to prep a bookcase where I need a flush finish between two pieces of MDF (the vertical of a shelf and a 'face frame' piece.
They are attached together with grip adhesive and brad nails, but not as tightly as I might like. Some of them are pretty flush, others have a 0.5mm gap and sometimes misaligned by 0.5mm as well. I've attached a couple of pics.
I think I need to sand them flush, then fill, then sand again. Really grateful for any advice on what approach to take and products to use.
I have some Upol Easy 1 filler, some Morrells fine wood filler and some Repair Care #1 and #4 filler and some Isomat flexible caulk.
I've used the Repair Care #4 to good effect with other things; but it is a lot of work to grind out the 5mm x 5mm channel which is the minimum recommended for it. It will also cost a lot as I've got about 20m worth of this line to hide. Repair Care #1 could be an option, but again, quite pricey - but tbh, I'm up for whatever it takes to get the job done (other than rebuilding the whole thing!)
Unfortunately making the line a 'feature' isn't an option.
Would sanding flat, then pressing Upol firmly into the joint, then sanding again be destined to fail? Or is a small crack just not enough to hold the filler? Would the glazing putty be a good bet after sanding?
Pics attached. Grateful for any advice!
I'm trying to prep a bookcase where I need a flush finish between two pieces of MDF (the vertical of a shelf and a 'face frame' piece.
They are attached together with grip adhesive and brad nails, but not as tightly as I might like. Some of them are pretty flush, others have a 0.5mm gap and sometimes misaligned by 0.5mm as well. I've attached a couple of pics.
I think I need to sand them flush, then fill, then sand again. Really grateful for any advice on what approach to take and products to use.
I have some Upol Easy 1 filler, some Morrells fine wood filler and some Repair Care #1 and #4 filler and some Isomat flexible caulk.
I've used the Repair Care #4 to good effect with other things; but it is a lot of work to grind out the 5mm x 5mm channel which is the minimum recommended for it. It will also cost a lot as I've got about 20m worth of this line to hide. Repair Care #1 could be an option, but again, quite pricey - but tbh, I'm up for whatever it takes to get the job done (other than rebuilding the whole thing!)
Unfortunately making the line a 'feature' isn't an option.
Would sanding flat, then pressing Upol firmly into the joint, then sanding again be destined to fail? Or is a small crack just not enough to hold the filler? Would the glazing putty be a good bet after sanding?
Pics attached. Grateful for any advice!