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Forums › Home Workshop DIY › Can you repair chipboard?
rscole86

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#316171 22-Sep-2024 13:00
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Can I use PVA to help prevent my chipboard flooring from flaking?

I've had a bottle leak into the flooring in a closet, which caused about 100x50mm of the chipboard to swell. I've taken the the loose stuff, and roughly still have 2/3 of the original board left.

I tried pushing a small screwdriver through it and it can't penetrate it, and as it's halfway towards the back of a 500mm wide closet, I'm happy there won't be any weight placed on it.

I was thinking something like 50/50 PVA and water, or do I need a wood hardener?

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rscole86

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  #3287253 28-Sep-2024 10:26
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Handle9: Either leave it alone or patch it.

A patch is going to be quicker and better than trying to much around with glue etc.

Cut a square back to the joists with a multitool, put in some blocking between the joists then screw and glue in a patch. It’ll should be able to be done in an hour or so.

 

As I do not own a multi-tool, a quick glue/polyurethane will be quicker and cheaper.

 

Goosey:

 

Rising damp…..

 

if you don’t effectively deal with it appropriately then the rising damp would become more of an issue here. (And cause a dampness issue in a closed dark closet).

 

is there any barrier underneath at the moment ?  (Building paper or poly).

 

 

Its the floor of the second story, so rising damp is not a problem.

 

eracode:

 

Another vote for Builders Bog. Remove the damaged, raised part of the chipboard back down to just below the true surface, using a chisel. Apply the bog with a spatula to fill back up to true level. Bog is easy to work with so you should be able to get it pretty well right first time. If not, sand it flush (or add some more bog, if it's too low) - but I guess that's not too important because the area is not going to be seen.

 

Given the very small and hidden area, IMO this is an excellent and easy solution and is exactly the sort job that bog is made for - "Replaces rotten or missing wood".

 

 

 

 

Builders bog sounds perfect, tho I will need to use the compete CRC ados product, as Mitre10 is our only local and they have no stock of the Turbo product.

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