Can you use polyfilla on wood?

Question

I want to fill some gaps and small splits in wooden window frames before painting. Can standard polyfilla or do you need a specific wood filler?

Stephen · Answer

Yes but always pre prime or under coat first I use 2pk car body filler

Dave · Answer

Hi Catherine,
Short answer is yes. Clean out cracks with a brush, maybe even vacuum. Paint some PVA sealant / adhesive onto and into the cracks. Allow a couple of hours to dry, then fill. When it’s dry, Sand down to get a smooth finish. PVA again, then paint.

Michael · Answer

Better to use wood filler but yes you can interior and exterior filler must be used

Andrzej · Answer

it is better to use Wood filler.                    .

Martin · Answer

Hi Catherine. 
Personally I wouldn't use polyfilla for wood as it will not last.
I would use a specified wood filler ie toupret wood filler . Its already ready mixed up in a small tub, so it's easy to use and will sand down well.
Good luck Martin

Leigh · Answer

I would personally use a wood filler has normal filler can crack. I would use a filler called tupret for wood. And chaulk for doorframes

Paul · Answer

wood filler for that. Some use 2 pac resin but you can still use filler if you like

Robert · Answer

Good afternoon.   Wood filler would be the best product to use.  Hope this helps

Michael · Answer

It’s best to use a premixed wood filler available in small tubes sand back the cracks first fill then sand undercoat & top coat should do the job

Ryszard · Answer

It depends on which side of the window you are using it for, if Internal polyfilla will work but you should never use standard, powder-based Polyfilla (like standard interior wall filler) on external wooden window frames. Wood expands, contracts, and is exposed to the elements; standard filler will quickly crack, crumble, and fall out. You need a dedicated wood filler. For small splits, cracks, and gaps in your window frames, the following options are recommended: Two-Part Wood Filler: Widely regarded as the most durable option by painters and decorators. It consists of a filler and a hardener that you mix before applying. It sets rock hard, won't shrink, and can be sanded, drilled, and painted. Popular UK brands include Ronseal High Performance Wood Filler and Toupret Wood Filler. Ready-Mixed Flexible Wood Filler: Excellent for smaller splits and fine cracks. Because it retains some flexibility, it moves with the wood, which helps prevent future cracking. Look for Toupret Touprethane Wood Filler or Ronseal Multi-Purpose Wood Filler. Hope this helps

Can you use polyfilla on wood?

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