How to sand & varnish floorboards part 1: preparation & sanding

Watch our step-by-step video showing how to sand and varnish floorboards, with expert advice and top tips to help you complete the job with confidence.

See the other part in this series:
Part 2: Varnishing

[chloedensham]

I love this channel, everything o search in YouTube there is a B&Q video, everything from guttering, painting, tiling, great channel and such good how to with most questions throughly covered. 👍👍👍👍

[gregaa]

Mix the filler with the dust. It’ll look the same as wood.

[falooo]

Honestly best video I see about floors good quality filming and beautiful presentation

[terry]

do not use filler if you have to fill holes use the dust and pva

[dylangb]

To think I used a manual hand held sander on my bedroom floor pmsl, took a while but there was no rush, looks good tho, thats all that matters

[SamS-jkof]

The drum sander was fitted with a medium grit paper, would you go over it again with a fine grit paper as well?

[natalies]

I just tried to use my edger but the previous owner had a runner with varnished floors on either side. The sandpaper on the edger is turning gunky and leaving scuffs (possibly burns!) on the floor! What's causing this - is it something in the varnish?

[judybrunton]

I notice you only filled the biggest of the gaps between boards not all. Also there appears to be a rather large chunk missing from the surface of one of the boards near to where you are sanding in the last frames. Would I be correct in thinking that one should live with a certain amount of irregularity in the finished surface?

[johnc]

How many dust bags should I buy for an average room 20x20ft? Can't find any info on this. Also how many sheets of sandpaper?

[charlieambler]

Roughly how long would this all take? (asking regarding renting a sander)

[TheMark]

I see none of your floorboards are fixed down to the joists in your fake room. Would this be a good idea to do so?