One of the questions we received last week:
Dear Wood You Like
I have just discovered under carpet a floor of oak wood blocks (in a herringbone pattern and in a generally good condition). The location is the hallway (approximately 9 square meters).
80% of the blocks were loose so I have lifted them all and cleaned them as much as I can, however I haven't been able to remove the bitumen (which is generally only a thin layer) that held them to the concrete floor.
Once I have relaid them I would like to sand and satin a lighter more even colour.
My questions are:
1. What can I use to re-stick them to the floor that will ensure adhesion, ease of application and fairly quick use afterwards. I have had variuous suggestions that include: Everbuild Pink Grip grab adhesive; Everbuild 908 DPM; Ruberoid syntheprufe; Laybond L17 Woodblock. What would you recommend of these or of any other product?
2. What dye/stain product would you advise?
3. What method of gap filling (and product) would be best?
4. What sealing product to maintain a hard wearing finish?
Thank you. I look forward to hearing from you.
Mr G.B.
Our answer:
If there is only a thin layer of bitumen left on blocks and underfloor it is best to use Lecol5500 F.Ball B91
Be aware that the residue of bitumen will increase the time it takes for the adhesive to bond properly. Normally it takes around 6- 8 hours, it could take up to 24 hours or longer when there is bitumen involved. So be careful when walking on it and when sanding the floor.
As for the finish layer, we recommend a coloured HardWaxOil, this gives a long term protection and a natural look, no matter what colour you use. It stains and seals the wood in two layers - no other products needed.
For filler (to be mixed with sands-dust of the second sanding) we recommend Pallmann Pall-x-Kitt or Bona Kemi Mix & Fill
Hope this helps to restore your rediscovered parquet floor, a valued possession in any house!
See also our Wood Floor Guide:
"7 Easy Steps to Repair/Restore Your Parquet Floor"
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