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This question asks "Is there any 'black / brown' bitumen paint on your floor?

Way back, before the days of fitted carpet, it was 'the norm' and even fashionable and practical to have a rug in the middle of the room, to give some warmth and softness underfoot in the main part of the room.  This was great, because the household could also take the rug outside on the washing line and 'smack' it with something to rid it of most of the dust.  This of course left a border of 2 or 3 foot usually around the perimitre of the floor that left exposed floorboards.  As central heating and upvc windows didnt exist, of course, there were certain warmth issues to overcome.  One of the ways to help this was by painting the floor with a similar poduct that went on roofs of the houses - bitumen paint'! This was great t the time, it provided a water proof layer, it kept in the warmth, it was relatively soft under the foot, it was cheap, it offered a ceratin amount of gap fill to fill the tongue & groove and when it wore or a special time was approaching, you'd simply apply another coat!! Great!!! Perhaps for them, not for us. We now have the job of removing this.  To make matters worse, we never really know with any degree of accuracy, exactly how many coats there are.  Sometimes it isnt until such a time where the sanding process takes place, where we discover that there are several layers of paint in the mix as well.  Because bitumen is a tar like product, when we attempt to sand it, the bitumen immediately heats up, turns back to tar and in doing so does a splendid job of smothering our belts with the tar from the floor.  Needlesstosay, this takes up more time and certainly uses up considerably more materials.  But we percevere and eventually remove all remnants of it. For this, and at least to help contribute towards the additional materials used, we ask for a nominal charge per room.  This will be added to this quote if you select it.  If you look at your floors and see brown, select it, its a similar product.  If it seems thin and you can see some of the boards, stil select it if its there at all.  We make little or no profit in this regard and merely want to cover some of the additional cost to ourselves so no exception can realistically be made regardless of the apparent thickness of the bitumen.  Please not, sometimes, because the bitumen has been on the wood for so long and as a result the remainder of the floor has been subjected to a different level of air and moisture, you can get tonal changes from the main area agianst the area where the bitument has been, Thsi usually appears as a subtle square where the bitumen ends and the clear wood starts.  More often than not we're able to remove this tonal change but again, we can only sand so much before it has to be accepted as an acceptable compromise to an existing floor.  If it is any consolation, Ive seen floors where this has happended at a later time when the furniture is present, and whilst, (if it does happen) it may be apparant when the room is empty, when your furniture has been put into the room, any difference in floor tone is somewhat 'lost' and looks perfectly acceptable.