I have just cut out a space in a dissused chimeny breast in my flat, i intend to use the space as a computer cupboard. i want to expose the brickwork on the outside of the cavity, the interior will have to be rendered as its in dire states.
Now to the point. The morter between the brick is basically just a yellow colour dust! what sort of morter should i use when re pointing and replacing bricks?
also wht shoud i use to seal up the exposed brick after i've repaired it all?
The colour of the "dust" will depend on what locally available sand was used at the the time of construction, assuming it is an older property look for a sand with a similar colour and use a 6:1:1 sand:lime:cement mix for pointing though you will get changes in the finish colour depending on proportions used so you may have to experiment. To seal the brick work Thomsons do a brick seal varnish but this will also change the colour of the brickwork, also remeber the chimley is a open tube, dust and debris will fall down it from time to time if you plan to leave your prized lap top in the chimley breast opening
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