tiling around a cassette stle log burner

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Can anyone tell me whether or not i can tile over a skimmed fireplace which has had a cassette log burner inset into the wall? Originally the plasterer skimmed it with gypsum based plaster which cracked a lot! Found out afterwards the gypsum can't withstand the high temps. The log burner is like a furnace!!
It has since been replaced with similar to get rid of the cracks, but can we tile over that - we're planning to use a natural stone like travertine or tumbled marble. Or do we have to strip it all back?
Many thanks :D
 
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You’ve discovered as I did some years ago that gypsum plaster won’t stand the heat; I personally have a Stovax Riva cassette but I’m also a plasterer & undertake finishing work on stove installs. If you’ve re-plastered using Gypsum plaster again you cannot tile over it; the plaster will only fail again & the tiles will fall off probably taking the plaster with them. If a base plaster has been used as opposed to render that will ultimately fail as well. Unfortunately the long term solution is to strip it all back to the block/brick work within 500mm either side & 800mm above the stove. Use a sand/cement/lime render (5:1:1) as the base coat not plaster & you can tile directly over that using a quality (BAL of similar) Rapidset powder cement adhesive (not tub ready mix); this will withstand 150 degrees which should be fine. If you want a plaster finish around the stove, you must use a heat resistant plaster (Vitcas). There are several links below which may be of interest, it’s all in there including what I’ve said above.

--------------------0000000000000000--------------------------

As this comes up so often, I’ve put together this generic post; read the links but not all may apply to you.

You can DIY but you need to understand the Building Regs (which changed in October 10), submit a Building Notice & pay a fee. Your LABC will inspect &, assuming everything is OK, issue you with a compliance certificate; the BI may want also to witness smoke & spillage tests.

Lots of archive threads on this, & other things you have to watch out for, here a few links for you to read:
http://www.stovesonline.co.uk/stove_building_regulations.html
http://www.hetas.co.uk/public/certificates.html
http://www.solidfuel.co.uk/pdfs/buidling_regs_consumer leaflet.pdf
//www.diynot.com/forums/viewtopic.php?t=183614
//www.diynot.com/forums/viewtopic.php?t=211524
//www.diynot.com/forums/viewtopic.php?t=242738
//www.diynot.com/forums/viewtopic.php?t=224751

Some more sobering links in case you think it’s all a load of old tosh:
http://www.solidfuel.co.uk/main_pages/news.htm
http://www.dailymail.co.uk/news/art...wood-burning-stove-leaks-carbon-monoxide.html
http://www.eveningnews24.co.uk/news/warning_over_heaters_after_norfolk_couple_s_death_1_811099

By far the easiest/safest route is to use a registered HETAS installer who will do all the necessary work, commission the stove & provide you with a certificate of compliance. You can use one of the many stove shops around but you will find it much cheaper to employ an independent installer who is happy for you to source your own stove, liner & ancillaries & even undertake the necessary building work but do check with them first. You can download a list of local installers here;
http://www.hetas.co.uk/nearest_member

Get at least 3 quotes & you might be pleasantly surprised; you should ask yourself if you really want all the hassle & risk getting it wrong & climbing onto a roof with an 8M stainless steel snake on your back is not for the feint hearted!
 

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