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What filler should I use for gaps on my rendered and painted wood fired pizza oven, which gets quite hot?

My pizza oven has a concrete render exterior, on insulation sitting over the terracotta oven base. Gaps have appeared in the render and I want to fill them and paint over. The exterior of the oven gets quite hot when in use, oftentimes too hot to leave your hand on. I need to fill the gaps with a filler that is heat resistant.

selleys

06 October 2014, 06:01 AM

I would be confident that our No More Cracks Exterior or Poly Exterior Powder fillers will be suitable for this purpose. They are cement based fillers and should mimic the render quite well as well has having good heat resistance. Just remember that as these fillers dry very hard they can crack if there is continued movement.
Topics: Flexible Fillers

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