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Just a quick follow up on waterproofing the dome.
Many thanks to david s for his advice on using diluted tile pointing for a final tough, waterproof coat.
I used a typical Bunnings product, Dunlop Tile Pointing, as in pic.
I have since fired the oven a few times and have had no cracks in this product. Ratio i used was more like 30-40% water, and that was just thin enough to apply with a broad brush (forget the roller idea)
Stir the water in thoroughly until the white glue like stuff gets mixed back in to the render, then go for it. I only managed 2 coats, with a thickness of about 3-4mm.
Many thanks to david s for his advice on using diluted tile pointing for a final tough, waterproof coat.
I used a typical Bunnings product, Dunlop Tile Pointing, as in pic.
I have since fired the oven a few times and have had no cracks in this product. Ratio i used was more like 30-40% water, and that was just thin enough to apply with a broad brush (forget the roller idea)
Stir the water in thoroughly until the white glue like stuff gets mixed back in to the render, then go for it. I only managed 2 coats, with a thickness of about 3-4mm.
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