Torch On Waterproofing
Torch On Waterproofing Introducing Torch On Waterproofing This is what is commonly known as “Torch on” What is Torch On? A Derbigum, a bitumen/ malthoid 4mm thick covering which is applied to bitumen coated surface for water proofing. What is it used for? Torch On is perfect for the waterproofing of roofs on buildings as
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