DIY Doctor UK DIY Forums

Hi can anyone please help me. My bricks in my chimney stack are turning into dust and are so soft you can dig into them with your finger. Everytime i go up there theres a pile of brick dust on the floor. Can i put a stabalising solution on them and then just render over the top?? And if so whats the best type of solution to use. Thanks for any help you can give.. :D

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