what type of thinset is required to attach tiles to wallboard vertically? DIY Questions › Category: DIY Questions › what type of thinset is required to attach tiles to wallboard vertically? 0 Vote Up Vote Down john scott asked 2 years ago what type of thinset is required to attach tiles to wallboard vertically? Please login or Register to submit your answer Username or Email Address Password Remember Me Continue with FacebookContinue with Google