KAI Medical Laboratory Post Construction Cleaning in Dallas, Texas After the construction is done, a post construction cleaning company must be hired to clean the construction dust and debris left by other contractors. Grubbs Construction Cleaning, LLC are experts in construction cleaning. More…. KAI Medical Laboratory Post Construction Cleaning in Dallas, Texas After the construction is done, a post construction cleaning company must be hired to clean the construction dust and debris left by other contractors. Grubbs Construction Cleaning, LLC are experts in construction cleaning. More….