Are you looking for the Water Proofing of Toilets?? So hurry up please visit today Aayka Polymers. We provide the best services to our customers. Toilet plumbing is done in either of two ways: using a drop slab or with underslung plumbing. In a drop slab, the slab below the toilet is 'dropped' or built about a foot below the rest of the slab. We have an expert team. For more information please contact us! 9810285342