Start a Bathroom Waterproofing and Wet-Area Tile Subcontractor

1. 1

   Get certified in a recognized membrane system

   Modern showers are waterproofed with sheet or liquid membrane systems (Schluter Kerdi, Wedi, Laticrete Hydro Ban, and similar), and manufacturers offer installer training and certification. Getting certified in one or two systems gives you both the skill and the credibility remodelers look for. It also protects the manufacturer warranty, which is a real selling point to the contractor whose name is on the job.

2. 2

   Master wet-area detailing, not just flat tile

   The value is in the details that leak if done wrong: shower pans and pre-slopes, curbs and curbless drains, niches, benches, corners, and transitions. Learn how each is waterproofed and tiled to prevent water from ever reaching the substrate. Flat-field tile is commodity work; watertight, well-detailed wet areas are what make you the sub a remodeler cannot easily replace.

3. 3

   Get licensed and insured for subcontract work

   Confirm your state and local requirements for a specialty or tile contractor license, carry general liability insurance, and be ready to provide certificates of insurance to the general contractors you sub for. Clean paperwork makes you easy to hire and keeps you on the callback list. Some jurisdictions and GCs will also require a bond.

4. 4

   Build relationships with remodelers, not homeowners

   Your customer is the bathroom remodeler and general contractor who would rather hand off waterproofing than risk a leak. Reach them through supply houses, trade groups, and direct outreach, and prove reliability on a first job. A single remodeler running steady bathroom volume can keep you busy, so a handful of good GC relationships is a full calendar.

5. 5

   Price for skill and stand behind the work

   Price per shower or per square foot with clear scope, and quote the waterproofing and tile as the skilled, warranty-protecting work it is rather than racing to the bottom. Back your installs, because in this trade your reputation is your leak rate. A sub who never causes a callback commands both loyalty and better rates from the contractors who depend on him.

6. 6

   Schedule around your GCs and protect quality

   Subcontract work means fitting into other people's job timelines, so communicate clearly and hit your windows, but never let a rushed schedule push you into skipping cure times or cutting a detail. Track your jobs and callbacks. The whole business rests on the fact that your waterproofing simply does not fail, so quality control is the product.

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