Quick Answer
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Common Symptoms
Possible Causes
Step-by-Step Diagnosis
Step 1
Clearly define your project scope and choose your tile before you call anyone.
Step 2
Research installers through tile showrooms and trusted word-of-mouth, not just a random online search.
Step 3
Verify credentials on your shortlist—confirm they have both general liability and workers' compensation insurance.
Step 4
Ask if they have any Certified Tile Installers (CTI) on their team. It's a huge plus.
Step 5
Insist on seeing a portfolio AND talking to their last two to three customers. A pro will have this ready.
Step 6
Interview at least three installers in person. Ask them specific questions about their process for YOUR project.
Step 7
Get itemized bids that break down labor, materials, prep, and demo. Don't accept a single lump-sum number.
Step 8
Thoroughly review the final contract. Make sure it includes the scope, payment schedule, timeline, and a written warranty on their labor.
DIY vs Professional Costs
| Repair Type | DIY Cost | Professional Cost | Time Required |
|---|---|---|---|
Hiring Research & Vetting | $0 - $50 | N/A | 4-8 hours |
Tile Installation Labor | N/A | $10 - $40+ / sq. ft. | Varies |
Substrate Prep / Leveling | N/A | $5 - $15+ / sq. ft. | Varies |
Shower Waterproofing | N/A | $5 - $15+ / sq. ft. | 1-2 days |
When to Call a Professional Tile
- Always. The 'problem' is about *how* to hire a professional. Tiling isn't a DIY-friendly task for most people.
- Especially when dealing with any wet area like a shower, tub surround, or steam room where waterproofing is critical.
- When you're using expensive, large format, or natural stone tiles that require specialized tools and handling.
- If your subfloor is not perfectly flat and rigid, as proper preparation is key to a lasting installation.
- Anytime you want a warranty and the peace of mind that comes with knowing the job was done to industry standards.
Prevention Tips
- Never, ever hire based on the lowest price alone. Vet for skill and reputation first.
- Get everything in writing with a detailed contract that includes a warranty.
- Ask to see proof of licensing and insurance. If they can't provide it, walk away.
- Prioritize installers who are certified (like a CTI) or who come highly recommended by reputable tile stores.
- Ask them specifically how they plan to prepare the surface and waterproof wet areas.
- Talk to their past customers. Ask them if the project was on time, on budget, and if they'd hire them again.
- Don't be afraid to ask questions during the installation. It's your house.
Frequently Asked Questions
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