If you're running a flooring installation business and hiring subcontractors, you're not just managing schedules and job sites—you're managing risk. One uninsured subcontractor can expose your entire business to lawsuits, project delays, and financial disaster. Here's what most flooring contractors don't realize until it's too late: you're liable for what happens on your jobs, even when someone else is doing the work.
The good news? Protecting yourself doesn't require a law degree. You just need to understand the four critical insurance requirements that every flooring subcontractor should meet: proper coverage types, certificates of insurance, additional insured endorsements, and waivers of subrogation. Let's break down exactly what you need and why it matters for your business.
Essential Coverage Types Your Subcontractors Must Carry
When you're bringing subcontractors onto your flooring projects, they need three core insurance policies. General liability insurance is the foundation—it covers property damage and bodily injury caused by their work. If a subcontractor's helper accidentally damages a customer's hardwood staircase or someone trips over their equipment, general liability handles it. As of 2026, flooring contractors can get general liability policies starting around $39 per month or $500 annually, though rates vary based on your revenue and claims history.
Workers' compensation is the second non-negotiable. This covers medical bills and lost wages if one of your subcontractor's employees gets hurt on the job. Most states legally require workers' comp, and general contractors absolutely demand it. You don't want to be on the hook for a back injury because your tile setter didn't have coverage. Commercial auto insurance rounds out the essentials—if your subs are driving to job sites in work vehicles, their accidents become your problem without proper coverage.
Here's the thing: most states don't legally require subcontractors to carry insurance. But general contractors almost always mandate it in subcontract agreements. It's not about following the law—it's about protecting everyone on the project from financial catastrophe. Many clients will specify exact coverage limits you must meet before work begins, and it's often a deal-breaker if you don't comply.
The Certificate of Insurance: Your Proof of Protection
The Certificate of Insurance (COI) is probably the most requested document in the construction world. It's a single-page form that proves your subcontractor has active insurance and shows exactly what coverage they carry. General contractors, clients, and even material suppliers will ask for it before letting work start. Your insurance provider can typically issue a COI within 24-48 hours of your request.
But here's where it gets tricky: tracking COIs becomes a massive headache as your business grows. A single flooring project can involve multiple subcontractors, and different policies expire at different times. Someone's general liability might expire in January while their workers' comp renews in June. Multiply that across 40 active subcontractors on various projects, and you've got a tracking nightmare that overwhelms spreadsheets.
That's why automated COI tracking platforms have become game-changers in 2025. Solutions like CertFocus, myCOI, and TrustLayer use AI technology to process certificates within minutes instead of days. These systems automatically monitor expiration dates, send renewal reminders to your subs, and integrate with construction management software like Procore and Buildertrend. The result? You can see real-time compliance status for every subcontractor without drowning in paperwork. A single expired certificate can trigger six-figure liability exposure, so automation isn't a luxury—it's risk management.
Additional Insured Endorsements: Why You Need to Be Named
When general contractors hire you, they'll ask to be named as an additional insured on your liability policy. When you hire subcontractors, you need the same protection. Being an additional insured means that if your subcontractor causes property damage or bodily injury while installing flooring, you're also protected under their policy. It's a critical layer of defense that keeps lawsuits from landing solely on your doorstep.
The most common additional insured endorsements are ISO forms CG 20 10 (for ongoing operations) and CG 20 37 (for completed operations). Here's what that means in plain English: CG 20 10 protects you while the work is happening. If your laminate installer damages a wall during installation, you're covered. But what about issues discovered after the job is done? That's where CG 20 37 comes in—it extends protection to completed work.
Best practice in 2025 is to require both endorsements, especially for long-term flooring projects. Don't just accept a certificate that says you're an additional insured. Request a copy of the actual endorsement to verify the coverage aligns with your contract requirements. The 2001 versions of these forms are generally more restrictive than the 1985 versions, so understanding exactly what protection you're getting matters. Work with your insurance broker to ensure your subcontractors provide adequate additional insured coverage for both ongoing and completed operations.
Waiver of Subrogation: Preventing Insurance Company Lawsuits
A waiver of subrogation is one of those insurance terms that sounds complicated but solves a simple problem. Normally, if an insurance company pays out a claim, they can sue whoever caused the loss to recover their money. With a waiver of subrogation in place, your subcontractor's insurance company gives up that right. They can't come after you even if you contributed to the incident.
General contractors require these waivers because they want to eliminate the possibility of insurance company lawsuits. If something goes wrong on your flooring job site, they don't want your subcontractor's insurer suing them six months later. For the same reason, you should require waivers from all your subs. Most subcontract agreements you sign will include this requirement as standard risk transfer strategy.
You've got two options: blanket waivers and scheduled waivers. A blanket waiver automatically applies to all entities that your subcontractor is contractually obligated to provide a waiver to. It's broader, more convenient, and doesn't require separate endorsements for each project. For flooring contractors working on multiple projects throughout the year, blanket waivers are typically more cost-effective and efficient. A scheduled waiver, by contrast, applies only to specific entities named in the endorsement—so each new project needs its own paperwork.
Fair warning: waiver endorsements can increase insurance costs by about 15%. But that's a small price compared to the protection they provide. One critical detail to watch: the certificate of insurance description must include specific waiver of subrogation language. Vague or incomplete wording can void your expected coverage, so verify the exact phrasing rather than assuming the certificate provides actual protection.
Workers' Compensation Verification: Don't Skip This Step
Workers' compensation verification deserves special attention because the consequences of getting it wrong are severe. If your subcontractor's employee gets injured on your flooring job and they don't have workers' comp coverage, you could be on the hook for all their medical bills, lost wages, and disability payments. We're talking potentially hundreds of thousands of dollars for a single serious injury.
Don't just accept a workers' comp certificate at face value. Verify that it's current, covers all the subcontractor's employees, and matches the type of work they'll be doing. Some contractors try to cut corners by claiming their workers are independent contractors to avoid workers' comp premiums. That doesn't protect you. If their classification gets challenged, you're still liable. Establish clear insurance requirements before work begins, document them in your subcontract agreements, and make compliance verification part of your regular project management routine.
Putting It All Together: Your Subcontractor Compliance Checklist
Before any subcontractor sets foot on your flooring project, you need four things in hand: a current Certificate of Insurance showing general liability, workers' compensation, and commercial auto coverage; an additional insured endorsement naming you for both ongoing and completed operations; a waiver of subrogation clause (preferably blanket coverage); and verification that all coverage meets your contract requirements and won't expire during the project.
The best approach in 2025 is to use automated compliance tracking software that integrates with your project management system. Set up standardized templates for collecting certificates, implement automatic expiration reminders, and conduct regular reviews to catch coverage gaps before they become problems. Work with an insurance broker who understands construction risks and can help you craft subcontract language that clearly defines insurance requirements.
Managing subcontractor insurance requirements isn't the most exciting part of running a flooring business, but it's one of the most important. One uninsured incident can wipe out years of profits and put your entire company at risk. Take the time to set up proper systems now—standardized contracts, automated tracking, and clear verification procedures—and you'll sleep better knowing your business is protected. Your insurance agent can help you establish requirements that match your specific risks and ensure every certificate provides the coverage you actually need.