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Tile Installation Addendum

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TILE INSTALLATION ADDENDUM

This Tile Installation Addendum (the Addendum) is made effective as of by and between Client Name: and Contractor Name: .

WHEREAS

WHEREAS, Client has engaged Contractor to perform tile installation work at the property located at:

WHEREAS, the parties desire to set forth in this Addendum the specific scope, payment terms and other material terms applicable to the tile installation to be performed by Contractor; and

WHEREAS, this Addendum supplements and modifies the existing agreement between the parties to the extent set forth herein, and in the event of any conflict the terms of this Addendum shall control.

SCOPE OF WORK

Contractor shall perform all labor, furnish materials and perform tile installation work as described below. Work includes surface preparation, underlayment as required, tile setting, grout, sealing (if specified), cleanup and final inspection. Specific exclusions and inclusions are set forth in the Scope of Work field.

MATERIALS & LABOR

The party responsible for supplying tile and related materials (select one or both as applicable):

Contractor supplies materials Client supplies materials

PAYMENT TERMS

The total contract price for the tile installation described in this Addendum is:

Payment shall be made according to the following schedule:

Late payments shall incur a fee of:

All payments are due within the timeframes stated in this Addendum. Payments not timely made may result in suspension of work until cured.

TERM AND TERMINATION

Work shall commence on or about and shall be substantially completed by , subject to adjustments for change orders, weather, or other causes beyond Contractor's control.

Either party may terminate this Addendum for material breach by the other party if the breaching party fails to cure the breach within days after receipt of written notice. Termination shall not relieve the Client of the obligation to pay for work performed and materials purchased prior to termination.

CHANGE ORDERS

Any changes to the Scope of Work, price or schedule shall be documented in a written change order signed by both parties before work on the change commences. Verbal authorizations are not effective unless confirmed in writing.

WARRANTY

Contractor warrants workmanship for a period of days from completion. Warranty coverage excludes damage or failure resulting from substrate defects, structural movement, improper maintenance, abuse, or materials supplied by Client unless Contractor specifically warranted such materials in writing.

SITE CONDITIONS, PERMITS AND ACCESS

Client shall provide safe and reasonable access to the work area and shall obtain any permits or approvals required by applicable building codes, unless otherwise agreed in writing. Contractor shall comply with all applicable codes and regulations and shall obtain required inspections where applicable.

CONFIDENTIALITY

Unless otherwise agreed in writing, each party shall treat as confidential all proprietary information disclosed by the other party in connection with this Addendum and shall not disclose such information to third parties except as required by law or necessary to perform obligations under this Addendum. Confidential information does not include information that is or becomes generally available to the public through no breach of this provision.

INSURANCE & LIABILITY

Contractor shall maintain at its expense general liability and workers' compensation insurance in amounts customary for the industry. Contractor's liability for direct damages shall be limited to the total amount paid by Client under this Addendum. Neither party shall be liable for consequential or incidental damages except to the extent resulting from gross negligence or willful misconduct.

GOVERNING LAW

This Addendum shall be governed by and construed in accordance with the laws of the State of , without regard to conflict of laws principles.

ENTIRE AGREEMENT

This Addendum, together with any previously executed agreement between the parties specifically referenced herein, constitutes the entire agreement between the parties concerning the subject matter hereof and supersedes all prior negotiations, representations, warranties and agreements, whether written or oral. No amendment or waiver shall be effective unless in writing and signed by both parties.

NOTICES

Client Name:

By:

Date:

Contractor Name:

By:

Date:

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What the Tile Installation Addendum Is and when to use it

A Tile Installation Addendum is a contract attachment that records technical requirements, materials, schedules, and acceptance procedures for tile work added to an existing construction or service agreement. It lists tile types, layout patterns, substrate preparation, adhesive and grout specifications, flatness tolerances, inspection checkpoints, defect remediation steps, warranty terms, and allocation of unforeseen site conditions. The addendum also documents change-order procedures and payment milestones tied to installation stages. Attach it as an exhibit or amendment and have authorized parties sign to make it binding.

Why a written addendum matters for tile projects

A clear Tile Installation Addendum reduces ambiguity by documenting scope, materials, inspection criteria, and payment triggers. It helps prevent disputes, clarifies repair and warranty obligations, and provides a contractually binding record that supports enforcement and insurance or warranty claims if installation problems arise.

Why a written addendum matters for tile projects

Typical parties who prepare or sign this addendum

Typical users include general contractors, tile subcontractors, property owners, and project managers who need precise scope and acceptance rules for tile work.

  • General contractors managing subcontracted tile installations and coordinating schedules, inspections, and payments with project stakeholders.
  • Tile subcontractors specifying materials, substrate preparation, adhesive and grout methods, warranty obligations, and corrective responsibilities.
  • Property owners or facility managers approving finishes, acceptance criteria, and final payment conditions tied to inspections.

Use the addendum whenever tile work changes the base contract scope, introduces specialty materials, or ties payment to physical acceptance milestones.

What a professional Tile Installation Addendum should include

A well-drafted addendum sets clear technical standards, a measurable scope of work, milestone-driven payments, change-order rules, warranty coverage, and authorized signatory blocks so all parties know obligations and remedies.

Technical Specs

Specify tile material, size, grade, manufacturer, substrate preparation, adhesive and grout products, installation tolerances, maximum deflection, and acceptable flatness to reduce later disputes.

Scope

Define exact areas to be tiled, square footage, transitions, thresholds, exclusions, demolition limits, and any coordination required with other trades on the project.

Schedule

List start and completion dates, intermediate milestones tied to inspections, notice procedures for delays, and allowable extensions for weather or site conditions.

Payment Terms

Tie payments to measurable milestones such as delivery, substrate completion, tile setting, grouting, and final acceptance; include retainage and late payment remedies.

Change Orders

Describe how changes are proposed, priced, and approved in writing; require signed authorization and update schedule and payment terms before additional work proceeds.

Warranty

State warranty duration, coverage for materials versus workmanship, remedies for defects, inspection periods, and contractor obligations for corrective work and related costs.

Step-by-step: completing and executing the addendum

Follow these steps to prepare, execute, and distribute the Tile Installation Addendum so it is enforceable and available for project records.

  • 01
    Prepare draft: Attach scope, material specs, schedule, and acceptance criteria to the addendum.
  • 02
    Confirm parties: Verify legal names, contact details, and authorized signers for all parties.
  • 03
    Sign and date: Obtain signatures and dates from authorized representatives according to the signature block.
  • 04
    Distribute copies: Provide executed copies to contractor, subcontractor, owner, permit holder, and project file.

Digital workflow settings to apply when using e-signature

Configure workflow controls to enforce signer order, preserve version history, and capture authentication evidence when executing the addendum electronically.

Signing sequence and required order Set contractor signature first, tile subcontractor second, owner signs last to lock acceptance.
Authentication method for signers Use email link or SMS code for identity; stronger KBA or SSO for higher-risk projects.
Lock fields after any signature Prevent post-signing edits to preserve the executed version and audit trail.
Version control and audit trail Enable change tracking and retain prior versions with timestamps for dispute evidence.
Document retention and export settings Export final PDF/A with audit trail and store in project repository for records.

Where the executed addendum goes and who receives it

After execution, route the signed addendum to project stakeholders, the contract file, permitting authorities if needed, and accounting for payment release and auditability.

  • Contract file: Save executed addendum in the official project contract folder.
  • Subcontractor copy: Provide the tile subcontractor and site superintendent with an executed copy.
  • Permit application: Attach to a permit submission when local authorities require project detail.
  • Accounts payable: Send to payment office to trigger milestone payments and retain for audit.

Platform capabilities to support addendum execution

Choose a platform that supports editable templates, secure storage, tamper-evident signed PDFs, and a detailed audit trail for executed documents.

  • File formats: PDF and DOCX file formats supported
  • Integrations: Connectors for project management and cloud storage
  • Authentication options: Email, SMS, knowledge-based, or SSO authentication

Security and compliance considerations

Encryption in transit: TLS 1.2 and TLS 1.3
Encryption at rest: AES-256 encryption of stored data
Certifications: SOC 2 Type II and ISO 27001
HIPAA support: BAA available for covered entities
Audit trail: Timestamped IP and action history
Access controls: SSO, role-based permissions, and 2FA

Key timing and deadline items to track

Track effective dates, inspection windows, payment milestones, warranty start dates, and notice periods to avoid late claims or missed remedies.

Effective date and start:

Work begins on the Effective Date; notify parties of schedule changes.

Inspection windows:

Schedule initial and final inspections within agreed timeframes after completion.

Payment milestone dates:

Payments are due when specified installation milestones are completed and accepted.

Warranty commencement date:

Warranty typically begins on final acceptance or a stated completion date.

Claims notice period:

Provide written defect notices within the contract-specified cure period after discovery.

eSignature vendor comparison for executing the Tile Installation Addendum

Basic pricing and feature indicators for commonly used e-signature vendors. signNow is listed first per vendor comparison conventions; verify plan details with each vendor before purchase.

signNow DocuSign Adobe Sign PandaDoc HelloSign
Starting Price $8/user/mo $15/user/mo $14/user/mo $19/user/mo $15/user/mo
Free trial 7-day free trial Free trial varies Free trial varies Free trial varies Free trial varies
Bulk send Yes Yes Yes Yes No
Audit trail Yes Yes Yes Yes Yes
HIPAA compliant Yes Yes Yes No No

Common pitfalls to avoid when preparing the addendum

  • Vague scope definitions: Failing to specify exact tile areas, patterns, or transitions leads to differing expectations, extra charges, and disputes during final acceptance.
  • Improper substrate requirements: Neglecting flatness, moisture mitigation, or bonding methods causes tile failure and may require costly rework under warranty disputes.
  • Missing product references: Omitting manufacturer, model, or batch numbers for tiles and adhesives prevents consistent replacements and can void manufacturer warranties.
  • Unauthorized signatures: Allowing non-authorized personnel to sign can render the addendum unenforceable and delay payment or remedial action.

Risks and potential consequences of an incorrect or missing addendum

Payment disputes: Withheld payments and work stoppage
Defective work claims: Costly repairs and reinstallation
Permit violations: Potential fines or stop-work orders
Lien exposure: Subcontractor may file a mechanics lien
Warranty voiding: Improper materials may void manufacturer warranties
Legal costs: Attorney fees and litigation risk

Real-world examples of addenda in practice

Two concise examples illustrate how organizations use a Tile Installation Addendum to speed approvals and reduce rework in field projects.

Optica Ventures (COO)

A small property manager standardized addenda to capture exact tile and grout specs for multiple renovation sites

  • Saved approval time by consolidating terms across projects
  • The consistent template reduced contractor questions and accelerated final acceptance and payments across the portfolio.

Martin Properties (Founder)

A residential developer attached an installation addendum to each purchase agreement to document finish levels and punchlist procedures

  • Linked payments to physical acceptance milestones
  • This prevented post-closing disputes by clarifying who pays for corrective work and under what conditions.

Frequently asked questions and practical answers

Answers to common questions about enforceability, signatures, notarization, errors, and digital execution for the Tile Installation Addendum.


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