What to do if details change

If specifications or prices change after signing, prepare a supplemental addendum referencing the original add-on and obtain signatures from authorized parties. Note any revised dates, inspection requirements, and whether prior approvals remain valid to maintain a clear audit trail.

Missing contract reference

If the contract reference is missing, do not sign. Return the add-on for correction with the correct purchase order or contract number. An unsigned or misreferenced addendum can cause payment delays, disputes, and may be rejected by permit authorities.

Can I e-sign this document?

Yes. Electronic signatures satisfy the ESIGN Act and UETA for commercial construction addenda unless a statutory exception applies. Preserve evidence of intent, consent, attribution, and retention to support enforceability.

When is notarization required?

Notarization depends on jurisdiction and document type. Real property conveyances and some powers of attorney require notarization and witnesses; many addenda do not. Follow state notary rules and use RON only where state law permits.

How to correct a signed add-on

To amend a signed add-on, execute a written amendment signed by the same authorized signers, or create a replacement addendum that references and supersedes the prior document. Retain both versions for the project file and reconciliation.

What if a signer lacks authority

If a signer lacks authority, the add-on may be unenforceable. Confirm corporate signing authority or obtain a board resolution. Consider a ratification letter if work proceeded based on the addendum and parties agree to cure the defect.

Electronic Signature
Templates
Miscellaneous
Miscellaneous Add-on Door

Miscellaneous Add-on Door

This template is fully customizable. Edit the text, fill out the fields, and send it for signature. Give it a try!

MISCELLANEOUS ADD-ON DOOR AGREEMENT

This Add-on Door Agreement (the Agreement) is made effective as of by and between Client Name: and Contractor Name: .

WHEREAS

WHEREAS, Client is the owner or authorized agent of the property located at (the Property), and desires to install one or more add-on doors as set forth herein;

WHEREAS, Contractor is duly licensed and experienced in the supply and installation of doors and related components and agrees to perform the work in accordance with the terms and conditions of this Agreement; and

WHEREAS, the parties intend by this Agreement to set forth the scope, schedule, compensation and other terms that will govern the add-on door installation.

SCOPE OF WORK

Contractor shall furnish all labor, materials, equipment and supervision necessary to perform the work described below in a professional manner consistent with industry standards. The work shall include removal of existing elements as required, preparation of openings, installation of the add-on door assembly, sealing, and finish work.

Detailed Scope (describe in detail) Door Description Location of Installation Materials / Finish

PAYMENT TERMS

Client shall pay Contractor the Total Contract Price in accordance with the schedule below. All amounts are in U.S. dollars. Contractor shall invoice for amounts due and Client shall make payment by the due date on the invoice.

Total Contract Price Deposit / Initial Payment Payment Schedule / Milestones

Late payments shall incur interest at the rate of per month (or the maximum allowable under applicable law) applied to overdue balances after days past invoice due date.

Accepted Methods of Payment

Check Card ACH / Electronic Transfer

TERM AND TERMINATION

This Agreement commences on the Start Date: and, unless earlier terminated as provided below, shall terminate on the End Date: .

Either party may terminate for convenience upon written notice to the other party delivered at least days prior to the effective termination date. Termination for cause may be immediate where the breaching party fails to cure a material breach within a commercially reasonable period not to exceed 15 days after written notice.

CHANGE ORDERS & PERMITS

Any alteration, addition, or deletion to the Scope of Work shall be effectuated only by a written change order signed by both parties specifying work, price and schedule adjustments. Client is responsible for obtaining and paying for any permits unless otherwise agreed in writing.

Permit Responsibility

CONFIDENTIALITY

Each party shall keep confidential all non-public business information and technical material disclosed by the other party in connection with this Agreement and shall not use or disclose such information except as necessary to perform obligations hereunder or as required by law. Confidential information does not include information that is or becomes generally available to the public other than through breach of this Agreement.

INDEMNIFICATION & LIABILITY

Contractor shall indemnify and hold harmless Client from claims arising from Contractor's negligent performance of the Work. Client shall indemnify and hold harmless Contractor from claims arising from Client's breach of this Agreement or Client-supplied materials. Except for willful misconduct or gross negligence, neither party shall be liable to the other for consequential, incidental or punitive damages.

GOVERNING LAW

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

ENTIRE AGREEMENT

This Agreement, including any attached exhibits or executed change orders, constitutes the entire agreement between the parties with respect to the subject matter hereof and supersedes all prior negotiations, representations or agreements, whether written or oral. No amendment shall be effective unless in writing and signed by both parties.

NOTICES

Client Notice Address Contractor Notice Address

Notices shall be in writing and deemed delivered when delivered in person, sent by nationally recognized overnight courier, or three business days after deposit with the postal service by certified mail, return receipt requested, to the addresses provided above.

Client:

By:

Date:

Contractor:

By:

Date:

What the Miscellaneous Add-on Door Is and when it applies

The Miscellaneous Add-on Door is a contract addendum used to document the addition, replacement, or modification of a door outside the original project scope. It records specific materials, finishes, dimensions, installation responsibilities, schedule impacts, and cost adjustments tied to a primary contract or purchase order. Typically attached to a master agreement, the add-on creates a clear change-order record that supports permitting, inspection, invoicing, and warranty administration while reducing later disputes about scope, responsibility, or payment allocation.

Why a clear add-on matters for projects

A written Miscellaneous Add-on Door clarifies specifications, documents price and schedule changes, and assigns installation and warranty responsibilities. That clarity reduces disputes, speeds approvals, and supports accurate invoicing and permit review while preserving an auditable record for owners and contractors.

Who typically prepares and signs an add-on

Typical users include contractors, property managers, and project managers handling scope adjustments to door installations and related billing.

General contractors coordinating subcontractor work and change orders on renovation projects.
Property managers authorizing repairs, replacements, or upgrades for tenant safety and compliance.
Suppliers and fabricators confirming material specifications, lead times, and special finishes.

Owners and legal teams also review add-ons to ensure incorporation into contract records and support warranty or insurance claims.

Step-by-step: completing the Miscellaneous Add-on Door

Follow these steps to complete the Miscellaneous Add-on Door so it integrates cleanly with the main contract and permits accurate billing.

01

Prepare Document: Confirm contract reference and scope line items before drafting.
02

Detail Specifications: List dimensions, materials, finishes, and manufacturer part numbers.
03

Specify Pricing: State unit prices, total change order amount, and payment terms.
04

Signatures: Collect signatures and dates from authorized representatives for binding effect.

Recommended online workflow settings for add-on processing

Configure your online workflow to capture approvals, set signer roles, and retain an auditable trail for compliance and invoicing.

Field	Configuration
Upload	Accept PDF and Word DOCX formats for upload.
Signer Order	Set sequential or parallel signer order to match approval needs.
Authentication	Choose email link, SMS code, or KBA verification.
Auto-reminders	Configure automatic reminders at set intervals.

Where to send and how add-ons flow through approval

Typical routing for a Miscellaneous Add-on Door moves documentally from drafting to approval, then to signature and archival in project records.

Draft: Author prepares add-on referencing contract.
Review: Project manager and owner review details.
Sign: Authorized representatives sign and date.
File: Store signed PDF in contract file and archive.

Technical requirements for electronic processing

Use a platform supporting common integrations and file types to reduce manual handoffs and ensure secure signatures.

Integrations: Salesforce, NetSuite, Microsoft 365
File formats: PDF, DOCX, Excel supported
Authentication: Email, SMS, or SSO options

Common timelines and scheduling checkpoints

Key scheduling and deadline items for the add-on help coordinate procurement, installation, inspection, and final invoicing across stakeholders.

Proposal submission:

Submit with referenced contract before fabrication begins.

Material lead time:

Confirm lead times to avoid schedule slippage.

Installation window:

Schedule with site access and inspection availability.

Inspection date:

Document required inspection prior to final acceptance.

Invoice due date:

Follow payment terms specified in change order.

Key milestones from request through closeout

Sequential milestones show the lifecycle from request to final closeout for a Miscellaneous Add-on Door.

01

Request Submitted

Owner requests scope change and supplies details.

02

Review & Estimate

Contractor reviews, prices materials, and provides estimate.

03

Approval & Sign

Authorized parties sign change order for work authorization.

04

Install & Closeout

Complete installation, inspections, and update contract records.

eSignature pricing and feature comparison for change-order workflows

Side-by-side plan and feature comparison to help evaluate eSignature options for processing add-ons and contract change orders.

	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	Varies	Varies	Varies	Varies
Bulk Send	Yes	Yes	Yes	Yes	No
Audit Trail	Yes	Yes	Yes	Yes	Yes
Envelope Cap	No cap	100 envelopes/user/year	Varies	Varies	Varies

Real-world examples of using a door add-on

Two brief examples show practical outcomes when teams use structured add-ons to manage scope changes and approvals.

Optica Ventures — COO

Optica Ventures used add-on exhibits to standardize small scope changes across multi-site property management workflows.

Reduced on-site rework and delays.
They report streamlined approvals and clearer invoices, noting the process is simple and easy to use for internal teams and external customers, which reduced processing time and customer confusion on change orders.

Martin Properties — Founder

Martin Properties integrated add-on doors into lease repair workflows to document tenant-requested upgrades.

Improved compliance and accelerated billing cycles.
The team can process and execute documents online with compliance and security, reducing turnaround and enabling faster billing and repair completion across properties.

Practical tips to avoid disputes and delays

Adopt consistent standards for specifications, approvals, and recordkeeping to reduce disputes and permit delays across add-on door installations.

Use precise specifications and references

Include exact model numbers, fire ratings, hardware sets, and ADA compliance details. Attach manufacturer cut sheets and submittals so installers and inspectors have unambiguous guidance, reducing RFIs and rework.

Consolidate change orders where feasible

Combine multiple small changes into a single addendum when feasible to avoid administrative overhead and cumulative fees. Consolidation improves scheduling predictability and simplifies invoice reconciliation for accounting teams.

Verify signatory authority before signing

Confirm that signers have express authority to bind their organizations; include officer titles or delegation documents. Unauthorized signatures can render the add-on unenforceable and delay payments.

Preserve a complete audit trail

Keep time-stamped signed copies, version histories, approval logs, submittals, inspection reports, and delivery receipts so warranty claims, lien waivers, and payment disputes rely on complete documentary evidence.

Common preparation errors to avoid

Leaving measurements vague or using nonstandard units leads to on-site errors and rework; always include precise dimensions and reference points.
Failing to list manufacturer part numbers or finishes can result in incorrect deliveries and extended lead times, increasing project costs.
Not specifying responsibility for removal and disposal of existing doors often causes contractor-owner disputes during punchlist and final payment stages.
Omitting inspection or testing requirements prevents verification and may delay occupancy certificates or warranty activation for installed components.

Security and compliance considerations for electronic processing

Encryption: TLS 1.2/1.3 in transit

At-rest protection: AES-256 encryption

Certifications: ISO 27001, SOC 2 Type II

Regulatory compliance: ESIGN, UETA, HIPAA (BAA required)

Accessibility: WCAG 2.0 Level AA

Payment security: PCI DSS certified

Penalties and practical risks of incorrect add-ons

Scope disputes: Delay claims, extra costs

Payment delays: Invoicing holdbacks

Permit rejection: Incomplete specs cause denials

Warranty void: Noncompliant materials risk warranty

Legal exposure: Breach of contract claims

Tax implications: Incorrect invoicing triggers audits

Frequently asked questions about add-ons and signatures

Answers to common questions about completing, signing, and submitting a Miscellaneous Add-on Door for construction or property projects.

Need help? Contact support

What to do if details change
If specifications or prices change after signing, prepare a supplemental addendum referencing the original add-on and obtain signatures from authorized parties. Note any revised dates, inspection requirements, and whether prior approvals remain valid to maintain a clear audit trail.
Missing contract reference
If the contract reference is missing, do not sign. Return the add-on for correction with the correct purchase order or contract number. An unsigned or misreferenced addendum can cause payment delays, disputes, and may be rejected by permit authorities.
Can I e-sign this document?
Yes. Electronic signatures satisfy the ESIGN Act and UETA for commercial construction addenda unless a statutory exception applies. Preserve evidence of intent, consent, attribution, and retention to support enforceability.
When is notarization required?
Notarization depends on jurisdiction and document type. Real property conveyances and some powers of attorney require notarization and witnesses; many addenda do not. Follow state notary rules and use RON only where state law permits.
How to correct a signed add-on
To amend a signed add-on, execute a written amendment signed by the same authorized signers, or create a replacement addendum that references and supersedes the prior document. Retain both versions for the project file and reconciliation.
What if a signer lacks authority
If a signer lacks authority, the add-on may be unenforceable. Confirm corporate signing authority or obtain a board resolution. Consider a ratification letter if work proceeded based on the addendum and parties agree to cure the defect.

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