Renovation Warranty: What to Fix in the Contract

Renovation warranty is not an ad slogan — it is a rule set: which defects the contractor fixes free, how fast, and under what conditions. Without a warranty clause, verbal "we stay in touch" helps little when screed cracks six months later or a plumbing joint leaks. A strong client position has an acceptance act, contract warranty section, and written claim process.

Profmaster fixes warranty in turnkey renovation contracts and hands over documents at handover. Below: what warranty covers, typical exclusions, link to acceptance and payment, and what to verify before signing. Acceptance: checklist; contract: 15 points.

In short: warranty starts with proper acceptance and ends with a clear list of what the contractor is not obliged to repair.

What renovation warranty means in practice

Contractor warranty is a duty to fix defects in their work caused by their fault within an agreed term. It is not insurance for every apartment problem and not unlimited free service.

Concept	Usually covered	Usually not covered
Plaster crack from bad technique	Yes	—
Leak from waterproofing error	Yes	—
Door scratch after move-in	—	Mechanical damage
Appliance failure if not installed by contractor	—	Third parties
Grout wear under normal use	Disputed	Often excluded
Tile defect client purchased	Depends on contract	Material supplier

Simply put: warranty covers how it was built, not how it is used or what you bought separately without coordination.

Warranty terms by work type

Moscow market varies. Benchmarks (not replacing contract):

Work type	Typical warranty term*	Note
Finish (plaster, putty, paint)	12–24 mo	Substrate and humidity matter
Tile work	12–24 mo	Waterproofing in wet zones separately
Flooring install	12–24 mo	Not the same as surface wear
Electrical	12–36 mo	Diagrams and labeling matter
Plumbing install	12–24 mo	Joint leaks are priority
Screed / self-leveling	12–24 mo	Cracks from technique

*Market practice; contract may differ.

Scope comparison: renovation types. Complex projects (designer, premium) need a stronger warranty and post-handover service section.

What to fix in the contract

Clause	Content
Warranty term	Overall and/or by category
Subject	Defects in completed work
Exclusions	Wear, mechanical, third parties, force majeure
Start date	From final acceptance act signature
Claims process	Channel, response time, site visit
Repair deadline	Calendar days after defect acknowledgment
Documents	Acts, diagrams for concealed nodes
Retention	If used — release conditions

Main risk: one line "2-year warranty" with no exclusions or procedure. Contractor reads it narrowly, client broadly — dispute follows.

Warranty and acceptance acts

Warranty rests on final acceptance act. At handover:

• visible defects and fix deadlines are recorded;
• concealed work should already have acts and photos;
• do not sign a "clean" act if critical items remain open.

Stage	Warranty impact
Interim acts	Prove concealed work before cover
Act with punch list	Handover defects are not "surprises"
Final act	Warranty clock starts
Diagram handover	Faster diagnosis on claim

Acceptance checklist: separate article. Skipping acceptance "to move in faster" weakens warranty claims.

Exclusions: what contractor may rightly refuse

Typical contract exclusions:

• mechanical damage after acceptance;
• rework by client or third trades without approval;
• misuse of materials and equipment;
• normal and cosmetic wear in high-traffic zones;
• client-supplied material defects if contractor warned about incompatibility;
• force majeure consequences (e.g. building management flood — per contract wording).

Situation	Who answers
Tile fell off due to contractor adhesive	Contractor warranty
Tile cracked from furniture impact	Client
Leak after another trade cut washer line	Third party
Paint stains from wrong cleaning product	Use / maintenance

Warranty claim process

Healthy flow:

1. Ticket — email or form from contract, description, photos, date.
2. Acknowledgment — within contract deadline (e.g. 3–5 business days).
3. Visit — inspection, accept or reject with reason.
4. Repair — within contract deadline (e.g. 10–30 days).
5. Act — if needed, record fix completion.

Client mistake	Consequence
Phone only, no writing	No proof of claim date
DIY demolition before visit	Cause dispute
Late claim	If contract limits reporting window

Warranty and final payment

Final payment and retention are different tools but both affect end motivation.

Tool	Purpose
Final 5–15%	Close punch list at handover
Retention 5–10%	Short buffer after acceptance
12–24 mo warranty	Longer-term work defects

Payments: staged payment guide. Paying in full before acceptance removes finish leverage but does not replace a warranty clause.

Materials: who answers for what

Purchase model	Material warranty	Install warranty
Contractor buys	Manufacturer + contractor install	Contractor
Client buys	Supplier / manufacturer	Contractor if they installed
Mixed	Per estimate lines	Per contract

Estimate should list brands or classes — estimate guide. Unrecorded material swaps complicate warranty fights.

Contractor warranty vs manufacturer warranty: do not mix them

Two liability layers operate on site:

Layer	Who provides	Covers
Contractor warranty	Per contract	Install quality and workmanship
Manufacturer warranty	Brand / factory	Material defect if install was correct
Equipment warranty	Appliance seller	Fixtures, boiler, ventilation

Contractor answers for how tile was laid; manufacturer — factory tile defect with correct install. Client-supplied material against contractor substrate advice complicates claims.

In short: fix labor warranty in contract; keep material receipts and passports for manufacturer claims.

What to request at handover for future warranty

Document	Why for warranty claim
Final acceptance act	Warranty clock start
Concealed-work acts	Prove contractor did the node
Electrical / plumbing diagrams	Locate defect
Mix and waterproofing datasheets	Material vs install dispute
Handover punch list	Separate old vs new defects

Document package transfers with the property. Missing files do not cancel contract warranty but slow diagnosis and increase claim friction.

Typical disputes and prevention

Dispute	Risk reduction
"Crack was always there"	Acceptance act + handover photos
"Not our node"	Concealed-work diagrams
"Late claim"	Written ticket immediately
"Warranty does not cover this"	Detailed contract clause

Main risk: mixing warranty with free maintenance. Contractor is not obliged to redesign for free or fix what you changed after handover.

Response deadlines: what to negotiate in contract

Warranty without response times becomes endless waiting. Negotiation benchmarks (fix in contract):

Step	Reasonable guide
Claim acknowledgment	3–5 business days
Site visit	5–10 business days
Non-critical fix	10–30 days
Leak / electrical emergency	24–72h visit; repair per act

Critical defects (active leak, power loss) deserve faster visit rules. Cosmetic touch-ups can sit in normal queue if contract separates priority levels.

Checklist for the client

Before signing

• Contract has "Warranty" section with term and exclusions
• Claim channel and response / repair deadlines defined
• Start date tied to final acceptance act
• Roles clear when client supplies materials

At acceptance

• Act signed (with or without punch list as fact)
• Electrical and plumbing diagrams received
• Critical defects not left open without deadline
• Used acceptance checklist

After move-in

• Defects reported in writing with photos
• Contract, acts, correspondence kept
• No unauthorized work on node before contractor visit

Warranty after you hire another trade

If after handover you hire another installer and they touch the contractor's node (e.g. cut into a wall with new wiring), warranty on that node may be limited. Contracts often have third-party work clauses — read before DIY or other trades.

Client action	Warranty risk
Faucet swap without riser work	Usually low
Outlet moved by another electrician	Medium — area around new chase
Floor opened for your plumbing	High for waterproofing and screed
Kitchen install without fixing mounts	Medium for walls and MEP

Before post-handover work — email contractor: "we plan X, does it affect warranty?" Keep the reply.

When to contact Profmaster

Contact us if:

• another contractor's contract lacks warranty or it is too vague;
• you need turnkey renovation with contract warranty and post-handover service;
• defects remain after acceptance and the contractor delays fixes;
• you plan full or designer renovation with acts, diagrams, and warranty package;
• you need advice on what is claimable in your situation.

Profmaster:

• writes warranty in contract with clear exclusions;
• hands over acts and concealed-work diagrams at handover;
• handles warranty claims via agreed channel;
• delivers turnkey renovation in Moscow and the region since 2006.

Services, projects, contacts — to request a sample contract with warranty section.

Acceptance, payment, and warranty: one protection line

Warranty, acts, and final payment are one system. If you signed an act "with reservations" but set no fix deadline, those items may fall outside warranty later. If you paid 100% before acceptance, punch-list motivation drops and "minor vs defect" fights drag on.

Tool	Protects against
Interim acts	Hidden defects
Act with punch list	Handover defects written off later
Final payment after acceptance	Delayed fixes
Warranty clause	Post move-in defects

Payments: staged schedule; contract: 15 points.

Summary

Apartment renovation warranty works when detailed in the contract and backed by acceptance acts. Term, scope, exclusions, and claim process are not fine print — they define whether a complaint will be heard.

Do not rely on chat promises. Match the contract before deposit, accept work with a checklist, keep documents — then warranty stays a working tool, not an empty website line.