Old Seal Removal
Failed silicone, cracked caulk, dirty edges, and loose sealant are identified for proper removal.

SCHEDULE AN INSPECTION
Tell us what you need and a certified specialist will visit you to evaluate your project and give you a real quote the same day.
WHY DO I NEED A TECHNICAL VISIT?
Your project may be eligible to have the technical visit fee deducted from the final invoice.
Our team will contact you via WhatsApp or phone to confirm your visit.
Ontario certified professionals
Serving GTA since 2005
On all workmanship
Verified reviews
A small air drafts sealing job can become a bigger repair concern when loose parts, damaged surfaces, worn hardware, awkward access, or unfinished repair work are ignored. In Markham homes, including detached houses, executive townhouses, and older properties, gaps and worn sealant can show up around windows, doors, tubs, showers, sinks, counters, concrete joints, and masonry joints.
CNG Contracting checks the actual surface, parts, measurements, and access before recommending the next step. This helps confirm what can be handled, what should happen first, and whether nearby finished surfaces need extra care during the work.
Our air drafts sealing service is suited for homeowners who want small gaps, failed sealant, or unfinished sealing issues addressed before the problem gets worse, before listing the home, or before starting another project.
Service requests may come from areas such as Unionville, Cornell, Berczy Village, or Angus Glen, where home age, finishes, and access conditions can vary from property to property.
Every home is different, so the technical visit matters. Material condition, access, fit, measurements, hardware, and nearby finished surfaces can change how air drafts sealing should be handled. We review the work area in plain language and explain the next steps before anything is approved.
During the visit, the technician checks site conditions, access, materials, measurements, surrounding surfaces, and the expected scope. The quote is finalized only after these details are reviewed, so the recommended work reflects the actual condition of the Markham property rather than a guess made online.
For urgent drywall repairs in North York, call us to schedule an appointment today.
(647) 669-7346
We check seal condition, gaps, access, and nearby finishes so the approved work is clearly defined.
Failed silicone, cracked caulk, dirty edges, and loose sealant are identified for proper removal.
Surfaces are cleaned, dried, measured, and checked for backer rod or adhesion concerns.
New sealant is applied at tubs, showers, sinks, counters, windows, doors, and exterior joints.
Bead lines are smoothed, edges are cleaned, and curing time is explained after application.
Old caulk, silicone seams, tub edges, and visible gaps are reviewed for next steps.
Access, clearance, nearby finishes, and work area limits are checked before approval.
Ready to get started?
Local specialists in Air drafts sealing in Markham
Book your technical visit online. Our North York team contacts you to confirm.
CNG Contracting is based in Brampton and serves Markham for air drafts sealing by scheduled technical visit. Travel, availability, access, and scope are confirmed before the appointment is approved, helping plan work for detached homes, executive townhouses, and older Unionville properties across York Region East coverage.
Daily optimized routes to reduce wait times.

Select a date for our technician's visit. We guarantee full transparency from the very beginning.
We visit your home, evaluate the damage, materials, and access. The visit fee covers our travel time.
Approve the project knowing the exact total cost. No surprises. Evaluated and quoted under professional standards.
We complete the work to our 2-year warranty standard. You inspect the final finish before we consider it done.








It’s a professional on-site assessment. A certified CNG Contracting technician inspects the work area, takes measurements and photos, checks access, safety, and any constraints (power, water, ventilation), and discusses your goals, style, and finishes. You’ll receive a detailed proposal with a clearly defined scope, timeline, and material options. Even if you choose not to proceed, you keep the written findings and recommendations.
We typically confirm within 2 business hours by email or phone with the earliest available time window. For urgent issues, we try to offer same day response when scheduling and scope allow. Larger jobs may require material lead times if so, we coordinate the earliest visit that avoids delays once on site.
After the assessment we define a clear scope of work (tasks, inclusions, timeline, and material assumptions). Your quote reflects that scope as a fixed price it won’t change unless you approve a scope change or we uncover a hidden condition that wasn’t visible during inspection (e.g., concealed rot). Any change is documented with photos and options before proceeding.
We protect floors and high-traffic areas, isolate dust where needed, and remove debris at the end of the day. We aim to minimize disruption to your routine. At handover, we complete a quality checklist and, when appropriate, share before-and-after photos for your records.
For services labeled “materials included”, standard consumables and parts are covered. For custom work (e.g., built-ins), we can price both CNG-supplied materials and client-supplied materials. We’ll specify makes, quantities, and compatibility to ensure durability and code compliance.
Yes. Rescheduling with at least 48 hours’ notice is free. Short-notice cancellations may incur a coordination fee. If weather or health/safety concerns arise, we prioritize safety and offer the closest new slot available.
We provide a 2-year workmanship warranty. If something isn’t right, we’ll diagnose and correct it promptly. For support, email handyman-pro@cngcontracting.com
or call (647) 669-7346; we’ll schedule a follow-up, document findings, and complete the corrective work.
Yes. We offer maintenance plans, priority response, standardized task catalogs, and consolidated invoicing for offices, retail, and multi-unit buildings. Ask about SLAs and reporting if you manage multiple locations.
Absolutely. We design and install grab bars, threshold ramps, wider doorways, anti-slip flooring, walk-in shower rails, and more. We assess reach, transfer zones, and path-of-travel to reduce fall risk and increase independence. We’ll explain pros/cons, maintenance, and lifespan of each option.
We cover Toronto (all boroughs), Mississauga, Brampton, Hamilton, Oakville, Burlington, Vaughan, Richmond Hill, Markham, Oshawa, Milton, Guelph, Cambridge, Kitchener, Waterloo, London, Barrie, St. Catharines / Niagara and more. Our system assigns the nearest crew and accounts for travel to meet the agreed time window.
Yes. We can review window gaps, door gaps, old caulk, silicone seams, and nearby surfaces in Markham homes, including detached houses, townhomes, and older Unionville properties, then explain what can be sealed and what may need approval first.
Yes. Cracked caulk, uneven joints, worn silicone, damaged trim, loose material, or finished surfaces nearby can change the approach. We check the surface condition, fit, measurements, access, and hardware before recommending the proper air drafts sealing scope.
During the visit, the technician reviews the draft area, materials, hardware, access, measurements, and surrounding finishes. You are then given a clear explanation of the recommended next step and a quote before any work is approved.
It is smart to book before painting, flooring, listing the home, or scheduling other trades, especially if access could become harder. Early review helps confirm what can be sealed and whether nearby repairs should happen first.
Our team is ready to prioritize your project in North York if you need it.
(647) 669-7346
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| Monday | 7 AM – 5 PM |
| Tuesday | 7 AM – 5 PM |
| Wednesday | 7 AM – 5 PM |
| Thursday | 7 AM – 5 PM |
| Friday | 7 AM – 5 PM |
| Saturday | 9 AM – 5 PM |
| Sunday | Closed |
Ready to Transform your Space
Schedule an inspection with our expert team. We cover distances strategically to give you the best guaranteed service.