Old Seal Removal
Removal of failed silicone, cracked caulk, dirty edges, and loose sealant affecting draft-prone joints.

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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 turn into a bigger repair when loose parts, damaged surfaces, worn hardware, awkward access, or unfinished repair work are ignored. In Oshawa homes, from post-war detached houses and bungalows to newer builds, the right approach depends on the actual surface, parts, measurements, and access at the work area.
This service is a good fit for homeowners who need gaps, old sealant, or unfinished sealing handled before the issue gets worse, before listing the home, or ahead of another project. We look at the condition of the existing caulk, silicone seams, joint edges, and nearby finished surfaces before recommending the next step.
Homes in areas such as Lakeview, Pinecrest, Taunton, and Windfields can vary widely in age, materials, and access, so the same sealing issue may need a different repair plan from one property to another.
Every home is different. Material condition, access, fit, measurements, hardware, joint depth, and nearby finished surfaces can change how air drafts sealing should be handled. During the technical visit, our technician checks the site conditions, access, materials, measurements, surrounding finishes, and the practical scope of work before the quote is finalized.
The visit also helps confirm whether old seal removal, joint preparation, new seal application, or added protection steps are needed. We explain the work in plain language so you know what can be handled, what may affect the result, and what needs approval before the work proceeds.
For urgent drywall repairs in North York, call us to schedule an appointment today.
(647) 669-7346
We keep the process clear so you know what is checked and what can be handled.
Removal of failed silicone, cracked caulk, dirty edges, and loose sealant affecting draft-prone joints.
Cleaning, drying, gap sizing, backer rod review, and adhesion surface checks for reliable sealing.
Sealing for tubs, showers, sinks, counters, windows, doors, and selected exterior joints.
Smooth bead lines, edge cleanup, curing guidance, and moisture exposure planning after application.
Review of old caulk, silicone seams, and tub edges to confirm the next step.
Checking clearance, nearby finishes, and work-area access that may affect sealing approach.
Ready to get started?
Local specialists in Air drafts sealing in Oshawa
Book your technical visit online. Our North York team contacts you to confirm.
CNG Contracting is based in Brampton and serves Oshawa for air drafts sealing by scheduled technical visit. Coverage is planned across Durham Region, with travel, availability, access, and scope confirmed before the appointment is approved so the visit fits the property type and requested sealing work.
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 Oshawa homes, including older bungalows and newer builds, so you know what can be sealed and what may need additional approval.
Yes. Loose trim, cracked caulk, uneven masonry, worn weatherstripping, damaged concrete joints, or painted-over seams can change the tools, materials, and approach. We check the condition first so the sealing work suits the actual surface.
During the visit, the technician checks access, measurements, materials, hardware, and surrounding finishes. We then explain the practical scope, recommended next step, and quote for approval before work proceeds, whether the home is in Lakeview, Taunton, or nearby areas.
Book once you notice drafts, gaps, loose caulk, or unfinished sealing, especially before painting, flooring, staging, or other trades make access harder. In Durham Region homes, an early review helps confirm what should be sealed 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.