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Exterior Renovations

Siding Replacement in Ontario

Siding replacement is a chance to renew everything between the framing and the weather, not just the visible surface. We strip existing cladding back to the sheathing, replace any sections that moisture has compromised, then rebuild the assembly in the right order: a continuous weather barrier, properly lapped flashing at every window and door, strapping where the design calls for a drainage gap, and finally the new siding. That layered approach is what keeps wind-driven rain and freeze-thaw cycling out of the wall for the long term.

Material choice drives most of the decisions that follow. Vinyl stays the budget-friendly workhorse; fibre cement and engineered wood cost more but hold paint well and shrug off hail and temperature swings; steel suits modern designs. Each has its own fastening, expansion and clearance rules, and each behaves differently through an Ontario winter. We help you weigh appearance, durability and upkeep, then schedule installation inside the warm-weather window so sealants cure properly and the house is never left open to the weather.

What this covers

  • Removal and disposal of existing siding, trim and fasteners
  • Sheathing inspection, with replacement of moisture-damaged sections priced before work continues
  • New house wrap or weather-resistive barrier, taped and sealed at seams
  • Flashing at windows, doors, penetrations and material transitions
  • Strapping for a rainscreen drainage gap where specified
  • New siding and matching trim installed to manufacturer specifications
  • Site cleanup, magnet sweep for fasteners and a final walkthrough

What affects the price

  • Total wall area and the number of storeys to scaffold
  • Siding material, profile and colour — premium products carry premium pricing
  • What removal reveals: hidden moisture damage adds scope once walls are open
  • Complexity of the facade — gables, bump-outs and the number of openings to flash and trim
  • Whether exterior insulation or a rainscreen assembly goes under the new siding
  • Access and disposal logistics on tight urban lots

Every home is different, so we don’t publish flat prices — the quote is free and based on your actual job.

Siding Replacement near you

We take quote requests across Ontario. Local pages:

TorontoOttawaMississaugaBramptonCaledonHamiltonVaughanMarkhamRichmond HillAuroraNewmarketGeorginaWhitchurch-StouffvilleKingOakvilleBurlingtonMiltonHalton HillsOshawaWhitbyAjaxPickeringClaringtonKitchenerWaterlooCambridgeLondonBarrieInnisfilBradford West GwillimburyCollingwoodSt. CatharinesNiagara FallsWellandGrimsbyFort ErieGuelphWindsorKingstonGreater SudburyPeterboroughThunder BayBrantfordBellevilleSarniaWoodstockStratfordOrangevilleCornwallNorth BaySault Ste. MarieChatham-KentOrilliaWasaga BeachMidlandNew TecumsethSt. ThomasKawartha LakesCobourgPort HopePrince Edward CountyQuinte WestLeamingtonOwen SoundBracebridgeHuntsvilleNiagara-on-the-LakeTimminsBrockville

Common questions

How long does siding replacement take?
Most detached homes run one to three weeks depending on wall area, the number of openings to flash and what the strip-down reveals. We work wall by wall so the weather barrier goes on the same day cladding comes off — the house is never left exposed overnight.
Can new siding be installed over the old siding?
Sometimes it is physically possible, but we recommend against it. Stripping to the sheathing is where the real value sits: renewing the weather barrier, flashing every opening and confirming the structure is dry. Layering new over old hides problems, creates uneven surfaces and can void manufacturer warranties on the new product.
Which siding material handles Ontario winters best?
Fibre cement and steel take freeze-thaw cycling and ice impact particularly well. Engineered wood performs strongly when detailed correctly. Vinyl remains a solid budget choice provided it is fastened loosely enough to expand and contract through large temperature swings. The installation details matter as much as the material itself.
Do I need a permit to replace siding?
Straight replacement of cladding generally does not require a building permit in Ontario municipalities. Permits enter the picture if the project alters structure or changes openings, and heritage-designated homes may need approval before the exterior changes. We verify the requirements with your local building department before work is scheduled.

Ready to sort out your siding replacement?

Tell us what you're planning — one room or the whole home — and get a free quote.

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