Engineered Exterior Structures Built for Longevity
Custom Decks, Garage Additions & Exterior Carpentry in Kitchener-Waterloo
CFS Contracting provides end-to-end exterior finishing, custom carpentry, and structural additions across Kitchener, Waterloo, Cambridge, and Woodstock. From custom cedar pavilions and composite deck framing to structural garage additions and barn conversions, we execute every exterior build with precise framing, proper moisture protection, and code-compliant footings.
- Helical Piles & Deep Footings : Poured concrete footings or engineered helical piles below the local frost line (4ft+) to prevent seasonal ground heave.
- Moisture Barriers & Flashings: Flashing systems installed around wall intersections, ledger boards, and openings to prevent long-term rot.
- Permits & Structural Design: Complete management of municipal permit applications, structural engineering reviews, and site inspections in Kitchener, Waterloo, and surrounding townships.
Custom Decks, Pergolas & Outdoor Living Pavilions
Garage Additions, Outbuildings & Barn Conversions
Exterior Accent Work, Siding & Trim
Case Study
Timber Pavilion & Outdoor Living Feature
Custom timber-framed backyard shade structure featuring louvered privacy walls, exposed rafter joinery, and integrated stone patio with seating area.

CFS
4-Step Exterior Process
In-Home Consultation
We review your space, take measurements, and discuss budget and material preferences.
Detailed Scope & Estimate
You receive an itemized proposal covering labor, materials, and timeline expectations.
Execution & Site Protection
Dust containment barriers, clean job site protocols, and steady build progress.
Final Walkthrough
A meticulous walkthrough to ensure every trim line, and final finish meets our high standards.