Company Introduction
Who we are and how we build across Ontario.
BUILDING DEPOT
ONTARIO'S AUTHORIZED MEGADOME DEALER
Engineered Fabric Buildings + Complete Project Delivery.
From site planning & engineering to foundations, construction, installation and commissioning — Building Depot, Ontario's Authorized MegaDome Dealer, delivers complete turnkey engineered fabric building solutions, including membrane replacement.
★★★★★4.9 / 5 · 127 reviews
650+ Ontario installsAuthorized MegaDome Dealer
WSIB Insured & $5M Liability
CSA S367 & OBC Compliant
650+ Ontario Installs
4.9 ★ Google · 127 Reviews
50+ yrs
MegaDome Manufacturing Experience
100%
Engineered Buildings
100%
Ontario Building Code Compliant
1
Single Point of Contact
INDUSTRY SOLUTIONS
Engineered for every Ontario industry.
Agriculture
Dairy, calf, poultry, hay, grain and machinery storage.
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Equipment Storage
Trucks, trailers, fleet and seasonal equipment cover.
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Salt Storage
Municipal salt sheds and de-icing material domes.
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Municipal
Public works yards, waste transfer and sand storage.
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Mining
Equipment shelters, ore covers and process buildings.
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Commercial
Warehousing, distribution, sports and retail facilities.
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Industrial
Manufacturing, processing and heavy-industry sites.
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Aviation
Engineered hangars with clear-span access for aircraft.
ExploreWHO WE ARE
Your Ontario fabric building specialist.
From site planning and construction management to foundations and final commissioning, Building Depot designs, supplies and installs engineered fabric-span buildings across Ontario. Every structure is stamped for site-specific snow, wind and seismic loads — and assembled by our own crews.
- Stamped engineering
- Ontario-wide installation
- Translucent natural light
- Turn-key project delivery
- In-house foundations
- 15-year membrane warranty
COMPLETE PROJECT DELIVERY
From site planning to commissioning — one team.
Building Depot manages the entire construction lifecycle of your MegaDome building: site planning, stamped engineering, foundation construction, steel erection, membrane installation and final commissioning — all under one contract.
01
Site Planning
Site review, layout and permit strategy for your Ontario property.
02
Engineering
P.Eng-stamped drawings for site-specific snow, wind and seismic loads.
03
Foundations
In-house concrete, precast block and helical pile foundations.
04
Construction
Hot-dip galvanized steel frame erection by our own crews.
05
Installation
Membrane tensioning, doors, ventilation and accessories.
06
Commissioning
Final inspection, warranty handover and lifecycle support.
WHY CHOOSE BUILDING DEPOT
Seven reasons Ontario buyers choose us.
Authorized MegaDome Dealer
Direct factory relationship with Harnois — genuine MegaDome engineering, parts and warranty support.
Complete Turnkey Service
One contract from engineering through commissioning — foundation, steel, membrane and accessories.
In-House Installation Crew
Our own crews assemble every MegaDome — no subcontractor handoffs, no scheduling gaps.
Site-Specific Engineering
Stamped to your site's snow, wind and seismic loads under the Ontario Building Code.
Ontario-Wide Coverage
Crews mobilize province-wide, from Niagara to Thunder Bay. Travel included in the quote.
Membrane Replacement & Repairs
Full lifecycle support — re-tensions, panel swaps and full re-skins on any fabric brand.
Foundation to Fabric — One Company
Single point of contact from first drawing to final tensioning. Honest, fixed Ontario quotes in 24 hours.
SEE IT BUILT
Drone footage, installs and project walk-throughs.
Watch real Building Depot crews installing engineered engineered fabric buildings across Ontario.
Installation Time-Lapse
Foundation to weather-tight in a few weeks.
Drone Project Footage
Completed fabric building installs across the province.
FEATURED PROJECTS
Ontario fabric buildings, delivered.
AgricultureFree-Stall Dairy Barn
Wellington County, ON 80' W × 240' L × 22' H
Translucent membrane gives the herd consistent natural light; ridge vent and gable louvers keep ammonia and humidity in check year-round.
Salt StorageMunicipal Salt Storage Dome
Ottawa Valley, ON 70' W × 120' L × 28' H
Concrete L-block foundation engineered for full salt stockpile. Wide-open clear-span lets the loader work without column collisions.
MiningMining Equipment Shelter
Sudbury Basin, ON 100' W × 220' L × 32' H
Hot-dip galvanized frame and AR-series membrane built for high-abrasion environments and heavy haul-truck access.
CommercialDistribution & Warehousing Facility
Vaughan, GTA 120' W × 300' L × 26' H
Clear-span warehouse with dual side-wall personnel doors and end-wall overhead bay for full trailer access.
Equipment StorageEquipment & Fleet Storage
Barrie, ON 60' W × 160' L × 20' H
Year-round cover for trucks, trailers and seasonal equipment. Pier foundation poured in two weeks.
AviationAviation Hangar
Northern Ontario 90' W × 90' L × 24' H
Open-span hangar with engineered hangar door — natural light keeps maintenance work fast and pleasant.
READY WHEN YOU ARE
Send us your site. We'll send back drawings, timelines and a fixed quote.
HAVE DRAWINGS OR A TENDER PACKAGE?
Send your project to Building Depot.
Upload architectural or engineering drawings, site plans, specifications, tender documents or photos. Our Ontario engineering team reviews every submission and responds with scope, pricing and schedule.
- Architectural & engineering drawings
- Site plans and grading information
- Specifications and tender documents
- Building dimensions and photos
Upload Your Project Get a Preliminary Project Budget
Tenders, RFPs and early-stage budgets all welcome
FREE RESOURCES
Plan your project before you talk to a salesperson.
Download our buyer's guide, spec sheets and Ontario site-prep checklist — no sales call required.
Building Depot Buyer's Guide
32-page PDF covering sizing, snow loads, accessories and Ontario pricing.
DownloadSite-Prep Checklist
Everything your site needs before our crew arrives — grading, power, access.
DownloadSpec Sheets & Drawings
Stamped engineering samples, foundation details and accessory cut-sheets.
DownloadFREQUENTLY ASKED
Ontario fabric building questions, answered.
Ontario Service Area
Serving fabric building projects across Ontario
TorontoGTAMississaugaBramptonVaughanMarkhamRichmond HillNewmarketOakvilleBurlingtonMiltonPickeringAjaxWhitbyOshawaHamiltonNiagara RegionGuelphKitchenerWaterlooCambridgeOrangevilleBarrieMuskokaOwen SoundPeterboroughBellevilleKingstonOttawaLondonSarniaChatham-KentWindsorSudburyNorth BayTimminsSault Ste. MarieThunder BayNorthern Ontario
READY TO BUILD?
Get a Building Depot Ontario quote in 24 hours.
Tell us your site, size and end use. Our Ontario engineering team will scope, price and schedule your fabric building.
Ontario engineers on the line · quote returned within 24 business hours
- AuthorizedMegaDome® Dealer for Ontario
- 500+Ontario projects delivered
- TurnkeyEngineering · foundation · install
- OBCP.Eng-stamped to Ontario Building Code
- 25-yrMembrane warranty · 50-yr frame life