Definis and Sons Window & Door
Official verified garage door contractor serving Philadelphia, Pennsylvania and Philadelphia County.
⭐ Verified Yelp Rating & Reputation
💬 Recent Verified Customer Experiences:
"The garage door jumped its track and was hanging crooked at a terrifying angle with cables tangled on the drum. Called Definis and Sons Window & Door's emergency dispatch and someone was at our driveway in 45 minutes. The tech secured the door safely, replaced the frayed aircraft cables with 7x19 galvanized line, and realigned the vertical rails. Highly recommended for emergency repairs in Philadelphia."
"Our door kept stopping and reversing whenever it got about two feet from the ground. Called Definis and Sons Window & Door and their technician arrived the same afternoon. Located an intermittent short in the safety sensor wiring, neatly re-routed and protected the harness, and tested the auto-reverse with a 2x4 block to ensure full safety compliance. Fair pricing and friendly service."
"Woke up to a loud bang from the garage and found one of our high-tension springs snapped clean through. Car was trapped inside and I needed to get to work. Called Definis and Sons Window & Door and their technician arrived in 35 minutes with fully stocked high-cycle oil-tempered springs on the truck. Quoted me a fair upfront price with zero surprise charges. Door was balanced, lubed, and running whisper-quiet in under an hour. Outstanding local service in Philadelphia."
🔧 Core Services & Capabilities in Philadelphia
When preparing your property for sale and needing an immediate high-ROI architectural exterior upgrade detracts from your property value, our master installers remove outdated panels and install structural aluminum framework with hairline seam alignment. Supported by Clopay Coachman 4-layer carriage house doors with high-definition composite overlays and arched windows, combining bespoke architectural beauty with commercial-strength thermal protection and effortless function.
Built to withstand a jammed warehouse loading dock door halting semi-truck freight operations and delaying client shipments in Philadelphia, our commercial division Definis and Sons Window & Door replaces bent 3-inch commercial track sections and installs heavy-duty structural steel jamb guard angles using Janus International Model 2000 commercial 26-gauge corrugated steel roll-up curtain doors. This guarantees ensuring flawless access security and uninterrupted traffic flow for commercial fleets and gated communities.
Nothing disrupts home tranquility like early morning departures sounding like an industrial factory and waking up the whole household: that is why our technicians laser-align the horizontal tracks to completely eliminate wheel bounce and panel chatter using Marantec Synergy Series ultra-silent direct-current drive heads engineered for rooms above garages, backed by Definis and Sons Window & Door's Whisper-Quiet Sound Guarantee: if it squeals or rattles, we re-tune it free.
Utilizing Wayne Dalton TruChoice Model 8300 steel insulated panels delivering exceptional R-16.22 efficiency, Definis and Sons Window & Door retrofits triple-layer insulated sandwich panels with patented non-conductive thermal breaks. This permanently seals off freezing winter drafts seeping under brittle bottom seals and turning the bedroom floor above into an icebox, so stabilizing garage interior temperatures by up to 25 degrees and noticeably lowering household energy bills.
When your overhead door binds violently mid-travel, stranding family cars inside right before school drop-off, there is zero time to waste: our technicians our rapid-response crew inspects the door's 15-point emergency balance and replaces fractured components, backed by Wayne Dalton TorqueMaster-to-standard torsion conversion kits carried in mobile stock so you can count on providing Philadelphia families with dependable emergency security they can rely on 24 hours a day.