Electric Strike Installation in Azusa

How this works in Azusa

Strikes aren't universal, and compatibility is where most electric strike installation problems begin. A cylindrical lock, the knob or lever set found on most office doors, uses a rectangular strike at a standard 4-7/8 inch height. A mortise lock has a deeper, differently shaped latch and often a deadlatch that needs its own strike. Narrow-stile aluminum storefront doors usually carry a deadlatch or hookbolt that calls for a strike built for thin frames. Panic hardware with a rim device latch takes yet another type. Beyond the latch, we look at the frame: pressed steel with a reinforced pocket, a wood jamb, or an aluminum extrusion with almost no wall to work with. The backset, the distance from the door edge to the lock center, and the gap between door and frame decide whether the keeper can release freely. Sometimes the answer is a different strike; occasionally it's a different lock. We would rather tell you that at the first visit than after the frame is cut.

How we can help in Azusa

• Fail-secure strike installation. Fail-secure means secure when something fails. The keeper holds the latch until a short pulse of low-voltage power moves it aside, and because it's energized only briefly, it runs cool and sips current. We recommend it for any entry door that has to protect people or inventory when the lights go out.
• Fail-safe strike installation. Sometimes a door must open itself when power goes away: a corridor in a building with a fire-alarm release, for example. A fail-safe strike does that. We rarely put one on an exterior entrance, because an outage leaves it unlatched, but for interior zones it is the right tool, wired to a properly sized supply.
• Frame cutting in hollow metal and wood. Pressed-steel frames accept a strike with a precise cutout and a clean back-box, usually after we check what's behind the jamb. Wood frames get routed to the template. We use jigs and templates so the opening matches the strike body, vacuum the debris, and touch up exposed metal so it doesn't rust.
• Card, fob and keypad reader integration. Standalone keypads suit one or two doors; networked controllers suit a suite or building. Either way the strike follows the controller's lead. We wire the reader, strike and exit sensor, configure schedules and codes with you, and write down the settings so they survive a change of staff.
• Power supply, wiring and latch monitoring. Latch monitoring lets the system know whether the door is actually latched rather than just closed. A strike with a latchbolt monitor switch, combined with a door-position switch, gives a clean picture: closed, latched, released. We add those when your system or your alarm monitor wants them.

What's different about Azusa

Foothill and hillside neighborhoods see more wind and, sometimes, planned power shutoffs during dangerous fire weather. For a strike-controlled door that matters: a fail-secure strike keeps the door locked and the key working when the grid is off, while a fail-safe strike would unlatch. We choose fail-secure for exterior entries here, and add a small backup supply if the reader must keep working through an outage.

Near campuses, strikes appear on student-housing lobbies, tutoring centers, lab suites and private-study spaces. Doors see heavy use, cards get lost constantly and guests always try to follow someone in. A reader plus a strike lets managers cancel a lost fob in seconds, and a door-position switch flags propped doors. We pick heavy-duty models and short release times, and schedule installs around move-in surges.

New buildings are the easiest places to add a strike, because power and conduit can reach the frame before drywall goes up. If your Azusa project is still being framed, call us early: a door prepped for a strike costs far less than one retrofitted. Builder-grade locks in new tracts and tenant improvements may also be light-duty, so we check that lock and strike are rated for the traffic.

Common situations

• A typical call: a small dental office near Azusa City Hall wants its waiting-room door to stay locked between patients. The front desk sits across the room, so hygienists keep walking out to let people in. The door has a Schlage lever on a pressed-steel frame. We'd fit a fail-secure strike, put a release button on the reception counter, and leave the lever and key exactly as they are.
• Think of a boutique in a strip center off Alosta Avenue with an aluminum storefront door and an Adams Rite deadlatch. The owner often works alone and wants to buzz in delivery drivers from the back counter without leaving a customer. The jamb extrusion is thin, so we'd choose a narrow-frame strike, add a reinforcing plate behind it, and check that the door still closes cleanly against its weatherstripping.
• Consider a tenant improvement in a two-story office building where a suite door opens off a rated corridor. The tenant wants a card reader. The frame carries a fire label, so a standard strike is out. We'd pick a strike listed for fire-rated openings, follow the manufacturer's cutout limits, and flag the work for the building's engineer or the fire marshal before we begin.
• In a building of salon suites, the rear door gets propped open because tenants and clients lose keys constantly. A reader with a fob for each stylist, a fail-secure strike and a door-position switch would change that. If the door stays open too long, the system chirps, and the owner can pull a record of which fob opened it and when.

Step by step with Julian's Locksmith

1. Look at the door and the latch. On site we look at what you have: the latch, the strike plate, the frame, the gap, the closer and where power could come from. Photos help over the phone, but a walk-through spots the sagging hinge or the hidden reinforcement that pictures miss.
2. Choose the strike and approve the quote. We recommend a strike model, a failure mode and a release method, then write a quote covering hardware, frame work, wiring and testing. If part of the job belongs to an electrician or fire alarm contractor, the quote names that part. Nothing is cut until you approve.
3. Prepare the frame. We tape the area, mark the opening from the actual latch height, and cut the pocket to the strike's template. Metal frames get a clean-edged cutout and, where needed, a back-box. Wood frames are routed. Dust and filings are vacuumed up, and bare metal is primed.
4. Run the wiring and set up power. Power sits where it can be reached and locked away, and each conductor is labeled at both ends. On a long run we increase the wire size to avoid voltage drop, because a strike that gets too little voltage may buzz and fail to release. Anything needing an electrician is flagged, not improvised.
5. Mount and align the strike. The strike is fastened in its pocket and the keeper adjusted so the latch enters freely, rests without rattling and leaves without catching. We close the door slowly and slammed, with the closer working and with it disconnected, and tune until the strike behaves under both.
6. Test, demonstrate and hand over. We test every path: power on, power off, release button, reader, key from outside, lever from inside, and a fire alarm signal if one is connected. Then we show you how the door behaves and what to do if it doesn't, and leave you the strike model, voltage and wiring notes.

Pricing factors

• Failure mode and power equipment. Power equipment is a real part of the cost: the supply, fuse, enclosure and optional battery backup. Fail-safe designs and doors with several devices need more. If a suitable supply already exists in the building, we can use it, provided it has spare capacity.
• Wire distance and route. Cable is cheap; getting it there isn't. If the supply is across the building, the run crosses a fire-rated wall or the ceiling is hard-lid, labor grows. Sometimes a closer supply or a different release point saves more than any hardware choice.
• Release method and add-ons. What triggers the strike changes the price: a button, intercom, keypad or reader. Credentials such as cards and fobs are an ongoing cost as staff come and go. We price monitoring items like a door-position switch separately, because some customers want alerts and some don't.

Every job gets a clear quote before any work starts. Call (951) 903-3193 with the details and we'll tell you what to expect for your situation in Azusa.

What not to do

• Leaving a plain spring latch exposed. If the lock has no anti-shim guard, someone can slide a card between door and frame and push the latch back, strike or no strike. A deadlatching lock or a guard plate closes that gap and is worth adding.
• Cutting a fire-rated frame for an ordinary strike. Rated frames and doors carry labels, and a strike without the right listing can void the rating or fail inspection. Look for the label before you cut, and ask the building department if you're unsure.
• Assuming a strike makes a weak door strong. The strike is only one point in the frame, and a kicked door usually fails at the jamb, the screws or the hinges. Thin frames and short screws deserve attention, so we often add longer screws and a reinforcing plate.

Advice before you book

• Don't oil the keeper. Oil collects dust and grit, and inland heat bakes it into gum. A shot of dry PTFE or graphite on the latch is better. If the strike starts to stick, clean the pocket and check the alignment before you reach for any lubricant.
• Ask for a door-position switch if your door tends to get propped open. A door left ajar triggers a chirp or an alert, which stops a strike door from becoming an unlocked door by habit. The sensor is a small cost next to the equipment it protects.
• Test the door during an outage by switching off its breaker. With the power off, does the key still work from outside, and does the lever still let people out? If either answer is no, the design needs another look before an emergency, not during one.
• Test the door as it is today. If it needs a shove or a lift to latch, a strike will not cure that and may make it worse. Fix the closer, hinges or door sag first. A strike releases a latch, but it can't make a door close squarely.

Getting to Azusa

Azusa is about 38 miles from our San Bernardino base, roughly 46 minutes in light traffic via University Parkway to I-215 South for about a mile. When you call, you get an arrival estimate based on where the technician is and the traffic at that moment.

Homes and businesses just off Cerritos Avenue are routine stops for us. Give the suite or unit number and any gate instructions, and say whether the van can park out front or should pull into a side lot.

About Azusa: Henry Dalton bought Rancho Azusa in 1844, and Jonathan S. Slauson laid out the Azusa townsite in 1887, the year the Los Angeles and San Gabriel Valley Railroad arrived.

Business lock or door work in Azusa?

Call (951) 903-3193 with the address, the doors or hardware involved and when the site is open. We'll quote the job before any work starts and book a time within our hours that suits your schedule.