San Dimas Magnetic Lock Installation Built Around a Safe Exit

Magnetic Lock Installation in San Dimas: what to expect

Doors dictate the hardware. An outswing steel door with a solid header takes a standard header-mount lock easily. An inswing door usually needs a bracket kit so the magnet and plate meet squarely. Aluminum storefronts have narrow headers and thin extrusions, so the magnet may need a through-bolted backing plate or may be better as a concealed shear lock. Tempered glass can't be drilled once it has been made, so glass doors use clamp-style brackets that grip the glass without any holes. Double doors need either two magnets or a combined unit, plus a plan for the inactive leaf. Wood doors need through-bolts long enough to resist pulling out. We look at the door, the header and the swing during the survey and choose the mounting kit before you see a price, because it is often the largest piece of magnetic lock installation. If the header cannot carry a magnet, we say so and suggest another route.

How we can help in San Dimas

• Header-mounted maglocks on outswing doors. Most outswing steel and wood doors in San Dimas can take a standard header-mount lock with little drama. The two tasks that matter are anchoring the magnet to something that won't flex, and aligning the plate within a small fraction of an inch. A weak anchor or a loose plate is where holding force disappears.
• Inswing doors, brackets and offset mounts. Not every door suits a maglock, and inswing doors are where we are most careful. Sometimes a bracket solves it neatly. Sometimes the geometry points toward an electric strike or other electrified hardware instead. We tell you which before anything is drilled.
• Frameless and tempered glass doors. Frameless glass has no stile, no hole and no margin for error. A glass-door bracket holds the armature plate with a clamp and rubber gaskets, and the magnet goes on a header, a sidelight or a mounting plate. We check glass thickness and pivot condition, because a sagging pivot defeats any magnet.
• Exit sensors and push buttons. A motion sensor above the door detects someone leaving and cuts power so the door opens. A push button, mounted near the door and wired to interrupt power directly, gives a second route out. We aim the sensor at the exit side and test it with people walking, carrying items and moving slowly.
• Fire alarm release and code review. A fire alarm release uses a relay from the panel to cut lock power when the alarm activates. We install the relay on the lock's power line and test it with your fire alarm contractor, who has to trigger the panel. When building rules require sprinkler release too, we plan for that.

How San Dimas shapes the job

Hotels, spas and event venues use maglocks on glass doors to pool areas, fitness rooms and back-of-house corridors where guests and staff share space. The exit has to be obvious to someone who has never been in the building, and doors must release for staff carrying trays or luggage. We install clear signage, sensors that detect approach reliably, and a fire alarm release your alarm contractor can test.

Wind, brushfire and planned power shutoffs are part of life in foothill communities. A maglock releases when power fails, so a long outage can leave a door unlocked unless you plan for it. We add battery backup sized for realistic outages, suggest a mechanical key lock for off-hours security where the rules permit, and explain what the door will do at each stage so you are never surprised.

Inland heat stresses power supplies, batteries and plastic parts. A supply in an unvented ceiling can run hot and fail, and backup batteries age faster. Glass and aluminum doors expand in afternoon sun, which can shift plate alignment slightly through the day. We mount supplies where air moves, check alignment hot as well as cool, and put a battery replacement date on the label.

Common situations

• Say an earlier installer put a maglock on an office door with a card reader and nothing else. There is no exit button, no sensor and no link to the fire alarm. We'd survey the door, explain what is missing, add a sensor, a push button and a release relay, and tell you honestly which parts the building official will care about.
• Take a warehouse pedestrian door that opens outward onto a loading yard off Bonita Avenue. Forklifts bump it, and the frame is thin. A maglock may not be the best choice, because the magnet needs solid anchoring and a flexing frame loses holding force. We'd weigh a strike or an electrified exit device first, and use a maglock only if the frame can be stiffened.
• Consider an office whose doors fell open during a blackout. The cause was a small plug-in adapter with no backup feeding two maglocks. We'd replace it with a fused, regulated supply, add battery backup so the doors hold through short outages, and recommend a mechanical keyed lock for off-hours security, so protection no longer hangs on one adapter.
• Suppose a heavy glass door slowly sags on its pivots, so the plate no longer meets the magnet squarely and the door pulls open with a firm tug. The lock isn't weak; the door has moved. We'd adjust or replace the hardware that holds the door, realign the plate, and confirm full contact before blaming the magnet.

From your call to the finished job

1. Survey the door, header and exit path. Before choosing a magnet, we check what you're attaching it to. A header that flexes, a door that sags or a closer that slams will undermine any lock. We note the problems and, if necessary, fix them before the lock goes in.
2. Design the release path and quote. We decide which magnet or magnets, which brackets and which release devices the door needs: sensor, button, fire alarm relay and credentials. The written quote shows each piece and flags anything that needs an electrician, fire alarm contractor or building official before work begins.
3. Mount the magnet and armature plate. The magnet face and plate must meet flat. We check the gap, adjust the plate until contact is even, and clean both faces so no paint, dust or tape sits between them. Small gaps cost large amounts of holding force.
4. Run the power, sensors and fire alarm release. Low-voltage cable runs from the lock to the power supply, sensors, button and controller. We route it through the ceiling or a raceway, keep power and signal wires neatly separated, and label both ends. Fire alarm relays go in the lock's power line and are tested with the alarm contractor.
5. Program credentials and set the timers. We enter cards, fobs or codes, set the release time and schedules, and decide what happens if someone holds the door open. A short release time discourages tailgating; a longer one helps people carrying loads. We choose a sensible compromise for your door and write it down.
6. Test every release and hand over. Testing covers power on, power off, credential, push button, motion sensor and fire alarm release, with the door pulled hard against the magnet. We also test the batteries, if installed, and show you how to check the system monthly.

Pricing factors

• Door type and mounting hardware. A steel outswing door with a solid header is the simplest mounting. Glass doors need clamp brackets, inswing doors need offset kits, and aluminum storefronts may need backing plates or a concealed shear lock. Mounting hardware is often the biggest single part of the price, so we choose it first.
• Cable route and header access. Headers can hide surprises: steel, conduit, glazing channels or nothing solid to anchor into. We probe before committing, and our quote notes what we found and what might change once the frame is open. A header that turns out to be thin drywall or hollow aluminum means backing plates or a different mounting plan, and we would rather tell you that before drilling than after.
• Permits, inspections and timing. Life-safety changes may require a permit, plan review or inspection by the fire marshal or building department. Those steps add time and sometimes fees that we do not control. We tell you what we expect and work to the schedule your reviewer sets.

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 San Dimas.

Advice before you book

• Review who holds access a few times a year. Cards and codes pile up as staff, vendors and contractors come and go, and every extra credential is a door that opens for someone. Remove what you no longer need and keep a short list of current holders.
• Think about off-hours security. A maglock lets go when power fails, so a blackout can leave a door unlocked. If that matters overnight, consider battery backup, a separate keyed lock where exit rules allow it, or an electric strike. Each has tradeoffs, and we will walk through them.
• Aim the exit sensor with care. It should see people approaching from inside, not passers-by outside or sunlight on a glass door. Seal gaps at the bottom of the door and keep paper, signs and decorations out of its view.
• Test the exit button and sensor monthly. Press the button and confirm the door releases; walk toward the door from inside and confirm the sensor does the same. Put the test on a calendar, because exit devices are exactly the part nobody notices until it fails.

Mistakes to avoid

• Assuming holding force equals security. A 1,200-pound magnet on a door with weak hinges, a thin frame or a gap at the edge can still be forced somewhere else. The door, the frame and the hinges matter as much as the magnet.
• Drilling tempered glass. Once glass is tempered it can't be drilled or cut, and any attempt can shatter the panel. Use glass-door clamps that grip the edge. If a door was drilled previously, we can judge whether existing holes can be used safely.
• Installing the lock without an exit plan. A maglock with a card reader and nothing else can trap people if the controller fails while the lock stays energized. A sensor, push button and fire alarm release aren't optional on exit doors, and an inspector will look for them.

Getting to San Dimas

San Dimas is about 34 miles from our San Bernardino base, roughly 37 minutes in light traffic via University Parkway to I-215 South. When you call, you get an arrival estimate based on where the technician is and the traffic at that moment.

Once the evening commute thins out on Gladstone Street, drive times usually shrink. That makes an evening call before closing a practical option for non-urgent jobs that you couldn't fit into the workday.

About San Dimas: San Dimas voters approved cityhood on June 28, 1960, and incorporation took effect on August 4, 1960, making it the 70th city in Los Angeles County.

Business lock or door work in San Dimas?

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.