Repairing a shop sign

“LED sign board repair near me”, “lightbox LED replacement” and “loose 3D letters” are the repair searches. They are urgent and they are still quote on inspection, because the part in your hand is not known until the tray is open or the letter is off the wall. What this page can do is stop the expensive mistake: buying a new sign because one module, one driver or one stud has failed. Fabrication of a replacement face or a replacement letter is the maker’s line if the old part is actually scrap.

Three failures get mixed in one WhatsApp. The lamp: modules dark, a driver dead, a tube still fluorescent. The skin: vinyl peeling, print faded, a face bowed. The fixing: a letter that spins, a tray that sways, a bracket pulling out of plasterboard. Each one has a different next hour. The lamp might be a like-for-like module on an existing supply. The skin might be a new face on a sound tray. The fixing might be a refusal to put the letter back until the wall is solid. Send the clip that shows which of the three you have. A still photo of a sign in daylight does not show a dark patch.

The station light box in the photograph is the species, an illuminated box, in another place. It is not a price for modules and not a Singapore shop. Use the lightbox page if the tray itself must be replaced, and the letter page if the whole word is new. This page is the visit that tries to keep the existing sign.

Curtains, blinds and roller shades are not part of this booking.

LED replacement starts with the isolator off. Open the retainer. Look for a string that is out rather than a whole tray of failed diodes. Modules in a cheap tray are often stuck with a pad that has let go, so the module hangs on its wires and the light becomes a wedge. Screw or clip the module back to the tray back if the maker provided a point, on the voltage the driver already supplies. Do not mix 12-volt modules onto a 24-volt driver because the drawer had those. A driver that is swollen, rusted or hot to the point of discolouration is replaced with one suited to the module load, in a place with air. That part is quote on inspection. If the mains feed is burnt, or there is no isolator, stop. An EMA licensed electrician repairs the supply. The S$220 to S$450 circuit band applies only when a new dedicated circuit is actually being installed. A driver swap is not that band.

A fluorescent tray that still strikes, or that hums and does not, can be converted when the tray is dry and flat. The ballast and the tombstones come out. Modules go on a clean back. The old ballast left in circuit is the sloppy conversion, and it is how the new LEDs die. Water in the tray is fixed before any new module goes in: open the bottom drain, clear the silicone that sealed it, and do not close the face on a damp back. A tide mark in the print is often that water, not a need for brighter LEDs.

Peeled or faded vinyl on a fascia or a face is a film job. If the print is on a film applied to a sound acrylic or composite panel, the film comes off with heat and a plastic blade and a new film goes on, quote on inspection, printed by the maker. If the acrylic itself has cracked or the composite has pillowed, a new film will show the pillow. Say so. External vinyl on a west-facing shopfront fades. Putting the same cheap film back in the same place is how you buy the repair twice. Internal print, or a laminated film the maker rates for outside, is the specification question. We do not invent a fade life in years. Window vinyl that has peeled follows the window page, including the rule against steel blades on glass.

Loose letters are an anchor failure until proven otherwise. A stud that spins in plasterboard will spin again if you pack it with glue. The repair is a backer into studs, or a raceway, or a new anchor in sound masonry at a sensible distance from the burst hole. The old hole is filled when it matches S$150 to S$280. A second hole 15 mm away, with the first left open, is refused. If the letter’s thread is stripped, the letter goes back to the maker. We do not drill out a stainless return on site and call it repaired. A letter that fell because adhesive was the only fixing is remounted mechanically. Adhesive can seal the edge after the stud is doing the work. It does not replace the stud.

For a lightbox, say whether the darkness is a patch, a flicker or a total blackout, and whether you can hear a hum. Do not open the tray before the visit if you are unsure it is isolated. For vinyl, photograph the edge that has lifted and say how long it has been outside. For letters, say how many move and what the wall is. One loose letter on a solid pier is a different visit from six letters on a hollow logo wall.

Mall units may only allow the repair at night. The overnight row is S$380 to S$650 when it matches. The repair part is still quote on inspection. Water dripping from the tray is a reason to switch off and wait. We do not module a wet sign.

Repair the failed part. Replace the sign only when the tray, the face or the wall is finished.

Questions a business should ask

Ask what failed. Do not ask only for a new sign price.

1. Is the fault a patch, a blackout, a peel or a loose letter?
2. Is there an isolator, and is the tray dry?
3. What voltage are the modules, and is the old ballast still in circuit?
4. Is the vinyl on glass, acrylic or a composite panel, and is that panel flat?
5. What is the wall behind a loose letter?
6. Will the repair be at night in a mall, and does the overnight row match?
7. If a part is scrap, who fabricates the replacement?

A dark sign on a five-foot way and a dark sign in a mall do not share a ladder plan.

A repair does not reset a missing licence. If the sign was unlawful, putting new LEDs in it does not make it lawful. BCA’s page is still the outdoor test. HDB’s non-flicker line still applies if you are changing the programme while the tray is open. SCDF exit signs are not repaired by swapping in a shop-sign module. Clause 8.1 and SS 563 are a different product.

Electrical work on the mains is an EMA licensed electrician. Low-voltage module wiring on an isolated tray, like for like, is the repair we are describing, and it is still quote on inspection. We will not call it a handyman lamp change to force a smaller band. No warranty period is published for modules or vinyl.

Official pages

• BCA: outdoor advertising sign and signboard licence
• SCDF Fire Code 2023 clause 8.1: exit lighting and exit signs
• BCA: building works that do not need plan approval

Homey Furnishing Pte. Ltd. (ACRA UEN 202018148K), 27 Mandai Estate, #06-10 Innovation Place, Singapore 729931, invoices the permit-exempt visit. V On Construction Pte. Ltd. (ACRA UEN 201611708H), on the HDB Directory of Renovation Contractors, invoices hacking, a new layout, and an HDB renovation permit. Homey Furnishing is not a property agency, not a CEA practice, and not a MOM-licensed employment agency.

How you're charged

A job that already has a sentence on HomeySG uses that sentence. The hour is not added on top of a band unless the written scope says so. There is no fuel surcharge and no published night premium except the mall overnight row.

Modules, drivers, vinyl and re-anchoring are quote on inspection. The circuit band is only a new dedicated circuit. The patch band is only a hole that matches.

Ways to keep the bill smaller

• Film the failure at night so a dark patch is visible. A daylight photo hides it.
• Replace the driver and the dead string, not the tray, when the tray is sound.
• Specify outdoor-rated film if the panel faces the weather. The cheap film is the second invoice.
• Fix the wall once. Glue on a loose letter is the visit you pay for twice.

WhatsApp the photos to +65 8561 0630.

No repair part has a price. These rows are the edges of the job.

Anything not in that table is quote on inspection.

WhatsApp the photos to +65 8561 0630. The reply uses a band already printed on HomeySG, or it says quote on inspection.

• Shop signage index
• When the tray itself is finished
• When the letters are new
• Vinyl on glass
• Drivers, studs and walls
• Licensed electrician