How do I maintain garage door tracks and rollers through NB winter conditions?

Maintaining your garage door tracks and rollers through a New Brunswick winter requires cleaning and lubricating the hardware at least twice during the cold season — once in early November before sustained freezing arrives, and again in mid-January or February when salt and grit accumulation is at its worst. NB's combination of extreme cold, road salt tracked in on vehicles, and moisture from snow-covered cars creates a uniquely harsh environment for garage door hardware, and neglected tracks and rollers are the most common cause of sticky, noisy, or jammed garage doors in winter.

Start with the tracks. Use a damp cloth to wipe down the inside of both vertical and horizontal tracks, removing accumulated dirt, salt residue, and any debris. Do not lubricate the tracks themselves — lubricant on the tracks causes rollers to slide rather than roll, which leads to uneven door movement and premature roller wear. The tracks should be clean and dry. While wiping them down, check that the tracks are securely fastened to the wall framing and that the brackets have not loosened from vibration. Also verify that the tracks are plumb (vertical sections) and level (horizontal sections) using a spirit level — cold-weather door problems are often caused by tracks that have shifted, not by the rollers themselves.

Rollers are the components that need lubrication. There are two types common in NB garages: steel rollers (the standard builder-grade type with exposed ball bearings) and nylon rollers (quieter, longer-lasting, and increasingly popular). For steel rollers, apply a silicone-based or lithium-based lubricant to the bearings and shaft — two or three drops per roller is sufficient. Do not use WD-40 as a lubricant; it is a solvent and penetrant that actually strips existing lubrication and attracts dust. In NB's cold temperatures, use a lubricant specifically rated for low-temperature performance — standard petroleum-based greases thicken below -15 degrees Celsius and can cause rollers to bind. Products labelled for garage door use or rated to -40 degrees Celsius are readily available at NB building supply stores for $8-$15 per can.

Nylon rollers require less maintenance but still benefit from a light application of silicone spray on the bearing and shaft once or twice per winter. If your steel rollers are worn, noisy, or wobbling on their shafts, replacing them with nylon rollers is one of the best upgrades you can make — a set of 10 rollers costs $30-$60 and the replacement is a straightforward DIY job for all rollers except the two bottom rollers on each side, which are under spring tension and should only be replaced by a professional.

Hinges connect the door panels and hold the rollers. Apply the same low-temperature lubricant to each hinge pivot point. Check that hinge screws are tight — the vibration of daily operation combined with temperature cycling loosens hardware over the course of a winter. If screw holes have become stripped in the door panel, use slightly longer screws or fill the hole with a wooden dowel and wood glue before re-driving the screw.

The garage door springs (either torsion springs above the door or extension springs along the horizontal tracks) should be visually inspected but never adjusted or replaced by a homeowner. These springs are under extreme tension and cause serious injuries when they fail or are improperly handled. If your door feels heavy, does not stay open at the halfway point, or has visible gaps in the spring coils, call a professional. Apply a light coat of lubricant to torsion springs to prevent rust — this extends their lifespan and reduces noise.

The opener chain or belt also needs attention. Chains should be lubricated with white lithium grease along their length. Belt-drive openers require no lubrication. Check the opener's force settings — cold weather causes the door to be stiffer, and an opener that was properly adjusted in summer may struggle in January. Most openers have force adjustment screws on the back of the unit. Increase the force slightly if the door reverses partway through its travel in cold weather, but test the auto-reverse safety feature after any adjustment by placing a 2x4 on the floor in the door's path.

This entire maintenance routine takes 30-45 minutes and the materials cost under $20. It is well within DIY capability for any homeowner. However, if your door is making grinding noises, jumping off the tracks, or has visibly damaged rollers or bent tracks, a professional garage door technician should assess the situation. Find garage door professionals through the New Brunswick Construction Network at newbrunswickconstructionnetwork.com.