Preparing Your Garage Door for Storm Season
2026-01-15
New Hampshire's weather can be unforgiving, with nor'easters, heavy snowfall, ice storms, and occasional severe thunderstorms testing the limits of every home component—including your garage door. As the largest opening in most homes, your garage door is particularly vulnerable to storm damage. Proper preparation can mean the difference between minor inconvenience and costly repairs or dangerous failures.
Understanding Storm Vulnerabilities
Your garage door faces multiple threats during severe weather. High winds can cause the door to bow inward or outward, potentially pulling it off its tracks. Flying debris can dent panels or break windows. Heavy snow and ice accumulation adds tremendous weight and can freeze components. Flooding can damage the bottom panels and opener motor if water enters the garage.
The consequences of garage door failure during a storm extend beyond the door itself. Once breached, your garage becomes an entry point for wind and water, which can cause catastrophic damage to your home's structure. Wind entering through a failed garage door can lift off roofs and blow out walls due to the sudden pressure change inside the home.
Pre-Storm Season Inspection Checklist
Before storm season arrives, conduct a thorough inspection of your garage door system. Start with the door panels themselves. Look for rust, cracks, dents, or warping that could weaken the door's structure. Pay special attention to the bottom panel, which is most susceptible to water damage and impact from debris.
Next, examine the weatherstripping around all edges of the door. The bottom seal should make firm contact with the floor without gaps. Side and top seals should be pliable, not brittle or cracked. Damaged weatherstripping allows water, snow, and cold air to enter and should be replaced immediately.
Check all hardware including hinges, rollers, cables, and springs. Look for signs of wear, rust, or damage. Loose hardware can fail under the stress of storm conditions. The horizontal tracks should be level and securely mounted to the wall. Vertical tracks should be plumb and firmly attached to the door frame.
Reinforcement Options for High Winds
If you live in an area prone to high winds, consider permanent reinforcement upgrades. Horizontal bracing kits add steel struts across the back of each door panel, significantly increasing wind resistance. This upgrade is particularly important for doors wider than 16 feet, which are more susceptible to wind damage.
Vertical bracing, installed on the inside of the door from top to bottom, provides additional strength. Some homeowners opt for complete wind-resistant door replacement, especially if their current door is older or has been damaged. Modern wind-rated doors are tested to withstand specific wind speeds and may be required by building codes in some areas.
For temporary protection before an approaching storm, horizontal wooden braces can be secured across the inside of the door. Use 2x4 lumber cut to fit across the width of each panel, secured with brackets or hold-down devices. While not a permanent solution, this can provide critical reinforcement when you know severe weather is imminent.
Protecting Against Ice and Snow
New Hampshire winters bring unique challenges for garage doors. Ice accumulation on the door and tracks can prevent proper operation. Apply silicone-based lubricant to all moving parts before winter to help prevent ice buildup. Never use salt or ice melt products near your garage door, as they can corrode metal components.
Clear snow from in front of the door after each storm. Snow packed against the bottom seal can freeze the door shut and damage the seal when you try to open it. Keep the tracks clear of ice and debris. If your door becomes frozen to the ground, never force it open—this can damage the door, cables, or opener. Instead, use a heat gun or hair dryer to carefully melt the ice.
Consider installing a garage door threshold seal, which creates a raised barrier that prevents water from flowing under the door. This is particularly valuable if your driveway slopes toward the garage or if flooding is a concern in your area.
Emergency Preparedness
Know how to operate your garage door manually in case of power outage. Every garage door opener has an emergency release, typically a red cord hanging from the trolley. Practice using it before you need it. Keep a flashlight near the door so you can find the release in the dark.
If you must leave your home during a storm, consider disconnecting the opener and locking the door manually using the slide lock on the inside. This provides additional security and prevents wind from forcing the door open. Have contact information for emergency garage door repair readily available—many companies, including Wilton Garage Doors, offer 24/7 emergency service.
Post-Storm Assessment and Action
After any significant storm, inspect your garage door before attempting to operate it. Look for visible damage to panels, glass, hardware, or tracks. Check that the door is still properly aligned in the opening. Listen for unusual sounds during operation and stop immediately if you hear grinding, scraping, or popping noises.
If you discover damage, resist the temptation to repair it yourself unless you have experience with garage door systems. The springs and cables are under extreme tension and can cause serious injury if mishandled. Document any damage with photos for insurance purposes and contact a professional repair service.
At Wilton Garage Doors, we prioritize storm damage repairs and can often respond same-day for emergency situations. We also offer pre-storm inspections and reinforcement installations to help protect your home before severe weather strikes. Don't wait until a storm is approaching—prepare now to protect your home and family.
Prepare Before the Next Storm
Schedule a pre-storm inspection and reinforcement consultation with our expert technicians.