Are you licensed, bonded, and insured?

Absolutely. We're fully licensed and insured in Massachusetts, and our team carries bonding to protect your property during any service call. Before we start work, we're happy to share our credentials with you. Living and working right here in South Hamilton, we take our reputation seriously—that means standing behind every job with proper coverage and accountability.

How can I get an accurate quote over the phone?

Give us a few details: the size of your door, whether it's a single or double, the opener brand if you know it, and what service you need. Photos help too—snap one with your phone and we can often assess damage or wear. For complex issues like track damage or full replacements, we'll schedule a quick in-person look to guarantee accuracy. No surprises when our technician arrives.

My garage door won't close all the way—I think the safety sensors are misaligned.

Safety sensors keep your family protected, so this is worth addressing fast. Those little eyes near the floor on each side need a clear line of sight to work. Debris, dirt, or a bump during winter snow removal around here can throw them off. We'll realign them, check the wiring, and test the reverse function. Usually a straightforward fix that takes under an hour.

Do you work with all garage door opener brands?

We service Chamberlain, LiftMaster, Genie, Wayne-Dalton, and most other major brands. If your opener is aging or failing, we'll recommend an upgrade that matches your door and budget. Modern openers are quieter and more reliable than older models—especially helpful in neighborhoods like ours where homes sit close together. Call us and we'll discuss what makes sense for your setup.

What style of garage door works best for homes in South Hamilton?

Our area has a mix of classic New England colonials, ranch homes, and older cottages. Raised-panel and carriage-style doors complement traditional architecture beautifully, while modern homes suit contemporary flat or glass-panel designs. Insulated doors are smart here—our winters are cold and our summers humid, so R-value matters. We'll help you pick a style that fits both your home's character and your climate needs.

What exactly does your warranty cover?

Our workmanship warranty covers parts and labor for one year on repairs. New door installations include a manufacturer's warranty on the door itself (typically 5–10 years depending on the product) and a lifetime warranty on springs. Openers usually carry a one-year parts warranty from the maker. We'll walk you through what's covered before we leave your property, and a copy goes in your paperwork.

My weather stripping is cracked and letting cold air in. Can you replace it?

Absolutely—worn seals are common after a few New England winters. We replace the rubber strips along the sides and bottom, plus the threshold seal if needed. New weather stripping keeps heat in during winter and moisture out during humid summers, so your garage stays more comfortable and your door operates more smoothly. It's an affordable upgrade that pays dividends on energy bills.

My door came off the track. Is it dangerous to try to fix myself?

Please don't attempt this alone. An off-track door is heavy and the springs are under serious tension—one slip can cause injury. We see this happen after snow accumulation or kids playing rough with the door. Getting it back on safely requires proper tools and technique. Call us right away and we'll have you back in business quickly, usually within a few hours of your call.

Do you offer battery backup in case of power outages?

Yes. Battery backups let you open and close your door during an outage—crucial if you're stuck outside or need access to your garage. They're especially valuable here during nor'easters and winter storms. We install systems that give you several cycles of operation and integrate with most modern openers. They're affordable insurance against being stranded, and we can talk through options that fit your needs.

Size Measurement Guide: What Every Homeowner Should Know

January 5, 2026 9 min read David Martinez

Whether you're replacing an old garage door or installing a new one, accurate measurements are essential. Incorrect measurements can result in doors that don't fit, expensive returns, and installation delays. This guide provides everything you need to know about measuring for a new garage door.

Why Accurate Measurements Matter

A garage door that's even an inch too wide won't fit your opening, while one that's too narrow leaves gaps that compromise security and energy efficiency. Professional measurements account for:

- The rough opening dimensions, Headroom and sideroom requirements, Track and spring system clearances, Weather seal allowances

The Three Critical Measurements

1. Width Measurement

The width measurement is taken at the widest point of your garage door opening.

How to Measure: - Measure from the inside edge of one side jamb to the inside edge of the opposite jamb, Take measurements at the floor level and at the top of the opening, Use the smaller of the two measurements as your width

Standard Widths: - Single car: 8' or 9' wide, Double car: 16' wide, RV or oversized: 18' or larger

If your opening measures between standard sizes (for example, 8'6"), you'll typically need to order the next size up and adjust the installation accordingly.

2. Height Measurement

Height is measured from the finished floor to the bottom of the header (the horizontal framing member above the opening).

How to Measure: - Measure from the highest point of the floor (accounting for any slope) - Measure to the bottom of the structural header, not to any trim, Take measurements on both sides of the opening and use the smaller number

Standard Heights: - Residential: 7' or 8' (84" or 96") - Commercial: Often 10', 12', or higher, Custom heights available for non-standard openings

3. Headroom Measurement

Headroom is the distance from the top of the door opening to the ceiling or any obstruction. This measurement determines what type of track system can be installed.

Minimum Requirements: - Standard extension spring system: 10" of headroom, Standard torsion spring system: 12" of headroom, Low headroom track: 9-10" of headroom, Commercial installations: Varies by door size and opener type

Additional Important Measurements

Sideroom

Sideroom is the distance from the edge of the door opening to the nearest wall or obstruction on each side. This space is needed for the vertical track and mounting hardware.

Minimum Requirements: - Standard installations: 3-3/4" on each side, Commercial or heavy doors: May require more

Backroom (Depth)

Backroom is the distance from the front wall (where the door opening is located) to the back wall of the garage. This determines how much horizontal track can be installed and affects the door's open position.

Minimum Requirements: - The backroom should equal the door height plus 18" for standard installations, Low headroom installations may require additional backroom

Measuring for Replacement Doors

When replacing an existing door, you have two options:

Option 1: Measure the Existing Door This works if your current door fits well. Measure the door panels themselves: - Width: Measure from edge to edge of the door, Height: Measure from the bottom of the bottom panel to the top of the top panel

Option 2: Measure the Opening This is preferred, as it accounts for the actual space available: - Follow the width and height measurement procedures above, Also measure headroom and sideroom

Common Measurement Mistakes to Avoid

1. Measuring to Trim Instead of Framing: Always measure to the structural opening, not decorative trim 2. Ignoring Floor Slope: Garage floors often slope for drainage; measure at the highest point 3. Forgetting About Obstructions: Note any pipes, lights, or stored items that might interfere with door operation 4. Not Accounting for Weather Seals: Factory doors often require 1/4" to 1/2" clearance on sides 5. Measuring Only Once: Always measure twice and verify your numbers

When to Call a Professional

While DIY measurement is possible, professional measurement is recommended when:

- Your opening has unusual dimensions or angles, You're uncertain about headroom or sideroom requirements, You're upgrading to a different track system, You're considering opener installation, You want to ensure warranty coverage

At South Hamilton Garage Doors, we offer free in-home measurement and estimates. Our technicians have measured thousands of openings and can quickly identify any special considerations for your installation.

The Measurement Checklist

Before ordering or scheduling installation, verify you have:

- [ ] Width measurement (at floor and top) - [ ] Height measurement (both sides) - [ ] Headroom measurement - [ ] Sideroom measurement (both sides) - [ ] Backroom measurement - [ ] Notes on any obstructions - [ ] Photos of the opening (helpful for consultation)

Ready for Your New Door?

Armed with accurate measurements, you're ready to explore your options. Contact South Hamilton Garage Doors for a free consultation. We'll verify your measurements, discuss your style preferences, and provide a detailed quote for your new garage door installation.

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