Blog - M&M Skylights

Can You Repair a Leaking Skylight?

Wed, 01 Apr 2026 18:21:00 GMT

A leaking skylight can quickly turn from a minor annoyance into a major home repair headache. Water stains, peeling paint, or even mold growth may appear before you ever notice a drip. The good news is that not every skylight leak requires a full replacement, but identifying the true source of the problem is the first critical step.

Can you repair your leaking skylight? Here’s how to find the source of the leak and determine whether you should repair or replace your skylight.

Tracing the Leak

One of the trickiest aspects of skylight leaks is that the water doesn’t always enter directly above the damage you see. Water can travel along roofing materials, beams, or insulation before it becomes visible inside your home. That means a leak that appears to come from the skylight could actually originate from damaged shingles, improper flashing, or nearby clogged drainage channels. Signs to watch for include discoloration around the skylight frame, bubbling drywall, condensation between glass panes, or damp spots after heavy rain or snowmelt.

Can You Repair It?

Once the source is identified, repairs may be possible depending on the cause and the skylight’s condition. Minor issues—such as cracked sealant, small gaps in flashing, or debris buildup—can often be fixed without replacing the entire unit. Resealing the edges, repairing or replacing flashing, and clearing weep holes are common solutions that can restore proper function. If the skylight itself is structurally sound and relatively new, repair is usually the most cost-effective route.

When It’s Time to Replace

However, there are situations where replacement is the better option. If the skylight is old, inefficient, or has recurring leaks, repairs may only provide temporary relief. Cracks in the glass, warped frames, or failed seals between panes (which cause fogging) are strong indicators that the unit has reached the end of its lifespan. Additionally, if the skylight was poorly installed to begin with, replacing it with a modern, energy-efficient model can prevent ongoing problems and improve insulation.

Repair or Replace a Leaking Skylight with M&M Skylights

Ultimately, the decision comes down to the extent of the damage, the skylight’s age, and the root cause of the leak. Our team at M&M Skylights can thoroughly inspect your skylight and the surrounding roof area to identify the source of the leak and determine whether you can repair it. When we’re finished, your home will once again be well-lit and leak-free.

Illuminating Home Upgrades: The Longevity of a Velux Skylight

Sun, 01 Mar 2026 09:53:00 GMT

When you want to add more natural light to your home, a skylight is the obvious choice. And if the longevity of your home improvements matters t o you, a Velux skylight is the way to go. But just how long do skylights actually last? It’s a smart question because a skylight is an investment in both your home’s beauty and performance.

We only use the best at M&M Skylights. Here’s what to expect when you install a Velux skylight in your home.

How Long Do Skylights Last?

If installed correctly, a quality skylight should last around 30 years. Proper installation is critical. Even the best skylight on the market won’t perform as intended if it isn’t flashed, sealed, and integrated correctly with your roofing system. That’s why professional installation makes all the difference.

At M&M Skylights, we frequently encounter older Velux skylights installed 35+ years ago that are still fully functional. That kind of longevity speaks volumes about the product’s quality. In many cases, homeowners choose to replace these older units not because they’ve failed, but to upgrade to newer, more energy-efficient models.

How Long Will a New Velux Skylight Last?

Modern skylights are built better than ever. Today’s Velux skylights are engineered with advanced sealants, improved glazing technology, and stronger materials designed to handle decades of exposure to sun, rain, snow, and temperature fluctuations.

Our estimate? 35 years or more.

With today’s manufacturing advancements and energy-efficient glass systems, new skylights are designed for superior durability and long-term performance. Many features, such as enhanced UV protection, better insulation, and improved leak-prevention systems, simply weren’t available 30 years ago.

When Should You Replace a Skylight?

Even if your skylight isn’t leaking, it may be time to consider replacement if:

It’s 25 to 30 years old
You notice condensation between glass panes
Your energy bills are climbing
You’re replacing your roof

Upgrading during a roof replacement is often the most cost-effective and seamless option.

Velux Skylight Installation: Trust the Experts at M&M Skylights

The lifespan of a skylight ultimately depends on two key factors: product quality and installation quality. At M&M Skylights, we specialize in both. Our team ensures every skylight is installed to the manufacturer’s specifications for maximum durability and performance.

If you’re considering a new skylight or wondering whether it’s time to replace an existing one, contact M&M Skylights today. With proper installation and today’s advanced materials, your skylight can brighten your home for decades to come.

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How Skylights Can Improve Indoor Air Quality and Ventilation

Sun, 01 Feb 2026 08:38:00 GMT

When most people think about skylights, they picture beautiful natural light pouring into a room. And while that glow is definitely a standout feature, skylights can do so much more for your home. Beyond brightening a space, they help improve air circulation, manage moisture, and support a healthier, more comfortable indoor environment for you and your family. That combination of beauty and everyday function is a big reason homeowners choose to work with our skylight contractors here at M&M Skylights. This month, we’re taking a closer look at the benefits of skylights that go beyond aesthetics and truly improve the way your home feels.

Let Fresh Air Flow Naturally

Skylights can be designed to open, allowing stale indoor air to escape while fresh outdoor air moves in. Because warm air naturally rises, skylights on the roof are in the perfect position to release trapped heat and stuffy air. This natural airflow helps reduce odors, remove airborne pollutants, and keep your home feeling fresher without relying only on fans or mechanical systems.

In spaces like living rooms and upper-level areas, this extra circulation can make the air feel lighter and more comfortable, especially during warmer months. It’s a simple and energy-conscious way to support better indoor air quality.

Managing Humidity in Kitchens and Bathrooms

Kitchens and bathrooms are two of the most moisture-prone areas in any home. Cooking, showering, and washing dishes all release steam into the air, which can quickly build up without proper ventilation. Excess humidity often leads to condensation on windows and walls, peeling paint, and that lingering damp feeling no one enjoys.

Skylights help release that moist air before it has a chance to settle. By allowing steam to escape upward, they reduce humidity levels and help keep these high moisture areas drier. This improves day-to-day comfort and helps protect your home’s finishes and materials over time.

Reducing the Risk of Mold and Mildew

Too much moisture in the air creates the perfect environment for mold and mildew to grow. They can ultimately affect indoor air quality and contribute to respiratory irritation for some people.

By improving ventilation and lowering humidity, skylights help make your home less inviting to mold growth. Better airflow means damp air won’t linger as long, which supports a cleaner and healthier living space.

A More Comfortable Living Environment

Good ventilation does more than protect your home. It also makes daily life more enjoyable. Rooms that feel fresh and balanced are simply more comfortable to spend time in. With the added bonus of natural light, skylights create spaces that feel open, airy, and welcoming.

If you’re looking for ways to brighten your home while also improving air quality and ventilation, skylights are a smart and practical solution. Our skylight contractors are here to help you choose the right options for your space and handle professional installation with care. Reach out today to learn how we can bring more light, fresh air, and comfort into your home!

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The Skylight Replacement Guide for New England Homeowners

Thu, 01 Jan 2026 08:36:00 GMT

A properly installe d skylight should deliver decades of natural light, comfort, and curb appeal. In fact, most high-quality units—especially those from Velux—are designed to last around 30 years. At M&M Skylights, serving homeowners across Massachusetts, New Hampshire, and Maine, we routinely see skylights that are 35 years old or more and still functioning. Even so, many homeowners choose to replace aging skylights to improve energy efficiency, prevent future issues, and take advantage of today’s advanced features.

So how do you know when it’s time for a skylight replacement rather than a repair? Here are the signs and considerations to keep in mind.

Your Skylight Is 20–30+ Years Old

Age alone doesn’t always mean failure, but it is the biggest indicator that a skylight is nearing the end of its service life. Weather, temperature swings, and exposure to UV rays gradually wear down seals, flashing, and frames. In New England’s harsh climate—where winters are icy, and summers can be humid—these aging components weaken faster. If your skylight is approaching the 30-year mark, planning for replacement is a smart preventative step.

Condensation or Fogging Between Glass Panes

If you notice persistent fog, hazing, or moisture trapped inside the glass, the seal has likely failed. Once this happens, the skylight loses its insulating power, driving up energy costs and increasing the chance of leaks.

Drafts or Temperature Fluctuations

A well-sealed skylight should not introduce noticeable drafts. If the area around your skylight feels colder in winter or warmer in summer, it might no longer be performing efficiently. Newer models offer far superior insulation, UV protection, and thermal performance.

Visible Damage or Leaking

Cracks, bubbling paint, stained drywall, or water spots near the skylight are red flags. Even minor leaks can lead to major roof damage, especially during heavy New England rain or snowmelt. Replacing the skylight—and ensuring proper flashing installation—eliminates the root cause instead of temporarily masking it.

You’re Upgrading Your Roof

If you’re replacing your roof, it’s the perfect time to replace the skylight. Installing a new roof around an old skylight often leads to problems later and can cost more in the long run.

Whether your skylight is aging, leaking, or simply inefficient, M&M Skylights offers expert guidance and professional installation throughout MA, NH, and ME. If you’re unsure about your next step, we’re happy to assess your skylight and help you make the best choice for your home. Contact us at 978-945-9412 to learn more or request a free estimate.

Sun Tunnel Skylights: What They Are and Why to Install Them

Mon, 01 Dec 2025 09:26:00 GMT

Sun tunnel skyl ights—also known as tubular skylights or light tubes—are innovative lighting solutions designed to bring natural daylight into interior spaces where traditional skylights aren’t practical. Instead of using a wide roof opening, a sun tunnel consists of a small, clear dome mounted on the roof and a highly reflective tube that channels sunlight down into your home. At the ceiling level, the tube connects to a diffuser that softly distributes light throughout the room.

Sun tunnels come in two main types: rigid tunnels, which offer the brightest, most direct path for sunlight, and flexible tunnels, which can bend around attic obstacles when a straight path isn’t possible. Their streamlined design makes them ideal for spaces that don’t allow for full-size skylights but still benefit from natural illumination.

The Purpose of Sun Tunnel Skylights

Sun tunnel skylights are specifically designed to brighten areas of the home that tend to be dark, enclosed, or lacking windows. Hallways, closets, laundry rooms, bathrooms, and interior kitchens often fall into this category. By delivering natural light into these spaces, sun tunnels help create a more open, welcoming feel without the need for additional electrical lighting during the day.

Because they require only a small roof penetration and a narrow tube, sun tunnels are often the simplest way to introduce daylight to parts of the home that were previously unreachable by traditional skylights. They’re also useful in multi-story homes where the attic obstructs the installation of standard skylights. Simply put, sun tunnels allow homeowners to enjoy sunlight in almost any interior room, no matter its location.

The Benefits of More Natural Light

Installing sun tunnel skylights offers a range of benefits. First and foremost, they provide energy savings. By reducing the need for daytime electric lighting, homeowners can lower utility bills while enjoying brighter spaces. Natural light is also known to boost mood, enhance visibility, and make rooms feel more spacious.

Sun tunnels are relatively quick and affordable to install, especially compared to traditional skylights, which often require structural modifications. Their compact design minimizes heat loss and gain, helping maintain indoor comfort year-round. Additionally, modern sun tunnels feature durable, weather-resistant materials, making them a low-maintenance, long-lasting home improvement.

Sun tunnel skylights offer a practical, cost-effective way to transform dark areas into bright, inviting spaces. At M&M Skylights, we bring natural light into your home, illuminating every dark corner. Contact us today for a free estimate!

Should You Replace Just the Glass on Your Skylight? Here’s What to Know

Sat, 01 Nov 2025 07:52:00 GMT

Skylights are a beaut iful addition to any home, bringing in natural light, reducing energy costs, and adding a sense of openness to your space. But like any part of your home, skylights have a lifespan, and after about 20 years, issues can start to appear. How do you repair a skylight? Can you repair a skylight?

A common question homeowners ask is: Can I just replace the glass on my skylight? While it might seem like a cost-effective solution—especially if your skylight has become foggy or the glass is cracked—we generally do not recommend just replacing the glass on skylights over 20 years old. Here’s why.

The Problem Goes Deeper Than Just the Glass

Over time, skylight frames naturally deteriorate. Exposure to the elements—sun, rain, wind, snow—takes its toll, even on high-quality units. The seals, flashing, and frame materials break down gradually. So while replacing the glass might solve the immediate issue of fogginess or a leak, you’re still left with a 20-year-old skylight structure. That includes:

20-year-old seals that may no longer be watertight
20-year-old frames that may have warped, rusted, or cracked
Potential leaks that could damage your roof, drywall, or insulation

Full Replacement Offers Peace of Mind

When you replace the entire skylight unit rather than just the glass, you’re essentially resetting the clock. You get new, energy-efficient glass, updated seals, improved insulation, and a frame designed to last for 20 years or more. Modern skylights are better at managing heat and UV rays, which can also help protect your interior furnishings.

When Is Glass Replacement Okay?

There are a few situations where replacing just the glass might make sense. For example, if your skylight is relatively new and the frame and seals are still in excellent condition. But for anything older than 15 to 20 years, a full skylight replacement is almost always the safer and more cost-effective choice in the long run.

Our team at M&M Skylights is ready to help you with all your skylight needs. Whether you need to replace damaged glass, repair a frame, or install an entirely new skylight, we have the knowledge and expertise you need.

How it happens:

Improper installation, aging shingles, or roof damage near the skylight can lead to water infiltration or structural issues.

Our fix:

We inspect the roof around your skylight to ensure everything is sealed and structurally sound. If needed, we coordinate repairs to the surrounding roof to protect both your skylight and home.

Trust M&M Skylights for Professional Skylight Repair

If you’re experiencing any of these issues, don’t wait—minor problems can lead to costly damage if left unaddressed. M&M Skylights brings years of specialized experience to every skylight repair, offering quick diagnostics, transparent pricing, and long-lasting solutions.

Bright Ideas for Businesses: Commercial Skylight Companies Improve Productivity

Wed, 01 Oct 2025 02:43:00 GMT

In today’s commercial design, sustainabilit y and employee well-being are more than just trends—they’re essential. One of the most effective ways to support both is by introducing more natural light and fresh air into the workspace. That’s where commercial skylight companies like M&M Skylights step in, providing tailored daylight and ventilation solutions that elevate any commercial environment.

Natural Light as a Design Asset

Commercial skylights do more than brighten a room. Natural light enhances productivity, reduces eye strain, and promotes healthy circadian rhythms. For office buildings, schools, hospitals, and warehouses, strategically placed skylights can significantly reduce the need for artificial lighting, thereby cutting energy consumption while enhancing the comfort of those inside.

Modern systems from VELUX Commercial and other leaders are designed for both form and function. Whether it’s a flat-roof skylight system for a warehouse or a modular skylight array in a retail space, these products deliver consistent daylight without overheating the building.

Built-In Ventilation for Healthier Indoor Environments

Ventilation is crucial in commercial spaces, where air quality affects both performance and health. Skylights with integrated ventilation allow fresh air to circulate throughout the building, removing stale air, humidity, and indoor pollutants.

Operable skylights can be programmed to open automatically, based on indoor climate conditions. This not only enhances comfort but also supports passive cooling strategies, helping facilities reduce their HVAC usage.

What Commercial Skylight Companies Provide

Professional commercial skylight companies, such as M&M Skylights, handle more than just product installation. Services often include:

Daylighting consultation and energy modeling
Custom skylight system design
Flashing integration to maintain waterproofing
Maintenance planning and product upgrades

Whether you’re constructing a new facility or retrofitting an existing one, experienced installers ensure your skylights meet building codes, energy requirements, and long-term performance expectations.

Sustainable Skylight Solutions That Work

As more businesses prioritize sustainability, skylights are becoming central to green building design. By reducing the need for artificial lighting and mechanical ventilation, they directly contribute to energy efficiency targets and LEED certification goals.

If you’re searching for ways to create brighter, healthier commercial interiors, commercial skylight companies like M&M Skylights are your go-to partners. From daylight design to installation, they’ll help you harness the natural power of the sun and fresh air, without compromising on function or aesthetics.

Discover how commercial skylights can transform your building—contact M&M Skylights today for a consultation.

Let More Light In: Why Homeowners Choose Skylight Contractors for VELUX Sun Tunnel Installation

Sun, 31 Aug 2025 02:42:00 GMT

Natural light can transform any space, but not every home is built to capture it. That’s where skylight contractors come in, offering expert installation of innovative solutions, such as the VELUX Sun Tunnel. If you have a dark hallway, bathroom, or laundry room with no access to natural light, the VELUX Sun Tunnel may be the perfect fix.

What Is a VELUX Sun Tunnel?

Unlike traditional skylights that require direct roof-to-ceiling access, a VELUX Sun Tunnel uses a highly reflective tube system. This systems channels daylight from the roof into your home. These tunnels are ideal for small or enclosed spaces and are designed to be energy-efficient and visually discreet. With options for rigid or flexible tubing, Sun Tunnels can be installed in a wide range of roof types, including asphalt shingles and metal roofing.

Why Hire Professional Skylight Contractors?

Installing a VELUX Sun Tunnel isn’t your average DIY weekend project. Certified skylight contractors, such as the team at M&M Skylights, understand the complexities of roofing systems, flashing details, and ceiling finishes. A professional will assess your home’s structure to determine optimal tunnel placement and ensure a seamless, leak-proof installation. In most cases, the process can be completed in just a few hours.

Benefits of the VELUX Sun Tunnel

Enhanced Natural Light – The Sun Tunnel delivers bright, clear light into areas of the home that typically receive little to no natural light.

Energy Savings – By reducing your need for artificial lighting during the day, you’ll save on your electricity bill.

Affordable Upgrade – Compared to full skylight installations, Sun Tunnels are a cost-effective and less invasive option.

Curb Appeal & Comfort – A well-lit home feels larger and more inviting, boosting both its visual appeal and your comfort level.

For homeowners seeking to brighten their homes without a full remodel, the VELUX Sun Tunnel offers an innovative and stylish solution. Trust experienced skylight contractors like M&M Skylights to guide you through the process from consultation to installation.

Ready to light up your home naturally? Contact M&M Skylights today for a free estimate.