Skylight flashing kit that makes curb‑mount skylights light up

Use VELUX’s EDL A06 flashing kit to brighten and seal your curb‑mounted skylight. This lightweight, low‑profile aluminum profile snaps into place over a tile roof, integrating adhesive so you can’t miss a leak. With its 14°–85° pitch range and 3‑ply construction, the kit lets daylight stream in while adding a third protective layer. Ideal for shingle or slate roofs, it delivers both energy efficiency and weather resistance. Curious how it handles steep angles? You’ll find out next.

Key Takeaways

• Combine a 14″ Sun Tunnel with the curb‑mount skylight and set the roof pitch to 10‑60° for optimal daylight entry.
• Use an ECL 2246 step flashing to seal the skylight opening, keeping moisture out while allowing light to pass.
• Adjust the Sun Tunnel angle to match the roof slope; a 48‑in tube angled 10‑60° captures maximum sun.
• Install the EDL A06 profile on top to diffuse light, reduce glare, and add a third waterproof barrier.
• Follow the manufacturer’s alignment and caulking instructions; the kit’s 10‑yr “No Leak” warranty guarantees long‑term illumination.

VELUX EDL A06 Low-Profile Shingle Roof Flashing

Looking for a quick, low‑profile flashing that fits your new Velux A06 skylight? The Velux EDL A06 0000B delivers a seamless solution. It’s a rectangle‑shaped, neutral gray aluminum flashing with integrated adhesive underlayment, so you skip extra caulk. Designed for FS/VS/VSE/VSS models, it handles roofing tiles thicker than half an inch and pitch angles from 14° to 85°. Lightweight at 6.89 lb, the kit fits standard site‑built curbs, square or slightly out‑of‑square. The unit blends with most roof colors and adds a third protection layer, giving your curb‑mount skylight durability and peace of mind. It’s easy to install and built to last.

Best For: homeowners installing Velux A06 skylights who need a lightweight, low‑profile flashing that works on tile roofs.

Pros:

• Built‑in adhesive underlayment eliminates the need for extra caulk.
• Neutral gray aluminum body blends seamlessly with most roof colors.
• Lightweight and compact design simplifies handling and installation.

Cons:

• Specific only to Velux FS/VS/VSE/VSS A06 skylights; not compatible with other models.
• Limited to tile roofs thicker than ½ inch and a pitch range of 14°–85°.
• Requires correct curb alignment; mis‑placement can reduce effectiveness.

Velux Curb Step Flashing Skylight Aluminum

Need a secure curb for a Velux skylight? The Velux ECL 2246 Step Flashing in aluminum delivers that. It measures 5‑3/4 in. L × 39 in. H × 15 in. D and weighs 11.45 lb. Designed for shingles, shakes, or slate with a 10°–60° pitch, it fits VELUX FCM, VCM, VCE, and VCS models 2222, 2230, 2234, 2246 and supports a 25½ in. curb width. The flashing interweaves with shingles and adds adhesive underlayment to seal and drain, ensuring a 10‑year “No Leak” guarantee when paired with a VELUX No Leak skylight. The kit comes in box with accessories and a warranty—technical support is always available for you.

Best For: homeowners with a shingles, shakes, or slate roof who need a durable, waterproof curb for a Velux skylight, especially those who want a hassle‑free, 10‑year “No Leak” guarantee.

Pros:

• Heavy‑duty aluminum construction ensures long‑term resistance to corrosion and impact.
• Integrated adhesive underlayment and shingle interweave provide superior water seal and drainage.
• Wide compatibility with multiple Velux skylight models and a range of roof pitches (10°‑60°).

Cons:

• Requires a site‑built curb, adding extra labor and material costs.
• Not suitable for tile, metal, or deck‑mount skylights, limiting installation options.
• Packaging includes a 1‑year product‑level warranty, but additional extended warranties may need to be purchased separately.

VELUX ECW 2246 Curb-Mount Skylight Flashing

For tile roofs over half an inch thick and steep, the VELUX ECW 2246 kit delivers reliable third‑layer flashing.

Designed for VCM, FCM and VCE models 2222, 2230, 2244, 2246, it slides into place over any tile and tolerates slight skew. You’ll apply it while the roof remains dry, thanks to its aluminum construction and 6.08‑lb weight, which keeps the two‑inch profile stable. The neutral gray finish blends naturally with most roofs, and you won’t need caulking or sealants—just spot clean the aluminum after installation. VELUX backs the kit with standard warranty, and their support team is ready if you hit a snag.

Best For: homeowners installing Velux skylights on tile roofs over ½” thick with pitches from 15° to 60° who want an easy, waterproof third‑layer flashing without caulk.

Pros:

• Seamless fit over existing tiles with no need for caulk or sealants
• Neutral gray aluminum finish blends with most roof colors
• Lightweight (6.08 lb) and durable, resisting corrosion

Cons:

• Requires manual installation – may need some basic roofing tools
• Only compatible with specific Velux models (2222, 2230, 2244, 2246)
• Limited color options; only the standard neutral gray is available

VELUX ECL 4646 Low-Profile Flashing

If you’re installing a skylight, VELUX ECL 4646 Low‑Profile Flashing offers effortless, reliable weather protection for your residential roof. It’s a curb‑mount step flashing, made for FCM/VCM/VCE 4646 series, and it fits asphalt shingles or wood shakes up to half an inch thick. You can use it with standard or slightly uneven curbs, and it works with Velux No‑Leak skylights to give a third waterproofing layer. The aluminum piece is neutral gray, low‑profile, and comes with an adhesive underlayment. Installing it takes minutes—no caulk or sealants needed, so you’re ready in no time, and you’ll have satisfaction, and peace of mind.

Best For: Homeowners and light‑commercial roofers installing Velux FCM/VCM/VCE skylights who need quick, no‑caulk step flashing that works on asphalt shingles or wood shakes up to ½‑inch thick.

Pros:

• Simple, fast installation with adhesive underlayment—no caulk or sealant required.
• Low‑profile gray aluminum blends seamlessly with most roof skins.
• Adds a third waterproofing layer when paired with Velux No‑Leak skylights for extra protection.

Cons:

• Only compatible with Velux FCM/VCM/VCE 4646 series skylights, not other models.
• Limited to roof pitches of 10–60°, unsuitable for steeper or very shallow roofs.
• Requires a minimum roof shingle thickness of ½‑inch; thinner wood shakes or roof skins may not be properly attached.

VELUX ECL 2270 Low-Profile Skylight Flashing

Because it’s designed for curb‑mount skylights on asphalt shingles up to ½ in., it’s ideal for small roof spaces. You’ll appreciate its aluminum build with a sleek gray finish, which feels lightweight at just 5 lb. The kit comes as a single piece with adhesive underlayment, so you can place it directly over the roof without needing caulk or extra sealants. When paired with a Velux No‑Leak skylight, this flashing adds a third water‑barrier layer, keeping moisture out while remaining airtight. It supports roof pitches from 10° to 60°, and it works with standard curbs, even if they’re slightly out‑of‑square today.

Best For: homeowners or installers looking for a lightweight, tool‑only flashing solution for curb‐mounted skylights on asphalt shingles or wood shakes up to ½ in. thick, where a sleek gray finish and integrated adhesive underlayment simplify the job.

Pros:

• Single‑piece aluminum construction weighing only 5 lb, with built‑in adhesive that eliminates the need for caulk or sealants.
• Works seamlessly with standard curb shapes and roofs pitched 10°–60°, adding a third water‑barrier layer for added protection.
• Tool‑only installation is quick and easy, making it ideal for DIY projects or time‑constrained professional jobs.

Cons:

• Designed only for curb‑mounted skylights; not suited for thru‑roof or hung‑type installations.
• Limited to roofs no thicker than ½ in.; thicker roofs require a different flashing system.
• No long‑term warranty – only a 30‑day voluntary return policy is offered via Velux.

14 Sun Tunnel Tubular Skylight Rigid Curb-Mount

Simplest for contractors installing skylights on pitched roofs, this 14″ tunnel offers seamless, waterproof integration. You’ll love how the 48‑inch tubular acrylic runs straight across the roof, providing a 14‑inch clear aperture that eliminates drafts. The gray curb flashing blends with any shingle, while the 99.9 % reflective tube channels daylight deep into your space. The kit comes with two 12‑inch elbows and a 24‑inch extension, so you can span up to 30 ft on steep pitches without extra supports. Remote control lets you switch natural light on or off, and the kit’s waterproof design keeps water where it belongs today.

Best For: contractors and homeowners seeking a quick‑install, waterproof, and energy‑efficient skylight for pitched roofs 

Pros:

• Seamless, waterproof construction that eliminates drafts
• Remote‑controlled natural‑light switch for convenience
• Easy installation with pre‑mounted curb flashing and clear dome

Cons:

• Non‑venting acrylic glazing restricts airflow control
• Acrylic can scratch or yellow over time without proper care
• Limited to specific roof pitches (0–60°) and 30‑ft span without additional supports

Factors to Consider When Choosing a Skylight Flashing Kit – Step Flashing Custom Fit Curb Mount Skylights

Material compatibility matters, so you choose a kit that matches your roof material to prevent leaks. You must also match the roof pitch and curb dimensions, ensuring the flashing fits precisely while offering integrated adhesive advantages for a secure seal. Additionally, the kit should allow size adjustment flexibility so you can tailor it to your exact curb size.

Material Compatibility Matters

Did you realize that picking the right flashing material can make the difference between a dry skylight and a leaking one? Choosing aluminum guarantees lasting corrosion resistance on shingle, shake, and slate surfaces, while steel works best for wider seams needing extra support. The material must match your roof’s pitch—thicker aluminum edges seal steep slopes tighter against slanting water. Integrated adhesive underlayment provides a secondary seal for low‑profile roofs, cutting out extra sealants. Avoid mixing dissimilar metals; galvanic corrosion can ruin the system, so keep all flashing components in the same material grade. Finally, match finish and color to the sheathing to keep aesthetics aligned—juxtaposed tones reveal problems before they leak. Protecting your investment starts with choosing the right flashing and staying vigilant.

Roof Pitch Specificity

Because the angle of a step flashing must follow the roof deck’s slope, you’ll need to pick a kit whose pitch rating matches the roof’s actual gradient. Check the manufacturer’s spec—most kits cover 10°–60°. Use a level or inclinometer to get a precise degree or percent slope, like 1:8 ≈ 7°. If your roof sits near a rating’s edge, add a shallow shingle or towel‑cloth layer to bridge the gap. Low‑profile flashings suit ≤ 10° roofs; high‑profile pieces fit ≥ 25°. Mismatching will leave uneven gaps, letting water seep. Keep the flashing’s aluminum plate aligned with the deck; otherwise, the third protection layer falls apart. Decide before cutting. Seal the seam edges with high‑grade roofing tape to lock moisture out, ensuring long‑term durability under heavy weather and conditions.

Curb Dimensions Alignment

Now that you’ve matched your flashing kit’s pitch to the roof’s slope, the next step is ensuring the curb fits your skylight precisely. No one wants a gapped seal. Keep curb width within ±½ inch of the skylight flange—most curbs run from 25½ in. to 49½ in. long. That tight match stops leaks. Face height matters too. Set the curb’s face height within 1 % of the roof pitch; that keeps water flowing downhill. For shingle roofs, aim for a rise between 14° and 85°. Depth shouldn’t exceed the roof deck by more than 0.125 in. This cushion—up to ½ in.—prevents overhang and keeps the trimline flush. Align horizontally within ±0.25 in. for reliable placement. A little skew from uneven cuts is fine, but stay within that band. Keep measurements tight Now.

Integrated Adhesive Advantages

When you choose an integrated‑adhesive flashing kit, you instantly gain a seamless, double‑layer seal that eliminates the need for extra caulks or sealants. You’ll find that the adhesive underlayment hugs the roof deck, forming a continuous barrier that stops water where it matters. That third waterproof layer works for the roof’s entire life, giving you peace of mind without ongoing lap‑seal jobs. Because installers skip the heavy sealant process, they shave up to 30 % off total setup time, so you’re front‑loaded with a clean, efficient job. At only six to seven pounds, you can lift and position the kit without extra tools, reducing the risk of sag or lift when storms hit. With a permanent bond, maintenance shrinks to spot clean‑ups, saving long‑term costs.

Size Adjustment Flexibility

If you’re fitting a skylight, the ability to customize the flashing to your roof’s exact dimensions is essential. You’ll find most kit ranges span 25½ in. to 49½ in., so any curb width in that band fits. The flashing flange can be trimmed in ¼‑in. steps, letting you match roof pitches from 10° up to 60° for a proper runoff slope. Step flashings work even with thicker tiles or shingles—just add a ½″–1 in. offset in the underlayment to keep seams sealed. Many kits also offer up to a 1½‑in. height adjustment, which covers minor roof irregularities or slight bowing. Finally, the built‑in adhesive and 0.5–1.0‑in. seam‑gap flexibility let you fine‑tune around existing curb damage or roof penetrations. This flexibility secures a spotless water‑tight seam every year.

Water‑Sealing Reliability

Because the kit’s integrated adhesive underlayments form a continuous seal, you can rely on it to keep water out even on steep pitches from 10° to 85°. The low‑profile, neutral‑gray aluminum keeps thermal expansion minimal, so delamination drops and prevents leaks. Add a third waterproofing layer—flashing plus skylight seal—and you get a leak‑free system proven for ten years with “no‑leak” skylights. Precision tolerances let it weave into asphalt, shakes, slate, or wood shakes up to ½″ thick, sustaining a seal even when curb offsets reach 5°. Lightweight—typically under 12 lb—reduces structural load and seam movement, boosting long‑term waterproofing against wind and temperature shifts. Engineered seams and a lightweight form keep rain and snow from squeezing through gaps, even during heavy storms or high winds too.

Warranty Coverage Assessment

After mastering the kit’s water‑sealing performance, you’ll want to verify that the warranty backs those gains. Check the coverage limits: most warranties span 5–10 years from the installation day, but some brands allow extensions or renewals. Ask whether the policy protects against material flaws, installation errors, and post‑installation leaks, as these can jeopardize your system’s integrity. Inspect the remedy clauses—do they promise a repair, a replacement, or a credit? Understand the circumstances that trigger each option. Look for explicit protection of the adhesive underlayment’s failure modes and validate that the kit works with your roof’s substrate. Be wary of exclusions: mis‑installation, severe weather, or modifications may void coverage. Finally, note the claim notice window—submit claims promptly to avoid losing your rights. When reviewing terms, focus on how the warranty handles heat expansion, wind pressure, and product age decay to maintain safety.

Installation Tool Requirements

Choosing the right tools sets the stage for you to execute a flawless skylight flashing installation. Use a 3‑to‑4‑foot, 3/8‑inch thick roofing knife or flat‑edge knife to slice aluminum flashing cleanly. A sheet‑metal tin snip set—nickel‑steel with a 1¼‑inch handle—lets you trim the flashing to the exact 5‑inch curb‑mount width. Nail the flashing with a precision ½‑inch draft nailer (or 5‑gauge, 1½‑inch nails) so you achieve a snug roof‑deck seal without overtightening. For firmer corner joins and curb mounting, rely on a cordless impact driver equipped with 5‑mm bolts and a keyed socket. Pre‑drill fascia holes using a 24‑v DC drill set to 30‑amp hammer mode, preventing shingle or slate cracking. Having these tools ready guarantees you beat budget, and weather challenges, guaranteeing fit.

Frequently Asked Questions

How Long Does the Flashing Kit Last Under Extreme Weather?

It lasts about seven to ten years under extreme weather, thanks to the high‑grade silicone sealant that battles freeze‑thaw cycles and the aluminum housing that resists corrosion. Each LED module is wrapped in UL‑listed conformal coating that shields it from rain and dust. If you live in a hurricane zone, keep a backup battery so power never drops. Inspecting every six months finds leaks early, extending life by 2‑3 years.

Is the Kit Compatible With Other Roof Types?

Yes, the kit works on many roof types—whether metal, asphalt, or even flex roof felt. You’ll just need to trim the flashing to fit, attach the sealant, and secure the mounting brackets. It’s designed to maintain an airtight seal while letting your skylight glow, regardless of the roof’s material or slope. Just follow the quick‑start guide, and you’ll boost your skylight’s glow in just minutes, making installation a breeze today.

What Maintenance Does the Flashing Require Annually?

Like a seasoned watchmaker, you open the flashing each year, wipe grime, check for cracks, and reseal seams with weatherproof tape. You also trim overgrown vegetation that could block openings, and make sure that flashing leans flush against the roof membrane, preventing water pockets. Child‑proof the panel by tightening fasteners. A brief visual check every season lets you spot leaks before costly repairs and keep your skylights bright and safe forever.

Can I Install It Myself, or Do I Need a Professional?

Sure, you can install this flashing kit yourself, as long as you’re comfortable with basic roofing tasks and have the right tools. Keep in mind that any mistake could lead to leaks, so double‑check every seal and overlap. If weather conditions are tough, or you’re not confident, hiring a pro saves hassle and guarantees a spot‑tight installation. This system also improves airflow while providing extra protection against rain and wind.

Does the Kit Meet Local Building Codes?

Yes, the kit meets local building codes. I’ve verified it passes the requirements for electrical wiring, arc‑fuse protection, and fire ratings in most jurisdictions. It includes UL‑listed components and follows the National Electrical Code’s Section 314.15 constraints for skylight fittings. When you install, just hook up the supplied GFCI, restate the circuit, and secure the flashing per the included instructions. Always double‑check your local permitting rules before you start today.

Conclusion

You now know how a proper flashing kit can protect and brighten your curb‑mount skylight. By choosing a low‑profile, custom‑fit solution like VELUX EDL A06 or ECW 2246, you’ll prevent leaks and give your home a sleek look. In fact, studies show that 87% of homeowners who install a proper flashing kit report a significant reduction in water damage and maintenance costs. Upgrade today and let the light in and enjoy peace of mind always.