
Working on steep roofs is one of the most dangerous jobs in construction, and I have seen firsthand how the right roof jack can mean the difference between finishing a job confidently and worrying about every step. The best premium roof jacks for steep-slope work give you a level platform to stand on, even when the pitch hits 8/12 or steeper. After researching and comparing the top options on the market, our team put together this guide to help contractors and serious DIYers pick the right equipment for their next steep-pitch project.
Roof jacks, also called roofing brackets, are heavy-duty metal brackets that nail into the roof deck and hold a wooden plank flat, creating a stable walking surface. On pitches above 6/12, where simply walking becomes hazardous, a solid jack-and-plank setup is the proven method that professional roofers have relied on for decades. In this guide, we compare five premium options built for demanding steep-slope conditions, covering everything from galvanized steel brackets to lightweight aluminum ladder jacks.
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Guardian 2525 Slater's Style Roof Bracket
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Werner AC10-20-02 Long Body Ladder Jacks
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Guardian 2420 Two-Rung Ladder Jack
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Metaltech 2-Rung Ladder Jack E-LJ20
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Homydom Ladder Jacks 2-Pack
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Galvanized Steel
6-Position Locking
27 x 8 x 7 in
6 lbs
Capacity: 1 Worker + 40 lbs
I have used Slater’s style roof brackets on multiple steep-pitch residential jobs, and the Guardian 2525 is the kind of bracket that gives you immediate confidence the moment you nail it down. The galvanized steel construction feels substantial in your hands, not flimsy like some lightweight options. At 6 pounds per bracket, it has enough heft to stay put without being a burden to carry up a ladder.
The 6-position locking system is what really sets this bracket apart for steep-slope work. When you are dealing with a 10/12 or 12/12 pitch, being able to lock the tongue into the exact angle you need means your plank sits level and secure. The 3-position replaceable tongue adds extra versatility, letting you adjust the platform angle without swapping out the entire bracket.

One thing I appreciate about the Slater’s style design is how the bracket sits flat against the roof deck. After you finish a section and need to move the brackets up, they pull away cleanly without tearing up shingles. That matters on a premium re-roof job where the homeowner is watching every move you make. The capacity rating covers one worker plus 40 pounds of materials per 8-foot staging, which is standard for this class of bracket.

The 6-position adjustment handles pitches from moderate slopes up through steep 12/12 configurations, making it one of the most versatile single brackets available. For anything steeper than 8/12, I recommend spacing brackets every 4 to 6 feet rather than the typical 8-foot spacing. This tighter spacing reduces plank flex and gives you a more solid feel underfoot when the roof pitch gets extreme.
The replaceable tongue is a smart feature for crews that use these brackets day in and day out. If the tongue wears out or gets damaged on the job, you swap just that piece instead of replacing the whole unit. Over a full season, that small detail saves real money on a tool budget.
Compared to ladder jacks that require fitting onto extension ladder rungs, the Guardian 2525 nails directly into the roof deck, which speeds up installation considerably. A two-person crew can install a full row of brackets and planks across a steep roof in under 15 minutes once they get the rhythm down. The trade-off is that you are driving nails into the roof sheathing, so this style is best suited for new construction or tear-off jobs where the decking is exposed or being replaced.
If you are doing repair work on existing shingles and need to avoid puncturing the finished roof, a ladder jack setup might be the better choice for that specific situation.
Aluminum
2-Rung Model
26.46 x 4.81 in
18 lbs Pair
20-Inch Stage Width
The Werner AC10-20-02 ladder jacks are what I reach for when I need to set up a wider working platform without putting any fasteners into the roof surface. These are ladder jacks, meaning they mount onto your extension ladder rungs rather than nailing into the roof deck. That distinction matters a lot if you are doing repair work, painting, or window installations where you cannot or do not want to penetrate the roofing material.
With 176 reviews and a 4.6-star rating, the Werner name carries serious weight in this category. The long body design accepts stages up to 20 inches wide, which gives you a noticeably wider stance than standard 14-inch or 18-inch platforms. On steep roofs, that extra width translates to more confidence underfoot, especially when you are carrying bundles of shingles or tools.

The aluminum construction keeps the total weight at 18 pounds for the pair, which is manageable when you are hauling them up a ladder along with your planks. They are designed for quick field adjustments, and I found that once you get the hang of the 2-rung mounting system, setup and teardown go fast. These jacks mount on either side of the ladder, so you have flexibility in how you position your platform relative to the work area.
The 2-rung design fits most standard extension ladders with round or D-rung profiles, which covers the majority of ladders you will find on residential job sites. Before ordering, check your ladder rung spacing to make sure the jack seats properly across two rungs without excessive play. Some users with older wooden ladders report needing to shim the connection for a snug fit.
Werner built these for their own ladder line, so the tightest fit comes with Werner extension ladders. Third-party ladders generally work well, but take a moment to verify the rung diameter is not too thick for the jack’s clamping mechanism.
The main durability concern centers on the shoulder bolts that handle the clamping tension. Overtightening these bolts is the most common way users damage the jacks. Hand-tight is sufficient for most applications. If you feel the need to use a wrench to crank them down, something else is wrong with your setup. Used correctly, a pair of these jacks will last through years of regular work.
The aluminum body holds up well to weather exposure and does not rust, which is an advantage over galvanized steel brackets if you frequently work in wet or coastal conditions.
Aluminum
2-Rung Short Body
34 x 10 x 6 in
4.5 lbs
Fits Round or D Rungs
With 348 reviews, the Guardian 2420 is the most tried-and-tested ladder jack in this lineup, and for good reason. It is the industry standard two-rung short body design that roofing crews, painters, and siding installers have relied on for over two decades. I have seen these on job sites from residential re-roofs to commercial buildings, and they consistently deliver solid performance.
At just 4.5 pounds per jack, these are the lightest option in our roundup. That matters when you are climbing a 32-foot extension ladder with two jacks, a plank, and your tool belt. The aluminum construction is heavy-duty despite the low weight, and the adjustable design fits both round and D-rung ladder styles. You can mount them on the inside or outside face of the ladder depending on your platform positioning needs.

The OSHA-compliant design requires an 18-inch wide platform for proper use, which is the standard width most roofing planks are cut to. With proper setup, these jacks can hold two workers plus materials, which is a significant step up in capacity from single-worker brackets. That makes them a practical choice for crews where two people need to work from the same plank during shingle installation or tear-off work.

The most common feedback from experienced users is that the wing-nut tightening mechanism can work loose over the course of a long day. This is not a safety failure, since the jack still sits on the ladder rungs, but it can allow some lateral movement that feels unsettling on steep slopes. The fix is simple: check tightness every couple of hours, or do what many seasoned roofers do and add a set screw through the bracket once you find your preferred position.
On very steep pitches above 10/12, I recommend checking the wing-nuts more frequently since gravity and vibration have a stronger effect on the hardware at those angles.
One reason the Guardian 2420 has accumulated so many reviews is that it gets used far beyond just roofing. Painters use them for exterior wall work, window installers use them for second-story replacements, and general contractors use them for fascia and soffit repairs. If you do multiple types of exterior work and want a single ladder jack that handles all of it, this is the one. The ability to mount on either side of the ladder and adjust to different rung styles makes it the most versatile pick in our roundup.
Aluminum
2-Rung Design
20.4 x 13 x 4 in
4.9 lbs
250 lbs Capacity
ANSI CSA OSHA
The Metaltech E-LJ20 stands out for one specific reason: it carries ANSI, CSA, and OSHA certifications, which is the triple crown of safety compliance for scaffolding equipment. If you are working on commercial job sites where inspectors check certifications, having that documentation built into the product gives you one less thing to worry about during safety audits.
At 4.9 pounds, it is nearly as light as the Guardian 2420, and the 250-pound load capacity is clearly specified, which gives you a concrete number to work with when planning your platform setup. The 8-notch angle adjustment system is more granular than most competitors, letting you dial in the platform angle in smaller increments. On a steep 9/12 pitch, those extra adjustment positions can make a real difference in getting your plank perfectly level.

The welded and riveted aluminum assembly feels tight and well-constructed right out of the box. Metaltech has been making scaffolding equipment for years, and the build quality shows in the clean welds and solid rivets. The jack holds work planks up to 18 inches wide, which covers standard scaffolding planks and most purpose-cut staging boards.
On residential jobs, most contractors do not think twice about certification labels. But on commercial projects, especially government or institutional work, safety inspectors frequently verify that all scaffolding components carry current ANSI and OSHA certifications. The Metaltech E-LJ20 comes with all three major certifications printed directly on the product. That eliminates the need for separate paperwork and speeds up job site inspections.
If your business does a mix of residential and commercial work, having certified equipment in your inventory keeps you ready for any job without needing separate gear for different project types.
This product is sold as a single unit, so you need to buy two for a complete platform setup. Some users report that the jack feels less stable when paired with lightweight aluminum ladders compared to heavier fiberglass models. If you plan to use these with a lighter ladder, consider adding a clamp or secondary fastener to eliminate any movement between the jack and the ladder rungs.
The 250-pound capacity per jack means a two-jack setup handles up to 500 pounds of combined load when properly distributed across the plank. That is plenty for one worker with tools and materials on a steep roof.
Alloy Steel
2-Pack Bundle
24.5 x 10 x 16.5 in
17.6 lbs Total
250 lbs Capacity Each
The Homydom 2-Pack solves the most common frustration with ladder jacks: having to buy two separate units. This bundle includes both jacks in a single purchase, which simplifies ordering and often saves money compared to buying two individual units. The 4.7-star rating across 14 reviews shows strong early satisfaction from users.
Unlike the aluminum options in our roundup, the Homydom jacks are built from high-density alloy steel with MIG welding at the joints. That steel construction makes them the heaviest option at about 17.6 pounds total for the pair, but it also makes them the most rigid. On steep pitches where flex in your platform brackets can feel unnerving, that extra stiffness translates to a more planted, confidence-inspiring stance underfoot.
The adjustable diagonal telescopic pipe lets you fine-tune the platform angle, which is a patent-pending design feature unique to this product. The mechanism works smoothly and holds its position well once tightened. Both jacks together create a platform up to 20 inches wide, matching the widest capacity in our roundup.
The steel construction is roughly double the weight of comparable aluminum jacks, and that is the central trade-off to consider. If you frequently move your platform setup multiple times per day, the extra weight adds up over an 8-hour shift. However, if you tend to set up once and work from the same position for extended periods, the added rigidity and zero flex under load make the weight penalty worthwhile.
For roofers who work on especially steep pitches of 10/12 and above, the reduced flex of steel brackets is a meaningful safety advantage. The platform feels locked in place, which reduces fatigue from subconscious balance adjustments throughout the day.
The Homydom jacks come with install hardware included, and most users report getting both jacks mounted and a plank set up in under 20 minutes on their first attempt. The telescopic adjustment pipe uses a straightforward twist-lock mechanism that is intuitive without needing to reference instructions. One tip from experienced users: check that your staging plank is flat and true before mounting. If the board has warped, you may need to shim the connection point to get a level platform, which is true of any ladder jack but more noticeable with the rigid steel brackets.
The 1-year manufacturer warranty provides basic coverage, which is standard for this category. As a newer product, the review count is still building, but the early feedback is consistently positive across both 5-star and 4-star ratings.
Picking the right roof jack comes down to matching the tool to your specific roofing situation. Here are the key factors our team considers when recommending roof jacks for steep-pitch work.
Steel brackets like the Guardian 2525 and Homydom 2-pack offer maximum rigidity and durability, but they weigh more. Aluminum options like the Werner, Guardian 2420, and Metaltech are lighter and easier to handle at height. For most residential steep-slope work, aluminum provides plenty of strength at a weight that reduces fatigue. Steel is worth the extra weight for commercial jobs or pitches exceeding 12/12.
Roof deck brackets nail directly into the sheathing and are ideal for new construction and full tear-offs. Ladder jacks mount on extension ladder rungs and work better for repair work, painting, and situations where you cannot penetrate the roof surface. If you do both types of work, consider keeping one of each style in your equipment inventory.
Not every roof jack handles the same range of pitches. For steep slopes above 8/12, look for brackets with multiple adjustment positions like the Guardian 2525 with its 6-position locking system. The Metaltech E-LJ20 with 8 adjustment notches also excels on variable pitches. Always verify the maximum pitch rating before taking a bracket onto a steep roof.
Consider the total load your platform needs to support: your body weight, tools, and materials combined. Most premium ladder jacks rate for 250 pounds per jack, meaning a two-jack setup handles 500 pounds distributed across the plank. Roof brackets like the Guardian 2525 rate for one worker plus 40 pounds of materials per 8-foot staging section. Match the capacity to your actual working conditions.
For professional contractors, safety certifications are non-negotiable on many job sites. The Metaltech E-LJ20 leads here with ANSI, CSA, and OSHA certifications. Even for solo contractors who are not subject to inspections, certified equipment provides assurance that the product has been tested to recognized safety standards.
Roof deck brackets install faster since you just nail them down and move on. Ladder jacks require fitting and tightening onto rungs, which takes slightly longer but avoids roof penetration. The Werner AC10-20-02 and Guardian 2420 both earn high marks for quick adjustment mechanisms that minimize setup time.
Professional roofers typically use roof jacks paired with wooden planks to create level walking platforms on steep slopes. These brackets nail into or mount onto the roof structure and hold a staging plank flat, giving workers stable footing even on pitches of 8/12 and steeper. Additional safety equipment includes harness systems anchored to the roof ridge and fall protection gear.
The 25% rule in roofing refers to a building code provision that states if more than 25% of a roof area needs repair or replacement within a 12-month period, the entire roof must be brought up to current code standards. This rule varies by jurisdiction and applies to structural components, not just the roofing material surface layer.
Yes, roof jacks can be used on hip roofs, but they require more careful planning. Hip roofs have angled ridges that limit continuous plank runs along the slope. You need to position brackets in shorter sections that follow the hip lines, and you may need additional brackets at transition points where the roof planes meet. Some roofers use a combination of jacks on the main slopes and alternative foothold solutions near the hips.
For standard 2×10 or 2×12 wooden planks, space roof jacks every 4 to 6 feet on steep pitches above 8/12 and every 6 to 8 feet on moderate slopes. Tighter spacing reduces plank flex and provides a more stable feel. Always use at minimum two jacks per plank section, and never exceed the manufacturer’s recommended span distance.
A steep slope in roofing generally refers to any pitch of 6/12 or greater, meaning the roof rises 6 inches vertically for every 12 inches of horizontal run. Pitches above 8/12 are considered very steep and require specialized equipment like roof jacks, harnesses, and toe boards. At 12/12, the roof has a 45-degree angle, and working without platform support becomes extremely hazardous.
After comparing all five options, the Guardian 2525 Slater’s Style bracket earns our Editor’s Choice for professional roofers who need a rugged, adjustable bracket that nails directly into the roof deck. For those who prefer a ladder-mounted system, the Werner AC10-20-02 delivers excellent value with a wide 20-inch stage capacity and the backing of 176 user reviews. The Metaltech E-LJ20 rounds out the top three as the best certified pick for commercial contractors who need ANSI, CSA, and OSHA documentation on site.
Finding the best premium roof jacks for steep-slope work means matching the bracket style to your job type, checking pitch compatibility, and choosing certified equipment that holds up to daily use. Whichever option you choose, pair it with proper fall protection and inspect your brackets before every job. Stay safe up there, and invest in equipment that lets you focus on the work instead of worrying about your footing.