How To Put A Ladder On A Sloped Roof

How to secure ladder to roof

Step 1: Clean area

The first step is to ensure that the surrounding is free of any debris or obstacles. Now, set up the ladder, lean it up against the wall, and follow the 4:1 or angle rule when placing the ladder to make sure that you get the right support and security. When you climb the ladder, you should always maintain three points of contact, wherein your feet and hands should always be in contact with the ladder.

Step 2: Extend and climb

Extend the ladder and make sure to not put the ladder on a surface where a side slope is greater than 16 inches or the back of the slope is greater than 6 inches unless stated by the manufacturer.

Step 3: Secure the hooks

Extend the roof ladder onto the sloped roof and secure it with a pair of best roof ladder hooks that are attached to the ladder. This should also come with rolling wheels to allow you to push the ladder up.

Step 4: Help

Use ladder stabilizer tools to increase the grip of the ladder on the roof.

Remember not to rest the ladder on the gutter of the roof, do not use it as support because it does not have the ability to hold you and the ladder.

Tools for Ladder Footing

Ladder Leveler

If you are working on uneven ground, you may struggle to find an area to set up your ladder. A ladder leveler will allow you to adjust the length of its legs on a set of stairs or uneven surfaces. Make sure the rungs are leveled and secure while you climb.

LeveLok Ladder  Permanet Mount Style Leveler (LL-STB-1AL)

Ladder Shoe

Most ladders come with their own set of shoes which are also called footpads or foot assemblies. These are usually made of either metal, plastic or fiberglass caps and are attached to the bottom of the ladder’s legs to provide more grip.

Louisville Ladder Slotted Shoe Kit PK137

Ladder shoes come with different patterns and some come with rubber mats that you can put beneath the ladder to provide extra stability.

Other ladder shoes feature a built-in joint to allow the shoes to remain in full contact with the ground which is very important for stability.

Tips and Guidelines

  1. Check on your roof.
    Before climbing your roof, you should determine if it is capable of carrying your weight and the ladder’s weight. Do an ocular inspection from afar and consider the roof’s material. You could use your binoculars, a drone, or go to the attic or any room close to the roof to look for any signs of damage.
  2. Choose the right type of ladder.
    You won’t be able to reach your roof if you are using the wrong ladder, so what type of ladder should you use? In this situation, you will need an extension ladder.
    The best extension ladder is designed for climbing high-altitude areas. They can also be adjusted if you need more length to reach a spot.
    To get the right length, measure how tall the side of your house is and find an extension ladder that can cover that height
  3. Check the ladder’s duty rating
    When choosing the right ladder, it is also wise to check the duty rating sticker to know how much weight it can carry. In this situation, you will need at least a Type II ladder with spring-loaded rung locks and real feet.
    You can also find Type I heavy-duty ladders and Type IA extra heavy-duty ladders because they can support 250 to 300 pounds of weight respectively.
  4. It is also best to check for an ANSI and/or OSHA sticker to make sure that it is safe for use.
  5. Ask for help If the roof of your house is made of slate tiles, they can be pretty slippery. As a result, it will be very difficult for you to get a stable footing with a ladder. If you need to put your ladder on a sloped roof that is constructed with slate tiles, you should be very careful with your footing.To keep things much safer, you should ask for help from a family member or a friend, so they can hold the ladder while you are on top of it.
  6. Clean Before setting up the ladder, you should make sure that the surrounding is free of debris. Clean the area and remove any obstacle and ensure that it is dry enough.
  7. Inspect your ladder Check your ladder and make sure it is in a good condition, check for any broken parts. If you find any damages, do not use it for working on your roof because that will lead to a big accident. If you are using an extension ladder, check the locks if they are engaging correctly. If you have an older ladder, double-check, since sometimes the locks are not working properly. Secure the lock engagement before getting on it.
  8. Check your surrounding
    Overhead power lines can cause huge accidents if you did not properly prepare for the task. So, you have to make sure that you check the surroundings gradually and get rid of any electric wire to prevent any accidents.
  9. Protect your roof
    If you have an asphalt roof, make sure that the ladder has pads to protect your roof. Avoid putting the metal sides of the ladder directly onto the surface of the roof.
  10. Remember the 4:1 rule
    The angle rule or 4:1 rule means that the base of the ladder should be 1 feet out from the wall for every 4 feet in height to create a 75-degree angle.
    For instance, the base of a 20-foot ladder should be placed 5 feet away from the base of the wall you will be accessing.
  11. Consider Ladder Levelling Tools
    Since ladder rungs should always be horizontal, you need to use ladder levelling tools to be able to properly put a ladder on a sloped roof.

Tools for Ladder Stability

Pivit Ladder Tool

A Pivit ladder tool to use along with an extension ladder. It has many different applications to help you get your tasks done, especially on a sloped roof.

This accessory can help elevate one ladder leg up to the same level as the other. It will help create a flat surface so that the ladder won’t be on a slanted position.

Ladder Standoff Stabilizer

A ladder standoff stabilizer is also called a roof standoff, wall standoff, a mount guard, and a ladder stabilizer. This is a U-shaped tool that is attached to the top of the ladder for support and will allow you to rest your ladder against the roof’s surface or the wall.

Curved stabilizers will allow you to put the ladder against the corner of the house. Remember to avoid ladder mount guards that help the ladder lean against gutters because these are unsafe.

Ladder Pads

These are caps that you can put on top of the ladder to protect the surface where it will lean against. Some ladder pads are made of rubber for additional grip, while others are made of soft fabric to prevent the ladder from damaging the ladder or scratching other materials.

Roof Ladder Hook

If you need to run your ladder to the ridge of the roof instead of the edge, then you may need the best roof hook to be able to secure your ladder over the ridge.

Roof hooks often come with wheels located on the front of the ladder to help you roll the ladder up the ridge without damaging the shingles and flip the ladder over to be secured.

Roof hooks should still be constructed with padding to avoid damaging the roof. We also recommend that you choose a roof hook from the same manufacturer as your ladder for compatibility and safety.

Ladder Leash

If you do not have a roof stabilizer, then you should use a ladder leash and wrap it around one of the ladder’s legs and then nail this leash to the surface of where the ladder is leaning against.

Do not use this tool on top of shingles because the nail holes can damage the shingles when removed. But, you can use them before and during a roof tear-off.

More projects and guides with ladders

How To Put A Ladder On A Sloped Roof Frequently Asked Questions

Should I use a harness when climbing the roof?

Using a harness is unnecessary because the ladder is tall enough to reach your roof. However, if you need to set up scaffolding to reach the roof, you may need to invest in a good harness to provide extra protection and to reduce the chances of injuries.

What safety gear should I wear?

Every time you climb a ladder, especially when reaching high-altitude areas, you need to put on your fall protection safety gear to protect yourself from any accidents. Wear a helmet, some boots, and gloves so you can cling to and stabilize the ladder better.


When setting up a ladder on a sloped roof, you need to follow the guidelines and proper steps as well as useful accessories to ensure that you are safe and that you are not damaging the roof or the ladder itself.

 You also have to make sure that your hands and feet are always in contact with the ladder when climbing. Maintain a steady pace as you climb and do not be afraid to climb down especially if you feel unsteady.


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