The main function of the roof is to protect the house and protect indoor items from a variety of outdoor weather conditions.

The total cost of a roof and the cost of the contactor together become a high amount of money. Many homeowners want to get a good quality roof at a lower cost.  And for low cost and good quality roofs, the rolled roof is the best choice. 

Today’s content is about rolled roofs.  Now to get the sealed rolled roof properly, you need to know the answer to the question “how to seal the rolled roof”.

And if you want to know the answer to the question, read the whole content from beginning to end. 

You can learn the rolled roof sealing process, and at the same time, you’ll find the answers to the rest of your questions.

Keep reading.

How to seal rolled roofing: A complete Guideline 

The demand for rolled roofs has increased a lot. The demand is increasing day by day.  The main reason for this is that it is easily available at a lower price and the service is much better.

Rolled roofs are usually installed on top of primer-painted sheeting.  You can use different methods to seal the rolled roof. And rolled roofs are more commonly used for reproofing.

Sealing can be completed at a low cost. Because if you change the whole roof and install a new roof, the cost will be much higher.  

It is very easy to seal a rolled roof. You can do this alone without having to spend extra money on a roofer.  It will be easier if you can do it alone or with the help of one person.

What tools are needed to seal a rolled roof?

Different tools are needed to seal a rolling roof. Gather the tools at the beginning of the work.

  • Razor knife
  • Trowel
  • Brush
  • Hose
  • Measuring tape
  • Ladder
  • Hammer
  • Chalk

What materials are needed to seal the rolled roof?

You have to procure some materials. These materials are needed to finish the two tasks- installing and sealing properly.

  • Flashing
  • Primer
  • Roll roofing
  • Nails for flashing and sheathing
  • Roofing cement

Step by step guideline 

Step 01:

Before installing rolled roofing, install the primer. Also, nail all the corners or edges of the roof well. And make the roof smooth everywhere. After that, install flashing.

Step 02:

Measure your roof well. Measure exactly how long and how wide. If your roof is not flat, or it is divided into different sections of different sizes instead of uniform, then measure each section separately then add the total.

You have to buy a rolled roof of more area than you can get by adding area.

These rolled roofings are easily available in the market. The easy way to recognize it is a lot like carpet.

Step 03:

Before installing a rolled roof, make sure that there is no dirt or any kind of debris. After buying from the market, there may remain different types of derbies with rolled the roof, clean them well with a broom. 

Since there will be no way to clean after installing, you have to clean before. They can also be cleaned when climbing up a ladder.

Step 04:

Gather all the necessary materials in one place so that you don’t find any problems with them later. 

It is better not to do rolled roofing seal work in the winter season. That’s because roofing material can be damaged during the winter season. Now, mark the chalk line. 

Measure 35 inches from the bottom of the roof, give a chalk line, and mark all the places of the whole roof in this way.

Step 05:

Now cut the rolled roof equal to the chalk line and the length of the roof with a cutting tool. Then apply roofing cement to the rolled roof. 

Apply roofing cement on the original roof too. Now install the first layer of the rolled roof. Cut and install the first layer according to the size with a razor knife. 

After installing, nail it with a hammer to secure it. Well, now the first layer of rolled roofing has been installed. The distance between the nails will be 10 inches.

Step 06:

After installing the first layer, you have to install the second layer. To do this, first, measure the chalk line measuring tape as before. 

The chalk line of the first layer was 35 inches. Measure the width of the chalk line of the second layer 32 inches above the first layer.

Step 07:

Again, cut according to the correct size with the cutting tool. Apply roofing cement to secure the second layer. 

Then roll and install the second layer. After installing the second layer, nail it with a hammer. 

Secure the nails 10 inches apart. After securing the nails, secure all the nails with roofing cement. Make sure that all parts of the roofing system are secured with nails and roofing cement.

Step 08:

Finish installing two layers and secure all the places. 

Now the extra part of the rolled roofing can remain around. Cut all the extra parts evenly with the cutting tool.

Step 09:

Before you finish the last seal, make sure that it is sealed everywhere.

Clean the entire rolled roof with a brush if it is well sealed everywhere. Clean all the dirt and derbies that are there. When all the after-cleaning process is done, your work is done!

Frequently asking questions

How long does it take to seal rolled roofing?

Answer: It will not take more than 1-2 days to seal the rolled roofing.

Can rolled roofing seals be done alone?

Yes, you can do this alone if you follow the above step-by-step guideline.


Rolled roofing is not very difficult to seal. If you work according to the simple procedure, you can easily seal it. 

Since you have to work on the roof, you have to maintain some safety caution from the beginning. Safety precautions should be maintained while working above the roof. 

Be careful when climbing a ladder. Shoes on the feet, gloves on the hands, and goggles on the eyes must be taken. Work carefully while using the hammer.

And if the temperature is less than 45-50 degrees Fahrenheit, the rolled roofing seal will not work. 

Hope you’ve found the right solution to your “how to seal rolled roofing ” question.

Best of luck.


As a civil engineer and roofer, I love to share the experience that I have gained through the last couple of years. In the roofing industry, practical experience is a very crucial fact that can help you a lot. Hence, I want to help you with my blog.

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