Best Roofing Materials That You Can Use for Flat Roof Replacement

A flat roof is a kind of old fashion decoration nowadays. But this is prominent on every home to decrease your roof maintenance expenses by selecting the best roofing materials. But, no one can predict how a natural disaster could fall on your house. So, if face some issue like this, then you need to repair or replace your roof at once.

If you live in a dry climate-based region then you need to worry about water stagnating or roof damage. But if you stay in a heavy rain area then you should inspect your home especially roof. The flat roof leaks more often because the water doesn’t role out of the pitch roofs. So, water stagging can notice on your roof. And after sometimes you notice holes on your pitched roof.

best roofing materials

Flat roof replacement is a heavy investment for any home owner. Therefore, it is vital to determine the best flat roof materials for your project when you find that it is the time to replace your flat roof. However, you have to choose the material that is strong and last for long. Make sure that you do not distract by the cheap roofing materials because they could put you into trouble. They can’t protect you from heavy rain from long enough.

Some roofing materials like EPDM, TPO, PVC, or modified bitumen are the best roofing materials that you can use. Here in this article, we are going to discuss some of the best flat roof replacement materials with their pros and cons.

What is the right time for replacing your flat roof?

If you see tears, wraps and rips on your flat roof after a heavy rainfall or storm, then it is the right time for replacing your roof. However, if these small tears and cracks get worse before noticing them, then it will be going to cause water pooling and leakage.

Further, water pooling will result in deterioration of roofing materials, including seam adhesives steel equipment supports and roofing asphalt. You have to know what type of material to use and how it will fit in your budget to get the best result when replacing your flat roof.

what is the best roofing materials?

1. PVC

PVC or Polyvinyl chloride is one of the best flat roof replacement materials. However, it is a mixture of natural gas, petroleum, and salt. PVC comes in a roll with an acrylic finish, weathering film, bottom ply, and flexible fiberglass mat.

  • PVC material is durable that has a minimum breaking strength of 350 pounds per inch. However, it will last for about 20 to 30 years and does not need any maintenance.
  • It comes with a protective exterior weathering film that ensures no damage can occur to the understructure.
  • It has a watertight quality.
  • PVC has a white color that reflects most of the intense sunlight throughout the day. So your house will cool itself, and you will save a lot of energy.
  • PVC contains some toxic chemicals like dioxin that relate to several health effects, such as hormone changes, immune system damage, and cancer.
  • It requires more care and labor if you want to restore an old roof with PVC.

2. Built-up roof

Built-up roof material is a combination of asphalt and roof tar and then topped off with gravel or rocks. However, it contains large stones that hold the waterproof membrane in place underneath.

  • Built-up roof material makes it safer for maintenance staff to walk around.
  • It has several layers of rocks that make it less likely to catch fire.
  • You will get about 25 years of longevity by using built-There are no seams to worry about being sealed with a torch.
  • It has a thick layer of stone and gravel that makes it a strong shield for your roof membrane
  • This roofing material is heavy.
  • Built-up roof material takes a lot of labor hours to complete the installation process.
  • Finding the location of the leakage can be challenging.


EPDM or ethylene propylene diene monomer is a synthetic rubber roofing membrane. However, it is a mixture of natural gas and oil. EPDM roofing material installed with liquid adhesive or screws.

  • EPDM last for about 50 years.
  • It comes in a large single layer roll that is easy to install.
  • This rubber material can expand in summer and contract in winter itself. So it can withstand the temperature extremes easily without wear.
  • EPDM is fire retardant and naturally impact resistant.
  • It is most affordable than other roofing materials.
  • It is easy to find the leak and repair it.
  • EPDM roofs can leak in a short time if not installed accurately.
  • It is black. So it will absorb heat from the sun and result in higher building cooling costs.

Metal Flat Roofing

This is the most popular roofing material which protects you a long time after installation. Most of the homeowners use this material for flat roof replacement. The durability of the material is quite longer than other flat roofing materials. It is made in Aluminium so, it could last more than 30 years in ideal condition.

  • It is made of Aluminium, so it can last long for years.
  • It reflects heat from the sun, so it could save your energy.
  • If you have a big house, then you will be a gainer. Most of the sheets are made in large size.
  • When you replace your flat roof, the metal roof was torn out completely.
  • The homeowner cannot install any new metal roof if they have already existing one.
  • The sheet is made of Aluminium, so you can see rust on it after a few years.

Final thoughts

The roof serves an important role in the structure of your home. Not only does a solid roof protect you from rain and snow, but it also has an impact on your energy bill! Roofs act as insulators, preventing heating and cooling systems from having to do unneeded work.

So here are some of the best flat roof replacement materials that will last for a long. However, make sure to use the material that is strong enough to face heavy rainfall and storm. Some best roofing materials like EPDM, TPO, PVC but all the materials have some positive and negative points as well. it is a one-time investment so carefully select the suitable material.

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