Can you go over rolled roofing?

Rolled roofing is very adaptable and can be cut into 12-inch by 36-inch strips to act as hips and ridges or 9-inch strips for eaves and rakes. If removing your current shingles is a problem, it is usually permissible to re-roof over your existing roof with rolled roofing.

How do you cover rolled roofing?





The first layer should cover the length of your roof, as far up as the chalk line. Push the rolled roofing firmly into the wet cement to secure it. Once the layer is secured by the cement, it’s time to hammer nails into the layer to secure it further. Use 1 inch galvanized roofing nails and a strong hammer.

Can I put tiles on a flat roof?

Full Answer. Yes it is possible to install slabs or tiles on top of an EPDM flat roof.

What is the life expectancy of roll roofing?

5 to 10 years

It is easy to install, making it a popular option for DIYers and for small areas like sheds and garages. However, asphalt roll isn’t the best choice for most homes due to its very short lifespan. The average lifespan of asphalt roll roofing is only 5 to 10 years.

Can you install roll roofing over existing roll roofing?





You can install roll roofing directly over a single layer of existing roof covering, but if there are already two coverings, you must remove both.

Can I install roll roofing over roll roofing?

Q: Can I install roll roofing over shingles? Yes. The reason is simple: both roll roofing and shingles are a composition of the same asphalt material.

Are rolled roofs bad?

Rolled roofing systems have a life expectancy of 15 years. Signs of deterioration will become noticeable 5 years after the installation. This is expected from a single-ply roofing system that has a lower life expectancy than asphalt shingles.

How long do flat rolled roofs last?

5-15 years



Rolled roofing materials are popular for homeowners looking to replace their own flat roof. It’s known for its ease of installation, but it’s lifespan is short with an expectancy of only 5-15 years and no manufacturer warranty.

What is the strongest type of roof?

What Type of Roof Is the Strongest? A metal hip roof offers the most durability of any common roofing design. Because hip roofs have an inward slope, they’re ideal for regions that are prone to strong wind and frequent snow.

How do you remove old rolled roofing?

How to Remove Rolled Roofing

  1. Contact your local waste management company to have a dumpster delivered to your house. …
  2. Remove the ridge shingles or roofing cap. …
  3. Pry up the edges of the rolled roofing from the roof with a pry bar, beginning at the upper layer. …
  4. Roll the roofing as you pull up the nails.

Can you nail down roll roofing?



Do you nail down roll roofing? Nails are typically used to secure this type of roof. You can nail the separate layers by hammering the nails in 10-inch intervals across the roof. After that, you’ll want to use cement to cover them and seal them in place.

How many layers of rolled roofing are allowed?

As mentioned above, homeowners are legally limited to two layer of roof shingles. Therefore, if you already have two layers, you’ll need a full tear-off. Additionally, if your roof is severely damaged, it likely won’t be able to support the weight of a reroof and will need to be torn off.

Is roll roofing waterproof?

Waterproofing: Rolled roofs can easily provide protection from water for up to 10 years.

Does roll roofing need underlayment?

Roll roofing is a common product chosen to cover low slope roofs. It is a rather inexpensive roofing material often installed over #15 felt underlayment by DIY homeowners. While it can, and has been, used for residential roofs, it is primarily used on utility structures.

What is the minimum pitch for roll roofing?



Asphalt Shingles require a minimum roof pitch of 2:12 or greater. Clay and Concrete Tile requires a minimum roof pitch of 2-1/2:12 or greater. Metal Roof Shingles require a minimum roof pitch of 3:12 or greater. Mineral-Surfaced Roll Roofing requires a minimum roof pitch of 1:12 or greater.

How can you tell the difference between modified bitumen and rolled roofing?

Probably the easiest way to tell just by looking is the seams, the asphalt rolled roofing will have plastic roof cement in the seams, the mod bit will have melted tar squeezing out of the seams.