Modified bitumen is approved for flat roofs with minimal slope but roll roofing is not viable below a 2 12 pitch two inches of rise for each twelve inches of horizontal run with exposed nails or a maybe little lower with concealed nail installation.
Rubber roof vs rolled roof.
What is roll roofing.
The insurance company agreed to the rubber roof when the roof was completed i was concerned because the flat roof was lapped at the edge not half lapped and the section that is next to the house was in two sections as if they ran short and used the end of the first roll and the start of a new roll.
A rubber roof known in the roofing business as an epdm ethylene propylene diene terpolymer roof has a lot of advantages and only a few disadvantages one of the big advantages to rubber is the cost although a homeowner must use a licensed installer to lay down this roof the cost of the entire job still favorably compares to the cost for other types of roofing.
This particular roofing material was developed with the goal of reducing the number of used tires that end up in landfills.
Built up roof bur modified bitumen roof mbr and rubber membrane roof epdm.
The vast majority of rolled roofing contains some variation of rubber in one of many different combinations.
Rolled roofing isn t for everyone and every roof so if you have questions concerning where and when to use rolled roofing or if you just have questions in general fill out the online contact form and a trained representative will help answer any questions you have concerning rolled roofing.
Rolled roofing is one of the least expensive options for a flat roof.
As you ve noticed there s rubber in one form or another in most and today s homeowner often seeks a more exotic roofing material which brings them to the debate over roof shingles vs rolled roofing.
Roll roofing and modified bitumen are both suitable for low slope roofs.
Your choices for rolled roofing include materials like.
Most types of roofing available for flat roofs come in rolls.
Rubber roofs are one of the more inexpensive and durable options for flat roofs.
Because the rolls have few if any seams they rarely leak or need much in the way of maintenance.
Pros and cons for flat roof materials all three types of flat roofing cost 250 to 350 per square 100 square feet but prices vary according to region and size of the roof.
Rubber roofs unlike metal roofs are a fairly new technology.
When properly installed and cared for they can last up to 20 years.
The rolls are typically up to 100 feet long and may be any width from 6 20 feet wide.