Roofing Room Additions With A Low Pitch Roof
The best way to insure no leaks is to apply a roof covering barrier that will not allow water that has accumulated on top to seep inside. Modified Bitumen is a great roof covering for low pitched roofs. Bitumen is modified by adding one or more polymers, and the sheets are typically reinforced with various types of mats or films. The sheets can be either smooth or have mineral granules on the surface, similar to the normal composition shingles you see. Modified Bitumen looks similar to 90lb roll roofing but it is very different. It is thicker and much, much stronger.
They will start with the bare roof sheathing (plywood decking) and first apply a layer of asphalt saturated felt usually 15lb, and then mop over this with hot tar. Then they will add a second layer of felt 30lb and mop again. Then they will apply the modified on top.
Modified comes in a 39'' wide role and it will be overlapped 4'' and sealed with a tar adhesive. At the junction point of the flat roof and the pitched roof it is attaching to, the roofers should remove the lower 3 rows of comp shingles and run the modified bitumen up to the lower edge of the fourth row. Then the 3 rows should be placed back into position over the bitumen.
It is never a good idea to have regular roofing shingles such as 3 tab or architectural shingles applied on a flat or low pitch less than 4/12. This is because water cannot run off as readily and the roof will stay wet longer or water will pool. This will allow water to seep under the shingle and begin to destroy the underlayment (felt ), and then the roof sheathing itself. Also high winds can cause the shingle tabs to blow up allowing water under the shingle with the same results of damage.
The proper roof covering will protect your investment and your wonderful new addition.
Related Tags: roof maintenance, shingles, modified bitumen, room additions, cindy jones
Cindy Jones is a claims adjuster, author and trainer. Find out more about her at http://www.adjustercindy.com
Your Article Search Directory : Find in ArticlesRecent articles in this category:
- Lawn Mowers Electric Vs Petrol - Which Is Better?
When searching for the perfect lawn mower, many homeowners find themselves wondering which kind is b - Popular Types Of Mattresses
It is needless to describe the utility of mattresses for having a sound night's sleep; bed mattresse - Furniture Sofa Legs - Making The Old Sofa New Again
Home decorators get excited when confronted with an old sofa with a lot of potential. For those who - Finding The Right Granite For Your Home
The massive amount of options that are available can make choosing the right granite countertop for - The Truth About Black Mold Toxicity
The term "toxic mold" is not accurate. While certain molds are toxigenic, meaning they can produce t - Bunk Beds For Older Individuals - Are They Genuinely Worthwhile Acquiring?
Typically people think it a little random when adults get to sleep in loft beds. Nonetheless, in the - Kitchen Countertop Ideas: Ceramic And Granite
Ceramic tiles for kitchen countertops have become a must have in home buyers' kitchens.Whether you p - Why Front Door Security Is Important
It is an important aspect to realize the fact that even by having a fully fledged home security syst - Use Fire Seals On Fire Doors And Save Lives
Basically, a fire door is designed to save lives. This is the reason why there is such a big require - The Importance Of Front Door Security
The importance of your home's security hinges upon your door's quality and the lock system. For that
Most viewed articles in this category:
- Learn About The Basics of Basement Dehumidifier
Ever wonder how people keep their basement dry? Let me tell you a little secret. With proper air con - Cable Lock Foundation Repair
Foundation repairs are the most expensive, and sometimes the hardest type of damage to detect. This - What's Covering Your Windows?
At one time, curtain rods were used for only one purpose – hanging curtains. Today they are mu - Wooden Railings and Their Many Uses
Wooden railings remain one of the most common types of railings throughout the country. They not onl - Feng Shui To Greater Luck In This New Year
There are at least six ways to learn Feng Shui Luck. First you must learn and understand the very b - Adding A Pleasant Marble Coffee Table To Your Home
Usually, the couch or entertainment center get most of the attention in one's house, but there is no - Scroll Saw Basics
Scroll Saw Basics by Lee Bowman If you are wanting to try your hand at scroll work, a - How To Clean Wood Furniture
A room full of beautiful wood furniture brings warmth and elegance to any room, however, it's inevit - Welding And Metalwork: Strength And Function, Part 2
Metalwork is the art of making various objects out of metal. Most metalworkers are also called machi - The Bahamas Hurricane Shutter
Every year, hurricanes are formed in the ocean and wreak havoc when reaching land. This usually occu
