Best Commercial and Residential Roofers in Winston-Salem
Let us Solve your Roofing Problems in Winston-Salem
With over a decade of experience, Armadillo Roofing is a natural choice for all your residential and commercial roofing needs in Winston-Salem.
We are a seasoned North Carolina roofing company with the skills needed to help you protect your property from the elements in every season.
Whether you are looking for help with new construction or need roof repairs on an older property, your project represents a big investment.
You need to know you are working with a licensed roofing contractor you can trust to provide the absolute best quality work on budget and on time. This is exactly what you get when you choose Armadillo Roofing in Winston-Salem.
5 Reasons Not to Have a New Roof Installed Over an Old Roof
This article offers tips on how to install metal roofing over asphalt shingles. It is indeed a good idea not to dismantle the old roof because this will mean that you will save on the time and effort that you would have spent in removing the asphalt shingles. Moreover, you will also have the benefit of having a stronger support for your around the house roofing that is made from lightweight metal. However, one problem with the strategy of installing over the old shingles is that their shape may be evident on the flats of the metal thereby damaging the appearance of the metal roof. It is therefore important to know how to install the roofing over asphalt shingles if you plan to do this project yourself.
One of the first steps to take when you want to install metal roofing over asphalt shingles is to be aware of the mechanical issues that need to be resolved for you to accomplish this project. One of these issues is how the old roof is ventilated and whether this would become a problem when you place the metal roofing over the asphalt roof. One of the ways to remedy this problem is to place some battens or strips of wood at regular intervals to permit air flow. The spacings between the battens will depend on the recommendations of the manufacturer and the requirements of the building code in your area.
Another important issue to consider when learning how to install this roof over the asphalt shingles is how to control the moisture under it. This could be solved by putting felt or some synthetic material under the it. It should be noted that this will also greatly reduce the noise created by rain or hailstorm. You will also need to make sure that everything is straight and square or the metal shingles could not be installed correctly. After you have made sure that everything is square, you may then draw a line that will serve as your guide when you lay down the first few metal shingles. But before you start laying them down, you will need to take a few minutes to familiarize yourself with the instructions contained in the installation guide for metal roofing that is provided by the manufacturer.
Knowing how to install metal roofing over asphalt shingles is vital especially for the interlocked roofing systems. These shingles have mechanisms for interlock on four sides and there are specific instructions to follow when installing them yourself. If it is your first time to install a roof, you may want to ask for some tips from contractors and other professionals. Do not forget to ask them about safety issues, such as the fact that metal roofing is dangerous to walk on because it is slippery, especially when it is wet. It is also important to remember that making changes to metal roofing is more difficult than for other materials. Thus, it is important to do it correctly when you install it.
Tips on How to Install Metal Roofing Over Asphalt Shingles
So you need a new roof and are trying to decide whether or not to try and save some money by having the new roof installed over an existing layer of roofing. This technique is quite common in many areas and many roofing contractors don't see any problem with this method and have no problem trying to sell homeowners on a lay-over or go-over as this technique is called. They are wrong.
5 Top Reasons A Lay-Over Or Go-Over Is A Bad Idea When Re-Roofing
1.) Areas that have or had leaks can't always be addressed properly
There is a good chance that your old roof had some problem areas including possible leak spots, whether you noticed them or not. Without tearing off the old roof and properly identifying these types of trouble spots and determining where the leak was coming from and traveling to it is impossible to tell what areas of your roof may need some special attention.
2.) Any rotted wood under the existing roofing will only get worse
There could be areas that have rotted wood hiding under the old roofing. These rotted areas need to be identified and replaced before a new roof is installed. Obviously if your roofing contractor is only doing a lay-over roofing installation then these rotted areas will remain covered up and only get worse as the years go on. Also the nails holding down the shingles in areas with rotted wood cannot properly do their job and you have a much higher risk of shingles blowing off in those areas.
3.) Eaves, rakes and valleys need special treatment
This is a big one. The eaves, rakes and valleys of your house need special attention when your home's roof is being installed. This is especially important in colder climates like Massachusetts, where we are located. In the winter time the eaves of your house are under attack by Mother Nature, whether it is through ice dams, snow build up, or just the constant freezing and thawing that occurs throughout the winter season. When a new roof is properly installed the roofing contractor needs to put new aluminum drip-edge around the entire perimeter of your roof.
Next they need to apply a 3 foot wide section of ice & water barrier around the perimeter as well as in any valleys on your roof. Then they can begin to install the new roofing. Without tearing off the original roofing there is no way to properly install the new drip-edge or ice & water barrier. On a lay-over type of roofing install, the roofing contractor is counting on the existing products on the home's roof to still be up to par and be able to handle the winter conditions. All too often the old products fall short whether it was because they have outlived their lifetime, were sub-par to begin with, or maybe they were never there to begin with (all to often the latter is the case with ice & water barrier).
4.) Extra roofing weight is no good for old rafters
One of the more obvious problems with a lay-over re-roof is the added weight of the extra layer of shingles. On most newer homes this is not an issue, however many older homes have rafters that are considered undersized by today's framing standards. It is not uncommon to see 2×6 rafter systems on many of these houses. Now in most situations a 2×6 rafter is undersized to begin with and you certainly don't want to be adding the weight of a new roofing layer on top of an old roofing layer to these already undersized rafter systems. With newer roofs using 2×10, 2×12, engineered trusses, etc. the weight isn't always as much of an issue.
5.) Shorter roof life expectancy
Most responsible roofing contractors agree that a lay-over roof will decrease the new roof's lifetime by about 25%. This fact alone means that any money you might have saved by doing a lay-over, as opposed to a tear-off and new roof install, was only a short term savings. In addition, you now have 2 layers of roofing that will need to be removed the next time your roof is done and that will also add more cost to the job
Tear-Off Then Re-Roof Is Always Superior
Well, I just gave you 5 very good reasons to tear off your old roofing and then install your new roof. Yes it can be cheaper in the short term to do a go-over on your old roof, but, in the long term it will cost you more. We never recommend this technique to our customers. We always recommend completely tearing of the old roofing, fixing any underlying problems, then installing a fresh, beautiful new roof that will outlast any lay-over roof as well as better protect our customers' homes.
Armadillo Roofing has been a leading full-service roofing contractor in Winston-Salem for almost a decade, and we are proud to offer our quality services to residential roofing customers in Winston-Salem.
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We pride ourselves on our excellent craftsmanship and attention to detail. Armadillo Roofing offers custom tile roofs, slate roofs, cedar wood shingle/shake roofs, and other residential roofs in Winston-Salem.
Call Us today to learn more about residential roofing services in Winston-Salem.
Roof Installation Deals Winston-Salem