a few Reasons Not to be able to Have got a New Roof structure Installed Over the Old Roof
So a person need a fresh roof and will be trying to decide whether or certainly not to try and save some money by getting the new roof installed over a current layer of roofing. This technique is usually quite common inside many areas and lots of roofing contractors don't see any problem with this particular method in addition to have no problem seeking to sell house owners on a lay-over or even go-over as this technique is referred to as. They are wrong.
5 Top Causes A Lay-Over Or perhaps Go-Over Is actually an Awful Idea When Re-Roofing
1. ) Locations that have or had leaks can't always be resolved properly
There is definitely a good probability that your ancient roof had some troublesome areas including probable leak spots, whether or not you noticed these people delete word. Without getting off the old roof and properly identifying these kind of trouble spots and determining exactly where the leak was coming from and even visiting it is impossible to share with what areas of your roof may need some special interest.
2. ) Virtually any rotted wood underneath the existing roofing will only get worse
There may be regions that have rotted wood hiding underneath the old roofing. These kinds of rotted areas need to be identified and changed before a fresh roof is set up. Obviously if your own roofing contractor is definitely only doing the lay-over roofing unit installation then these rotted areas will stay covered up in addition to only get a whole lot worse since the years proceed on. Also the nails working typically the shingles in locations with rotted wooden cannot properly carry out their job plus you have a lot higher risk of shingles blowing away from in those areas.
3. ) Eaves, rakes and valleys need special therapy
This is the big a single. The eaves, rakes and valleys of your house require special attention any time your home's roof is being mounted. This is especially important in cooler climates like Massachusetts, where we are positioned. In the winter months time the eaves of your house are under attack by Mother Nature, whether it be through snow dams, snow develop up, or perhaps the particular constant freezing plus thawing that takes place throughout the winter period. When a fresh roof is effectively installed the roofing contractor needs to put new aluminum drip-edge around typically the entire perimeter associated with your roof.
Up coming they need to apply a three or more foot wide segment of ice and water barrier throughout the perimeter as good as in any kind of valleys on your own roof. Then they will can begin to set up the new roofing. Without tearing away the original roofing there is no way to appropriately install the fresh drip-edge or ice & water obstacle. Over a lay-over sort of roofing set up, the roofing company is relying on the existing products within the home's roof to still be back up to par and be able to handle the winter conditions. All as well often the old products fall short whether it was due to the fact they have outlived their lifetime, had been sub-par to commence with, or perhaps they were never now there to begin using (all to frequently the latter is the case with glaciers & water barrier).
4. ) Additional roofing weight is not a good for outdated trusses
One regarding the more apparent problems with a lay-over re-roof is the particular added weight regarding the extra layer of shingles. Of all newer homes this is not an issue, however many older home have rafters that will are considered undersized by today's mounting standards. It is far from unusual to see 2�6 rafter systems on the subject of many of these kinds of houses. Now inside most situations a 2�6 rafter is undersized to begin with and also you surely don't want to be putting the weight of your new roofing part on top of an old roofing layer to these kinds of already undersized rafter systems. With modern roofs using 2�10, 2�12, engineered trusses, etc . the excess weight isn't always because much of a great issue.
5. ) Shorter roof life expectancy
Most dependable roofing contractors concur that a lay-over roof will lower the new roof's lifetime by about 25%. Click to find out more by yourself means that any cash you might have got saved by doing a lay-over, as opposed to a tear-off and new roof set up, was only the short term personal savings. In addition, an individual now have 2 layers of roofing that will need to be removed the subsequent time your roof is done which will also add more cost to the particular job
Tear-Off After that Re-Roof Is Always Excellent
Well, I just offered you 5 great reasons to split through your old roofing and after that install the new roof. Of course it can become cheaper in the particular short term to do a go-over on your old roof, but, within the long name to implement it more. We all never recommend this technique to our customers. We always advise completely tearing of the old roofing, fixing any fundamental problems, then setting up a fresh, beautiful new roof that will outlast virtually any lay-over roof as well as much better protect our consumers'