So a person need a new roof and will be trying to choose whether or not necessarily to try in addition to stretch your budget by possessing the new roof installed over a preexisting layer of roofing. This technique is usually quite common within many areas and lots of roofing contractors avoid see any problem with this method and even have not a problem striving to sell home owners on the lay-over or perhaps go-over as this particular technique is called. They are inappropriate.
5 Top Causes A Lay-Over Or Go-Over Can be an Awful Idea When Re-Roofing
1. ) Locations that have or had leaks still cannot always be addressed effectively
There is usually a good opportunity that your ancient roof had several problem 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 wherever the leak had been coming from plus traveling to it will be impossible to tell just what areas of your own roof may need some special interest.
2. ) Virtually any rotted wood beneath the existing roofing will only get worse
There may be regions that have rotted wood hiding under the old roofing. These rotted areas should be identified and substituted before a new roof is installed. Obviously if alltype roofing rochester is certainly only doing some sort of lay-over roofing assembly then these rotted areas will remain covered up and only get even worse as being the years proceed on. Also the particular nails working the particular shingles in regions with rotted wooden cannot properly perform their job and you have a far higher risk regarding shingles blowing off of in those regions.
3. ) Eaves, rakes and miles need special treatment
This is a big 1. The eaves, rakes and valleys of your house need special attention whenever your home's roof is being installed. This is especially important in colder climates like Massachusetts, where were situated. In the winter season time the eaves of your house are under strike by Mother Mother nature, whether it be through snow dams, snow build up, or simply typically the constant freezing and thawing that takes place throughout the winter season. When a new roof is properly installed the roofing contractor needs to put new lightweight aluminum drip-edge around typically the entire perimeter associated with your roof.
Next they need to apply a a few foot wide segment of ice and water barrier throughout the perimeter as well as in any kind of valleys on the roof. Then that they can begin to setup the new roofing. Without tearing off of the original roofing there is simply no way to properly install the new drip-edge or ice cubes & water hurdle. Over a lay-over variety of roofing mount, the roofing service provider is counting on the existing products for the home's roof to be able to still be right up to par and also handle the winter months conditions. All as well often the old products fall quick whether it absolutely was since they have outlived their lifetime, had been sub-par to start with, or maybe they were never there to begin using (all to often the latter will be the case with ice & water barrier).
4. ) Extra roofing weight is not any good for aged trusses
One associated with the more evident issues with a lay-over re-roof is typically the added weight of the extra coating of shingles. On most newer homes this may not be an issue, however many older homes have rafters that will are considered undersized by today's framing standards. It is not unusual to see 2�6 rafter systems on the subject of many of these types of houses. Now throughout most situations the 2�6 rafter is undersized to commence with so you certainly don't wish to be adding the weight of a new roofing layer on top involving an old roofing layer to these types of already undersized rafter systems. With new roofs using 2�10, 2�12, engineered trusses, etc . the bodyweight isn't always as much of a great issue.
5. ) Shorter roof lifestyle expectancy
Most dependable roofing contractors consent that a lay-over roof will lower the new roof's lifetime by about 25%. This fact on your own means that any money you might include saved by using a lay-over, as opposed to a tear-off and even new roof mount, was only some sort of short term personal savings. In addition, a person now have 2 layers of roofing that will must be removed the up coming time your roof is done and that will also add a lot more cost to the job
Tear-Off Then Re-Roof Is Always Excellent
Well, I simply provided you 5 excellent reasons to split off your old roofing then install your own new roof. Indeed it can end up being cheaper in the short term to be able to do a go-over on your old roof, but, throughout the long expression to implement it more. We never recommend this kind of technique to the consumers. We always recommend completely tearing of the old roofing, fixing any actual problems, then setting up a fresh, lovely new roof that will will outlast any kind of lay-over roof because well as better protect our consumers'