5 Reasons Not to Have a New Roof Installed Over an Old Roofing

You need a new roof covering and also are attempting to make a decision whether or not to try and conserve some money by having the new roof covering installed over an existing layer of roof. This strategy is rather usual in lots of areas and numerous roofing contractors don’t see any kind of issue with this approach as well as have not a problem trying to offer house owners on a lay-over or go-over as this method is called. They are incorrect.

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 attended to correctly

There is a good chance that your old roof covering had some problem areas including possible leak areas, whether you saw them or otherwise. Without detaching the old roofing and also effectively identifying these sorts of difficulty areas and also identifying where the leak was coming from and also taking a trip to it is difficult to tell what areas of your roof covering might require some special interest.

2.) Any type of rotted timber under the existing roof covering will just get worse

There could be areas that have rotted wood concealing under the old roofing. These decayed areas need to be recognized as well as changed before a brand-new roof covering is installed. Undoubtedly if your professional roofer is just doing a lay-over roof covering setup after that these decomposed locations will certainly remain hidden and also just become worse as the years go on. Also the nails holding down the shingles in locations with rotted timber can not effectively do their task as well as you have a much higher threat of tiles blowing off in those areas.

3.) Eaves, rakes and valleys requirement unique therapy

This is a huge one. The eaves, rakes and valleys of your residence demand special interest when your home’s roofing is being mounted. This is particularly vital in cooler environments like Massachusetts, where we lie. In the winter time the eaves of your home are under fire by Mother Nature, whether it is through ice dams, snow accumulate, or simply the consistent cold and also thawing that takes place throughout the winter season. When Ocala Roofing reviews covering is properly set up the roofer requires to put brand-new aluminum drip-edge around the entire perimeter of your roof.

Next they require to apply a 3 foot wide area of ice & water barrier around the border as well as in any type of valleys on your roof covering. They can start to set up the new roofing. Without tearing off the original roof there is no other way to properly mount the brand-new drip-edge or ice & water barrier. On a lay-over kind of roofing mount, the professional roofer is relying on the existing products on the residence’s roofing to still depend on par and also be able to manage the winter conditions. All too often the old products fall short whether it was due to the fact that they have actually outlasted their life time, were sub-par to begin with, or perhaps they were never there to begin with (all to commonly the last holds true with ice & water barrier).

4.) Additional roof weight is no good for old rafters

Among the much more apparent troubles with a lay-over re-roof is the added weight of the extra layer of roof shingles. On a lot of more recent houses this is not a concern, nonetheless numerous older residences have rafters that are considered undersized by today’s framing standards. It is not uncommon to see 2 × 6 rafter systems on much of these residences. Currently in the majority of scenarios a 2 × 6 rafter is undersized to start with and you definitely do not want to be including the weight of a new roof layer on top of an old roof covering layer to these currently undersized rafter systems. With more recent roof coverings using 2 × 10, 2 × 12, engineered trusses, and so on the weight isn’t constantly as much of a concern.

5.) Shorter roof covering life expectancy

The majority of responsible professional roofer agree that a lay-over roof covering will reduce the brand-new roof’s life time by regarding 25%. This fact alone means that any type of cash you could have conserved by doing a lay-over, in contrast to a tear-off as well as brand-new roofing system set up, was just a short-term savings. In addition, you currently have 2 layers of roofing that will certainly require to be eliminated the next time your roof covering is done and that will certainly also include more cost to the task

Tear-Off Then Re-Roof Is Always Superior

Well, I just provided you 5 very good reasons to detach your old roof and afterwards mount your new roof covering. Yes it can be cheaper in the short term to do a go-over on your old roof, however, in the long term it will cost you extra. We never suggest this technique to our customers. We constantly suggest entirely tearing of the old roof, taking care of any type of underlying troubles, after that mounting a fresh, gorgeous brand-new roof that will outlast any kind of lay-over roofing in addition to better shield our customers’ homes.

You need a new roof covering and are trying to make a decision whether or not to attempt as well as save some cash by having the new roof mounted over an existing layer of roof. When a brand-new roof is properly mounted the roofing service provider requires to place brand-new light weight aluminum drip-edge around the entire perimeter of your roof covering.

On a lay-over kind of roofing mount, the roofing professional is counting on the existing items on the home’s roof covering to still be up to the same level and also be able to take care of the wintertime conditions. The majority of liable roof contractors agree that a lay-over roof covering will certainly decrease the new roofing’s lifetime by concerning 25%. We constantly recommend completely tearing of the old roof covering, dealing with any underlying issues, after that mounting a fresh, stunning new roofing that will outlast any type of lay-over roofing system as well as better secure our customers’ homes.

You need a new roof covering and also are attempting to make a decision whether or not to try and conserve some money by having the new roof covering installed over an existing layer of roof. This strategy is rather usual in lots of areas and numerous roofing contractors don’t see any kind of issue…

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