So you require a brand-new roof covering and aiming to determine whether to not
to try and save money by having the new roofing system mounted over an existing
layer of roof covering. This method is fairly typical in several locations and
several professional roofer do not see any issue with this approach and have no
worry attempting to sell residents on a lay-over or go-over as this method is
called. They are wrong.
5 Leading Factors A Lay-Over Or Go-Over Is A Bad Concept When Re-Roofing
1.) Locations that have or had leakages cannot constantly be resolved effectively
There is a likelihood that your old roofing system had some trouble locations consisting of feasible leakage areas, whether you saw them or otherwise. Without detaching the old roof covering and also appropriately determining these sorts of trouble spots and also identifying where the leakage was originating from and also taking a trip to it is difficult to inform exactly what locations of your roofing system could require some unique interest.
2.) Any kind of rotted wood under the existing roof covering will just worsen
There could be locations that have actually rotted wood concealing under the old roof. These deteriorated locations have to be recognized as well as changed prior to a brand-new roof covering is set up. Certainly if your professional roofer is just doing a lay-over roof setup after that these deteriorated locations will certainly stay hidden and also just worsen as the years take place. Additionally the nails holding back the tiles in locations with rotted wood could not effectively do their work as well as you have a much greater danger of roof shingles blowing off in those locations.
1.) Locations that have or had leakages cannot constantly be resolved effectively
There is a likelihood that your old roofing system had some trouble locations consisting of feasible leakage areas, whether you saw them or otherwise. Without detaching the old roof covering and also appropriately determining these sorts of trouble spots and also identifying where the leakage was originating from and also taking a trip to it is difficult to inform exactly what locations of your roofing system could require some unique interest.
2.) Any kind of rotted wood under the existing roof covering will just worsen
There could be locations that have actually rotted wood concealing under the old roof. These deteriorated locations have to be recognized as well as changed prior to a brand-new roof covering is set up. Certainly if your professional roofer is just doing a lay-over roof setup after that these deteriorated locations will certainly stay hidden and also just worsen as the years take place. Additionally the nails holding back the tiles in locations with rotted wood could not effectively do their work as well as you have a much greater danger of roof shingles blowing off in those locations.
3.) Eaves, rakes as well as valleys demand unique therapy
This is a large one. The eaves, rakes as well as valleys of your home requirement unique focus when your residence's roofing is being set up. This is particularly essential in cold environments like Massachusetts, where we lie. In the winter season time the eaves of your home are under fire by Mother earth, whether it is with ice dams, snow accumulate, or merely the consistent cold and also thawing that happens throughout the winter. When a brand-new roofing is effectively set up the roofer should place brand-new light weight aluminum drip-edge around the whole boundary of your roofing system.
Next they have to use a 3 foot broad area of ice & water obstacle around the boundary in addition to any type of valleys on your roofing. After that they could start to mount the brand-new roof. Without detaching the initial roof there is no other way to effectively mount the brand-new drip-edge or ice & water obstacle. On a lay-over sort of roof set up, the roofer is depending on the existing items on the house's roofing to still depend on the same level and also have the ability to take care of the winter months problems. All frequently the old items fail whether it was since they have actually outlasted their life time, were mediocre to start with, or possibly they were never ever there to start with (all to commonly the last holds true with ice & water obstacle).
4.) Additional roof weight is no good for old rafters
Among the a lot more evident issues with a lay-over re-roof is the included weight of the additional layer of tiles. On the majority of more recent residences this is not a problem, nonetheless lots of older houses have rafters that are taken into consideration undersized by today's mounting specifications. It is not unusual to see 2 × 6 rafter systems on a number of these homes. Currently in many scenarios a 2 × 6 rafter is undersized to start with and also you definitely do not wish to be including the weight of a brand-new roof covering layer in addition to an old roof layer to these currently small rafter systems. With more recent roofing systems making use of 2 × 10, 2 × 12, crafted trusses, and so on the weight isn't really constantly as much of a concern.
This is a large one. The eaves, rakes as well as valleys of your home requirement unique focus when your residence's roofing is being set up. This is particularly essential in cold environments like Massachusetts, where we lie. In the winter season time the eaves of your home are under fire by Mother earth, whether it is with ice dams, snow accumulate, or merely the consistent cold and also thawing that happens throughout the winter. When a brand-new roofing is effectively set up the roofer should place brand-new light weight aluminum drip-edge around the whole boundary of your roofing system.
Next they have to use a 3 foot broad area of ice & water obstacle around the boundary in addition to any type of valleys on your roofing. After that they could start to mount the brand-new roof. Without detaching the initial roof there is no other way to effectively mount the brand-new drip-edge or ice & water obstacle. On a lay-over sort of roof set up, the roofer is depending on the existing items on the house's roofing to still depend on the same level and also have the ability to take care of the winter months problems. All frequently the old items fail whether it was since they have actually outlasted their life time, were mediocre to start with, or possibly they were never ever there to start with (all to commonly the last holds true with ice & water obstacle).
4.) Additional roof weight is no good for old rafters
Among the a lot more evident issues with a lay-over re-roof is the included weight of the additional layer of tiles. On the majority of more recent residences this is not a problem, nonetheless lots of older houses have rafters that are taken into consideration undersized by today's mounting specifications. It is not unusual to see 2 × 6 rafter systems on a number of these homes. Currently in many scenarios a 2 × 6 rafter is undersized to start with and also you definitely do not wish to be including the weight of a brand-new roof covering layer in addition to an old roof layer to these currently small rafter systems. With more recent roofing systems making use of 2 × 10, 2 × 12, crafted trusses, and so on the weight isn't really constantly as much of a concern.
5.) Much shorter roof covering life span
The majority of liable professional roofing contractors concur that a lay-over roof covering will certainly reduce the brand-new roof covering's life time by concerning 25%. This truth alone implies that any type of cash you could have conserved by doing a lay-over, rather than a tear-off as well as brand-new roof covering set up, was just a short-term cost savings. Additionally, you currently have 2 layers of roof that will certainly have to be gotten rid of the following time your roof covering is done which will certainly likewise generate even more price to the work
6.) Tear-Off and Re-Roof Is Always Superior
These are good reasons to consider why you need to detach your old roof and mount your brand-new roofing. Yes it can be less costly in the short-term to do a go-over on your old roofing system, yet, in the long-term it will certainly cost you much more. We never ever advise this method to our clients. We constantly suggest entirely tearing of the old roof covering, taking care of any type of underlying troubles, after that mounting a fresh, attractive brand-new roof covering that will certainly last longer than any kind of lay-over roofing along with much better secure our clients' residences.
The majority of liable professional roofing contractors concur that a lay-over roof covering will certainly reduce the brand-new roof covering's life time by concerning 25%. This truth alone implies that any type of cash you could have conserved by doing a lay-over, rather than a tear-off as well as brand-new roof covering set up, was just a short-term cost savings. Additionally, you currently have 2 layers of roof that will certainly have to be gotten rid of the following time your roof covering is done which will certainly likewise generate even more price to the work
6.) Tear-Off and Re-Roof Is Always Superior
These are good reasons to consider why you need to detach your old roof and mount your brand-new roofing. Yes it can be less costly in the short-term to do a go-over on your old roofing system, yet, in the long-term it will certainly cost you much more. We never ever advise this method to our clients. We constantly suggest entirely tearing of the old roof covering, taking care of any type of underlying troubles, after that mounting a fresh, attractive brand-new roof covering that will certainly last longer than any kind of lay-over roofing along with much better secure our clients' residences.
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