So that you want a brand new roof and try to determine whether or not or to not try to avoid wasting cash by having the brand new roof put in over an present layer of roofing roofing company san diego. This method is kind of widespread in lots of areas and plenty of roofing contractors do not see any drawback with this methodology and haven’t any drawback attempting to promote householders on a lay-over or go-over as this method known as. They’re unsuitable.
5 Prime Causes A Lay-Over Or Go-Over Is A Unhealthy Concept When Re-Roofing
1.) Areas which have or had leaks cannot all the time be addressed correctly
There’s a good probability that your previous roof had some drawback areas together with potential leak spots, whether or not you seen them or not. With out tearing off the previous roof and correctly figuring out a lot of these hassle spots and figuring out the place the leak was coming from and touring to it’s unattainable to inform what areas of your roof might have some particular consideration.
2.) Any rotted wooden underneath the present roofing will solely worsen
There might be areas which have rotted wooden hiding underneath the previous roofing. These rotted areas have to be recognized and changed earlier than a brand new roof is put in. Clearly in case your roofing contractor is simply doing a lay-over roofing set up then these rotted areas will stay lined up and solely worsen because the years go on. Additionally the nails holding down the shingles in areas with rotted wooden can’t correctly do their job and you’ve got a a lot larger threat of shingles blowing off in these areas.
three.) Eaves, rakes and valleys want particular remedy
This can be a large one. The eaves, rakes and valleys of your own home want particular consideration when your private home’s roof is being put in. That is particularly necessary in colder climates like Massachusetts, the place we’re positioned. Within the winter time the eaves of your own home are underneath assault by Mom Nature, whether or not it’s via ice dams, snow construct up, or simply the fixed freezing and thawing that happens all through the winter season. When a brand new roof is correctly put in the roofing contractor must put new aluminum drip-edge across the complete perimeter of your roof.
Subsequent they should apply a three foot large part of ice & water barrier across the perimeter in addition to in any valleys in your roof. Then they will start to put in the brand new roofing. With out tearing off the unique roofing there is no such thing as a technique to correctly set up the brand new drip-edge or ice & water barrier. On a lay-over sort of roofing set up, the roofing contractor is relying on the present merchandise on the house’s roof to nonetheless be as much as par and be capable to deal with the winter circumstances. All too typically the previous merchandise fall quick whether or not it was as a result of they’ve outlived their lifetime, had been sub-par to start with, or possibly they had been by no means there to start with (all to typically the latter is the case with ice & water barrier).
four.) Additional roofing weight is not any good for previous rafters
One of many extra apparent issues with a lay-over re-roof is the added weight of the additional layer of shingles. On most newer houses this isn’t a problem, nonetheless many older houses have rafters which might be thought-about undersized by right now’s framing requirements. It isn’t unusual to see 2×6 rafter programs on many of those homes. Now in most conditions a 2×6 rafter is undersized to start with and also you definitely do not wish to be including the burden of a brand new roofing layer on prime of an previous roofing layer to those already undersized rafter programs. With newer roofs utilizing 2×10, 2×12, engineered trusses, and so on. the burden is not all the time as a lot of a problem.
5.) Shorter roof life expectancy
Most accountable roofing contractors agree lay-over roof will lower the brand new roof’s lifetime by about 25%. This truth alone signifies that any cash you may need saved by doing a lay-over, versus a tear-off and new roof set up, was solely a brief time period financial savings. As well as, you now have 2 layers of roofing that may have to be eliminated the subsequent time your roof is finished and that can even add extra value to the job
Tear-Off Then Re-Roof Is All the time Superior
Properly, I simply gave you 5 superb causes to tear off your previous roofing after which set up your new roof. Sure it may be cheaper within the quick time period to do a go-over in your previous roof, however, in the long run it’s going to value you extra. We by no means suggest this method to our clients. We all the time suggest utterly tearing of the previous roofing, fixing any underlying issues, then putting in a contemporary, lovely new roof that may outlast any lay-over roof in addition to higher defend our clients’ houses.