5 Reasons Not to Have a New Roof Installed Over an Old Roof
So that you want a brand new roof and are attempting to resolve 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. This method is sort of frequent in lots of areas and lots of roofing contractors do not see any drawback with this technique and haven’t any drawback attempting to promote owners on a lay-over or go-over as this method known as. They’re mistaken.
5 High Causes A Lay-Over Or Go-Over Is A Dangerous Thought When Re-Roofing
1.) Areas which have or had leaks cannot at all times be addressed correctly
There’s a good likelihood that your outdated roof had some drawback areas together with potential leak spots, whether or not you seen them or not. With out tearing off the outdated roof and correctly figuring out these kind of bother spots and figuring out the place the leak was coming from and touring to it’s unattainable to inform what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 below the present roofing will solely worsen
There may very well be areas which have rotted wooden hiding below the outdated roofing.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 just 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 not correctly do their job and you’ve got a a lot greater danger of shingles blowing off in these areas.
three.) Eaves, rakes and valleys want particular therapy
This can be a large one. The eaves, rakes and valleys of your own home want particular consideration when your own home’s roof is being put in. That is particularly vital in colder climates like Massachusetts, the place we’re positioned. Within the winter time the eaves of your own home are below assault by Mom Nature, whether or not it’s by 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 total 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’ll start to put in the brand new roofing. With out tearing off the unique roofing there isn’t a strategy to correctly set up the brand new drip-edge or ice & water barrier. On a lay-over kind 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 have the ability to deal with the winter situations. All too usually the outdated merchandise fall brief 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 usually the latter is the case with ice & water barrier).
four.) Further roofing weight isn’t any good for outdated 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 properties this isn’t a problem, nevertheless many older properties have rafters which can be thought of undersized by in the present day’s framing requirements. It’s not 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 load of a brand new roofing layer on prime of an outdated roofing layer to those already undersized rafter programs. With newer roofs utilizing 2×10, 2×12, engineered trusses, and so on. the load is not at all times 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 reality alone signifies that any cash you might 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 may also add extra price to the job
Tear-Off Then Re-Roof Is At all times Superior
Properly, I simply gave you 5 superb causes to tear off your outdated roofing after which set up your new roof. Sure it may be cheaper within the brief time period to do a go-over in your outdated Roofers In Orlando Roof roof, however, in the long run it can price you extra. We by no means advocate this method to our clients. We at all times advocate utterly tearing of the outdated roofing, fixing any underlying issues, then putting in a recent, lovely new roof that may outlast any lay-over roof in addition to higher shield our clients’ properties.