five Reasons Not to Have a New Roof Mounted More than an Aged Roof
So You’ll need a new roof and try to make a decision if to attempt to help you save some cash by owning the new roof mounted in excess of an present layer of roofing. This method is sort of frequent in lots of locations and many roofing contractors Really don’t see any difficulty with this method and possess no dilemma trying to offer homeowners with a lay-around or go-above as This system is named. These are Improper.
five Best Factors A Lay-More than Or Go-In excess of Is A nasty Concept When Re-Roofing
one.) Areas that have or had leaks can’t often be resolved adequately
You will find there’s fantastic chance that the old roof had some challenge locations which include doable leak spots, regardless of whether you noticed them or not. Without the need of tearing from the old roof and correctly pinpointing these kinds of issues spots and broadview heights roofing contractor pinpointing exactly where the leak was coming from and touring to it can be unachievable to inform what areas of your roof may have some Specific attention.
two.) Any rotted wood below the existing roofing will only worsen
There may very well be areas which have rotted Wooden hiding underneath the previous roofing. These rotted spots should be discovered and changed before a different roof is installed. Certainly if your roofing contractor is barely undertaking a lay-over roofing installation then these rotted areas will keep on being covered up and only worsen because the many years go on. Also the nails Keeping down the shingles in regions with rotted Wooden cannot effectively do their position and you have a Substantially better threat of shingles blowing off in People areas.
three.) Eaves, rakes and valleys need Particular treatment
It is a huge 1. The eaves, rakes and valleys of your home have to have Specific awareness when your residence’s roof is remaining put in. This is particularly vital in colder climates like Massachusetts, in which we are located. Inside the winter time the eaves of your house are under attack by Mom Nature, whether it’s as a result of ice dams, snow Develop up, or merely the continual freezing and thawing that happens through the Wintertime time. When a new roof is adequately put in the roofing contractor really should set new aluminum drip-edge throughout the total perimeter of your respective roof.
Up coming they should implement a three foot large portion of ice & drinking water barrier round the perimeter along with in almost any valleys on your roof. Then they are able to start off to setup The brand new roofing. Devoid of tearing off the initial roofing there’s no way to adequately set up the new drip-edge or ice & h2o barrier. With a lay-around style of roofing install, the roofing contractor is relying on the existing merchandise on the house’s roof to still be approximately par and manage to tackle the Winter season conditions. All much too generally the outdated solutions tumble shorter no matter whether it had been mainly because they have outlived their lifetime, had been sub-par to begin with, Or perhaps they were hardly ever there to begin with (all to frequently the latter is the situation with ice & water barrier).
four.) More roofing body weight is not any fantastic for aged rafters
Among the list of more noticeable problems with a lay-around re-roof could be the included bodyweight of the extra layer of shingles. On most newer households this is simply not a problem, on the other hand a lot of more mature properties have rafters which can be deemed undersized by present day framing specifications. It is not unheard of to find out 2×six rafter techniques on lots of of these homes. Now in most conditions a two×six rafter is undersized to start with and you also unquestionably don’t want being adding the weight of a different roofing layer in addition to an outdated roofing layer to these previously undersized rafter systems. With newer roofs making use of two×10, 2×12, engineered trusses, etc. the burden is not as much of a concern.