Ought to I substitute my roof earlier than switching to photo voltaic vitality?
You probably have determined to put in a photo voltaic photovoltaic (PV) system in your roof, it is smart to proceed with superior planning. Photo voltaic panels are designed to final 25 to 30 years. Some roofs final solely 20 years or much less relying on the local weather. If you’re going to set up a photo voltaic system and the roof must be changed quickly, it’s best to do it first.
Eradicating the photo voltaic panels to do the work on the roof is a mission of excessive depth of manpower. A easy method to keep away from this additional expense is to switch an outdated roof earlier than switching to photo voltaic vitality.
Asphalt shingles or composite roofs
Asphalt is the commonest roofing materials in the USA. These roofs are typically much less sturdy than photo voltaic panels and are designed to final 20 years. Actually, it’s fairly frequent for photo voltaic panels to guard asphalt shingle roofs from hail injury. To connect photo voltaic panels, merely drill the roof and connect the mounting to the roof pillars. The penetrations within the roof are then sealed to stop any infiltration of water.
Tile or ceramic roofs
Though it’s doable to put in photo voltaic panels on a ceramic roof, care have to be taken to keep away from damaging it. First, the ceramic tiles are eliminated, then the brackets are put in with a flashing to stop roof leaks. Though there are different approaches, drilling tiles may cause them to interrupt.
Steel roof with standing seam
These are the perfect roofs for photo voltaic panels, however their preliminary value is greater than that of asphalt shingle roofs.
Steel roofs are designed to final between 40 and 70 years, which is longer than photo voltaic panels. Due to their longevity, upkeep is cheap, leading to long-term value financial savings.
Roof seams can be utilized to mount panel , eliminating the necessity for roof penetration. Since it’s less complicated and sooner than putting in photo voltaic panels on different kinds of roofs, your set up prices may also be decrease. In case you resolve to switch your roof, make sure that the roof is designed for vitality effectivity and inside consolation.
One other benefit of steel roofs is that they’re extra environmentally pleasant than asphalt shingles. Steel roofs may also dramatically scale back heating and cooling prices when a slat / counter batt system is used. This configuration promotes the effectivity of the home because it prevents the warmth from coming into the home in the summertime and prevents the warmth from escaping within the winter. Steel roofs final two to a few instances longer than shingles, so that they require much less materials over the lifetime of the roof. One other benefit is that they’re recyclable on the finish of their life and often include recycled supplies. Steel roofs with gutters are additionally excellent for rainwater restoration.
As with all different main buy, it’s a good suggestion to do superior planning. Putting in a photo voltaic vitality system can lead to appreciable value financial savings, however having to take away the panels a yr or two after set up to switch the roof would cut back your return on photo voltaic funding.