Black exteriors are better heat absorbers, and historically heat-reflective roofs have consistently been white to optimize their effectiveness. If there are bald patches where granule depletion has transpired due to lack of protection by these tattered segments, then it may also mean it’s necessary to replace the whole lot.
But you need to be conscious of what it's like on the interior and outdoors your house during your installation. Roofing that has been around for 25 to 30 yrs might consider a total replacement, even if it seems like the roofing isn't in bad shape. For instance, an individual business in our area charges a mere $1200 per square footage but another firm I understand of only asks for about $30,000 - therefore it all depends on what sort of job they have done previously. Our aim is to ensure that your roofing outlay is a prudent one that will meet every roofing needs and deliver decades of security and effortless home contentment.