You can request a limited replacement of unified materials. Unified materials are pieces that, when assembled, form a complete roof. While only half of a roof can be replaced, roofing experts don't recommend it. Some homeowners might consider it a cheaper option or think it saves time.
From the point of view of experts, replacing half of the roof often brings more harm (or expense) than good. Technically, yes, only part of a roof can be replaced. However, it's not something we usually recommend. To replace damaged shingles, you must remove the damaged shingle, install the new one, and seal the edges.
Because both sides of the roof have a different lifespan, you'll have to pay for repairs more often than for a complete roof replacement. But the reality is that there are good reasons why an accredited roofing contractor doesn't recommend replacing half of the roof. I understand that everyone has a limited budget, and trying to save money by replacing half of the roof may seem like a good idea. If the damage is widespread or if the roof is near the end of its useful life, you may need to replace everything.
By replacing half of your roof, you don't get the warranty protection you expect after investing in a replacement. If you have a leak or other minor damage, the good news is that you probably won't have to replace half of the roof and can get by with partial repairs. A lot of people like the idea of replacing half of a roof because they think it will save them money, and if you can find a roofer who will do it, they will. We can help you find the best solution to replace lost shingles while maintaining the integrity and appearance of your roof.
If there was a storm or periods of strong wind and you lost some shingles, it probably won't be necessary to repair or replace the roof on a large scale. If only parts of the roof are damaged, it's possible to replace only the affected area, but that may not be a good idea. In the end, if your roof just needs to replace a few shingles or do some minor patches, you can hire a roofer to do those small repairs for you. If your roof is more than 20 years old and most of the shingles are damaged or heavily worn, it's time to replace it.