If you already have two layers shingles, the decision is made for you. The International Residential Code says that you cannot put a new roof over two or more applications of any type of roof covering. Part of the reason has to do with weight and its effect on the structure of your home.
Can a roof be repaired instead of replaced?
Putting off needed repairs might save you money in the short-term, but it will end up costing you a lot more in the long run. … For example, it’s sometimes possible — and entirely acceptable — to repair a roof rather than replace it.
Can you have 2 layers of shingles?
Most areas only allow for a maximum of two layers. This will also be constrained by other factors. The contractor may do a walk on the roof and also inspect from the attic for any rot before installing a second layer of shingles.
Can you replace just part of a roof?
When half or more of your roof is damaged, it can be tempting to just replace the damaged half to save yourself money and time. However, most professional roofing contractors do not recommend replacing only half of your roof.
Can you put metal roof over 2 layers of shingles?
In simplest terms: Yes, you can install a metal roof over shingles. … Building officials in some areas will only allow a re-roof over one layer of shingles, while officials in other places may allow you to place the roof over two layers of shingles.
What time of year is best to replace a roof?
What Time of Year is Best to Replace a Roof?
- Truth be told, the best time of year to replace your roof is whenever you’ve been able to adequately plan for it.
- Winter can be too cold, summer can be too hot and fall can be too busy, so for most areas of the U.S., spring is the best time of year to get your roof replaced.
Why are roof repairs so expensive?
Materials, labor and insurance costs are the factors that drive roof repair prices through the roof. Here’s why. The price of asphalt shingles rose 58 percent from 2008 to 2009, and prices have continued increasing. … Even disposal of materials is expensive if your contractor needs to haul away your old, heavy shingles.
Is two layers of shingles better than one?
While it may seem that two layers of roofing equals twice the protection, this is in no way true. Quantity does not equal quality. Here’s why: A) Foregoing the cost of tearing off the old shingles means that you are also foregoing a chance to inspect the underlying materials.
Is it OK to put new shingles over old?
The answer is yes, you can lay new roof shingles over old ones. … You can’t do it with wood or slate, for example, and you should never mix materials, such as laying asphalt shingles over cedar shakes. Also, the old roofing has to be in pretty good condition.
How much should roof repair cost?
In Queensland, roof repairs cost around $52.50/hr. Meanwhile, residents of New South Wales can expect to shoulder higher prices to get their roofs fixed; the average cost of roof repair in the state sits at approximately $55/hr.
What is the difference between re roof and new roof?
Most building codes define the options as follows: Reroofing: The process of recovering or replacing an existing roof covering. … Roof Replacement: The process of removing the existing roof covering, repairing any damaged substrate and installing a new roof covering.
How often should Roof Be Replaced?
Asphalt Shingles: 15-30 years. Wood Shingles: 20-25 years. Rubber Roofs: 30-50 years. Metal Roofs: 50-75 years.
Should shingles be removed before metal roof?
Considerations for Both Options. Your local roofing contractor may recommend tearing off your old shingles before installing a metal roof if any of the following conditions apply: Rough or uneven asphalt shingle roof will affect the metal roof’s appearance. The deck sheathing show signs of rot and would require repairs …
Does a metal roof affect insurance?
That’s why having a newly installed roof can save you on insurance premiums. … Insurance companies also look favorably on metal roofing because research has shown that homes with metal roofs receive less damage from storms and house fires, which means the company is much less likely to have to pay an insurance claim.
Can a metal roof go over shingles?
In almost every case, the answer is yes, you can lay down a new metal roof over an existing shingle roof. This is one of the many reasons metal roofs keep growing in popularity – their installation doesn’t require completely tearing off the existing roof, which is a time-consuming and expensive job.