Table of Contents
When you invest in a roof replacement, the old roof will need to be torn off. What this means is that your roofing contractor will go section by section removing old roofing materials and tearing off your old shingles from the roof’s decking. The tear-off process is crucial to the replacement process.
What does a roof tear off consist of?
The Roof Tear Off Most roofers like to start from a clean slate and that means tearing off all of the old materials. This includes tearing off the shingles, underlayment, felt, any old flashing, old rakes and eaves and anything else that needs to come out to make way for your new materials.
How long do tear off roofs last?
An overlay is a viable option if the existing roofing materials have not already been overlaid. Home Reference.net notes that on average you can expect the overlay to last for fifteen or sixteen years.
What is the cost to tear off a roof?
Most homeowners can expect the average cost to tear off and replace a roof to be around $12,000 to $15,000. This price is based on a home with 3 bedrooms, 2 bathrooms, a walkable roof pitch, a little roof complexity, and architectural asphalt shingles.
Should you tear off old roof?
In most cases, more than two layers of roofing shingles does require a tear-off. Laying new shingles over old shingles is easily prone to leaks and reduces the life of the new shingles. This alone ought to be reason enough to do a tear-off; it’s just a bad value not to.
Is it okay to overlay a roof?
A: In general, it is not good practice to overlay a traditional asphalt shingle roof versus a complete tear off and replacement for the very reason you stated: you can’t examine the decking to determine if there is any damage that needs repaired. Flashing around roof penetrations and sidewalls can be compromised.
Is it OK to shingle over an existing roof?
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.
What is considered a new roof?
What Is a Roof Replacement? A roof replacement involves tearing off everything on the roof down to the deck, then putting on new felt paper and shingles. A roof replacement can be done no matter how many layers of shingles are already on the roof, so it can be done even when a reroofing is not an option.
How many layers of roofing can you put on a house?
House roofs should never exceed three layers of shingles. Adding additional layers without excavation can save homeowners up to $1,000 in labor. Therefore, layering has advantages. Building and city codes require roofers to limit shingle layers to two.
How long does it take to tear off and replace a roof?
In general, the roof of an average residence (3,000 square feet or less) can be replaced in a day. In extreme cases, it could take three to five days. Depending on the weather, complexity, and accessibility of your home it could even take up to three weeks.
How long should a roof last?
Your asphalt roof is about 20 years old The life of a roof is how many years you get out of it. For a standard 3-tab asphalt shingle roof, that’s 25-years. As long as your roof has been properly ventilated and installed you should get pretty close to that 25 years of roof life.
How often are roofs replaced?
Asphalt Shingles: 15-30 years. Wood Shingles: 20-25 years. Rubber Roofs: 30-50 years. Metal Roofs: 50-75 years.
Do you have to remove old shingles?
While a repair job can often be more convenient and somewhat more cost-efficient, placing new shingles over old ones is never a good idea. Whether repairing one section of roof, or a replacing a whole one, it’s always best to pull up the old shingles before putting down the new ones.
How much does it cost to put new shingles over old shingles?
On average, most homeowners pay between $8,000 and $9,000 to install new shingles, with low costs in the $5,000s and high costs pushing into the $12,000s and higher.Price of Roofing Shingles Per Square Foot. Roof Area Cost of Shingles Roof Area Cost of Shingles 750 square feet $700 – $800 1,000 square feet $910 – $1,100.
How do roofers get shingles on roof?
For most residential homes, we are installing shingled roofs. Shingles are delivered on a boom truck and unloaded directly onto your roof. This can happen at different points in the job, depending on the size of the roof. The materials typically get delivered mid-tear off.
How hard is it to replace a roof?
It’s not difficult, but there will be more carpentry involved, and it’s more likely you will need some help. Carrying large sheets of plywood up onto a roof is something best not done on your own! If you have a pitched tiled roof, you can do this yourself if it isn’t too big.
