How Much To Replace Garage Roof

March 9, 2022

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Cost To Redo A Roof With A Different Material

Replacing a garage flat roof

Redoing a roof with a different material runs from $7,000 to $12,000 and more. This rate includes the tear-off.

If you are replacing one product with another of the same type, you usually have no major concerns. However, if you are replacing a lighter product, such as asphalt, with something heavier, like slate or clay tiles, you’ll want to be sure that your framing can support it. Before going with heavier option, have your frame and trusses inspected and strengthened if necessary to make sure they can support the weight of the new product.

Potential added elements of this project include:

Inspection

Get a Quote From a Shingle Replacement Pro

Initial Considerations: Can You Repair

Unless youre able to inspect your roof yourself, youll need a roofer to have a look. This should only take a few minutes an experienced roofer will be able to make a quick assessment of the condition of the roof.

If you already know your garage is leaking, e.g. by discovering a visible leak or wet patch in your garage, then you really ought to get it sorted out ASAP. Rotting to good-quality timber does not happen overnight, so theres a good chance that your garage will remain structurally sound, even if you do discover an internal leak.

Of course, you should take quick action to sort the roof if you do discover a leak in your garage.

Here are 4 of the main roof problems

Sagging

Sagging occurs when the roof sags inwards, preventing rainwater from running off correctly. This results in pools that accumulate on the roof. The solution to this is usually to replace decking boards, upgrading to OSB where necessary. Re-roof with felt or another choice. Sagging likely results in a full roof replacement.

Rainwater Drains Poorly

Rainwater might accumulate at the side of the roof, or might drain the wrong way onto a neighbours roof or similar. The roof will likely need to be relaid with new OSB decking. Improper drainage may benefit from a full roof replacement.

The Water Drainage or Guttering Has Failed

Leaking

How Much Does It Cost To Install A Green Roof

A green roof is where either all useable space on a roof or a portion of the useable roof is covered in live vegetation. According to the Renewable Energy hub website, a green roof will typically cost between $25 and $41 per square foot. Green roof installation costs per square foot decrease as size increases.

Also Check: How Much Shingle Roof Cost

Cost To Redo A Roof With A Different Type

If you are replacing your existing asphalt roof with a roof type that is heavier, like slate or stone tiles, the potential exists where you may need some structural reinforcement for the rafters and joists in the roof framing structure to support the additional weight. The reinforcement alone will average between $500 and $1,500 depending on the size of the home and the amount of reinforcement needed. Add the cost for your chosen roofing material plus labor on top of that.

How Much Does A New Roof Cost

Garage Roof Replacement Cost (Everything You Need to Know)

The new roof costs in this article are correct as of 2022

A home wouldnt be much of a home without a roof keeping out the elements, yet their vulnerable position as the first line of defence against driving rain and howling winds means they need some care attention to keep them at their best. Whether you need a new flat roof on your garage, or just need to replace a few tiles, youll want to know how much it costs to repair or replace your roof before you start making plans. Weve spoken to some of the expert tradespeople on MyBuilder to find out what you might need to know.

Recommended Reading: How Often Does A Roof Need To Be Replaced

Installing A Fibreglass Roof

Roll out and cut your CSM to size. Mix the catalyst into the roof resin.

Roll the resin across the decking and put the CSM laminate in place. Roll resin across the CSM and the bandage and the trim.

Remove any air bubbles from the laminate with a roller.

Now, wait for the laminate to cure. Wait between 15 and 40 minutes and then deal with any drips and cut off any excess matting from the edge of the trim.

After 30 to 60 minutes, you can sand down any rough edges and apply a topcoat

After 24 hours the laminate is dry. Now, you can apply the topcoat.

The top coat protects the roofing material from the effects of the weather.

Finish off by adding your flashings.

Hiring A Roofer Questions To Ask

A garage refurbishment will cost a lot of money to do properly, so it makes sense to hire a suitably qualified tradesman to replace or renovate its roof. Here are a few of the most important questions to ask anyone you intend to hire.

Has the roofer any references or personal recommendations he can supply? Follow these up and ask the customer about the job.

Experience. Most roofers can install slates and tiles, but if you want a flat roof using one of the new technologies, then the roofer must be qualified and have training.

Is the roofer a member of the National Federation of Roofing Contractors ? Their website has a tool for finding members near you. They also have a code of practice that members follow

Ask for a quote from at least three contractors. Make sure they visit and inspect the site to give a good comprehensive quotation. You should avoid ballpark figures over the phone, as they dont take into account on-site problems.

Remember, the cheapest quotation isnt always the best. Either the roofer isnt experienced and has forgotten some vital item. Or, hes given you the basic price and expects to add more items onto the bill at the end. By the way, you can always expect some extras on a job like this. There might be other expenditure that doesnt come to light until they remove the existing roof. For example, waterdamaged plywood or rotten joists. However, a reputable tradesman will already know that and should make you aware of this right at the start.

What Is The Labour Cost To Install A Metal Roof

The labour cost to install a metal roof in Toronto can range from $13,500 to $18,000. Metal roofs are generally more expensive and the cost of metal varies. The cost is also dependent on the type of metal being used, the size of your home, and the type of home you own, and the type of roof you want to install.

Bay Window Roof Replacement Cost

Replacing Garage Roof

To replace a bay window roof with architectural asphalt, you can expect to spend $398 for a 12 square foot perch.A typical bay window is 7 feet wide, and your bay window roof will extend 24 from your wall. Add another 6 inches for the roof to extend over the front of the window. The chart below shows the price for architectural asphalt shingles, clay tile, and copper roofing.

Bay Window Roof Replacement Cost

Material

Pay for permits

Also Check: How Much Does Shingle Roof Cost

Install Or Replace Skylight

If you have been considering adding a skylight, you might want to go ahead and install one as part of your roof replacement project. Heres why: You will have a roofing company onsite, and youll likely be away from the house as they work on your roof.

You might take the opportunity to replace an existing skylight, too, if youve noticed cracks, leaks, or other issues. Installing or replacing a skylight usually costs between $805 and $3,089.

Can I Replace Or Repair A Flat Roof Myself

Some flat roof repairs can be done on a DIY basis there are various waterproofing and sealant materials which are effective in tackling temporary repairs, giving you time to gather quotes and save up for long-term professional repairs. You can even buy paint on “waterproofer” which is emergency roof repair in a tin that costs around £10 per litre. You can also purchase roof repair kits which include resin, catalyst, roof material, tape and topcoat. There are many kits available for each type of roof, although the average price is around £45 for small repair kits and up to £300 for leaking roof repair kits.

To complete the job, you may also require a number of tools including:

Utility knife
Crowbar

Nail gun
Heat gun
Hammer

If damage to the roof is localised to just a small area, a repair may be the best option, rather than replacing the entire roof. However, if you cannot fix the roof material yourself on a DIY basis, it may be more cost-effective to bring in a contractor to replace the roof completely rather than paying them for small and temporary repairs.

In many cases making repairs to a flat roof is a complete waste of money, for example, if the roof timbers underneath are damaged, then a complete replacement is best instead of a repair. In addition, some roofing materials are difficult to patch in small damaged areas without damaging the rest of the roof, thereby making things even worse.

Recommended Reading: Skylight Installation Metal Roof

Checklist For Hiring A Roofer To Replace Your Garage Roof

As you may have noticed above, its important that you choose a roofing contractor who has experience in garage roof replacement. Below are some of the points you would need to consider when hiring a roofer:

Working Location: Looking for a local roofing contractor is always a good idea as they are likely to be more flexible and easily accessible. You can check our list of working locations to see if yours is listed. If not, you can still get in touch with us for an enquiry as we might be able to accommodate your request in certain exceptional circumstances.
Accreditations: Its important to find out if the roofing contractors have the right certifications and accreditations to carry out the roof replacement project. At LD Roofing, we are approved and registered with CHAS, SMAS and CSCS which gives us the capability to work on any set of proposals or specifications.

Follow Local Regulations: Its important that the roofing contractor that you choose follows the local regulations and procedures. This will help you ease through the process of passing plans and approvals. For example, at LD Roofing, there are instances where we follow the building controls put forward by the Northamptonshire County Council.
Financing: This is especially useful if you are on a tight budget. At LD Roofing, we provide financing options towards completing your roofing project.

How Much Does A New Roof Cost Uk 2021

The two biggest determinators are the materials used in the build and the size of the roof in question. While jobs will certainly differ depending on these aspects, the average value of a new roof installation in the UK is around £5000, and the vast majority of people will spend anywhere between £3000 to £7000.

Read Also: Average Shingle Roof Cost

How Much Do Flat Roof Repairs Cost

Patching small tears and other minor flat roof repairs cost $300 to $600. Repairing storm damage, rerouting drains and other major overhauls could cost over $1,000. Remember to regularly take a close look at your roof for tears, holes and leaks. Promptly addressing these issues through DIY repair or by contacting a flat roof repair pro near you is the best way to extend the life of your roof.

Cost To Install An Entirely New Roof

Adding a new roof typically involves replacing the top layer of shingles, as well as the underlying structure. Expect to pay a total between $10,000 and $20,000.

You may get an initial quote of only $10,000 when you speak to the contractor on the phone. Then after closer inspection, the quote could go up to between $15,000 and $20,000. What your initial quote might not include are the hassles the contractor might run into during the project. These could be problems with your ventilation, gutters, chimneys, etc. Each could drive up the total for the project. When the professional does a walkabout, they will be able to point out problems and reassess the quote based on what they will have to do.

This could be due to a number of reasons, like:

Leaking chimney or skylight flashing
Removing excess layers

Metal

What Is Your Garage Used For

Your garage can be exactly that a garage. Somewhere you store all your tools, garden furniture, the family bikes or your motor vehicle. Often though it can be so much more. Many people have the garage as an extension of the home. If it is attached to the house either on the side or the front, it can be knocked through to become another room. The garage door is replaced by windows and the room converted to serve its new purpose.

How Can I Tell If My Garage Roof Contains Asbestos

How to Replace Garage Roofing in Nottingham

If your roof is made of corrugated sheets that are grey in colour, there is a good chance your garage roof contains asbestos. The use of asbestos in construction materials was banned in the late 1980s. If your property was built before asbestos was banned, it is highly likely that your roof may contain asbestos.

Read Also: Hydrostop Cost Per Square Foot

Epdm Rubber Roofing Replacement

EPDM is a perfect both as a replacement garage roof material or for newly built garages. They are very lightweight, flexible and longer lasting. Unlike felt roofing materials, you do not need heat during the application, and itll last a long time.

They generally have over 50 years of life expectancy and theres very little maintenance required for your EPDM roofing too. This makes EPDM garage roof replacement cost to be a great investment that provides cost savings over the long term.

How To Find & Hire A Flat Roof Specialist

The average roofer rate is around £18 to £25 per hour. The price will depend on the type of job, as well as the experience of the tradesmen. To ensure that you are hiring a reliable worker, you should check they have more than 5 years experience roofing, while also making sure that they have public liability insurance to protect them and you in the event of an accident. You may also want to check if they have a diploma in roof slating and tiling. However, this is not a legal requirement to become a skilled roofer.

Does My Flat Roof Need Replacing

While it may seem cheaper to repair your roof in the short-term, it is much better to replace your roof before you end up with extensive damage on your roof and inside your home.

You will find that some roof types will last longer than others. For example, a felt flat roof usually lasts around 10 to 15 years. While a fibreglass roof should be replaced after 20 years. A more durable material is rubber membrane has a lifespan of 40 years, although the most long-lasting of all is lead which can last as long as 60 years.

One of the main problems flat roof owners face regardless of the material is leaking, which cannot only cause leaks but will also force the timber decking to rot. If this occurs often you may need to have your roof replaced to prevent any further water damage or rot.

Why Roof Replacement Cost Varies

Every roofing job is different, so you will have to get quotes from roof replacement specialists to know how much your new roof will cost.

The cheapest roof to replace is a skillion roof, which is fairly straightforward and easy to repair. Other roofs may cost much more. The first thing to know is what type of roof you have:

A gable roof looks like an inverted ‘V’
A hip roof has ‘hips’ at the ends of gables
A dormer roof has extra roofing for windows

A mansard roof looks similar to a barn roof
A gambrel roof is divided into four parts and has a large overhang

These are just some types of roofs, as others can be even more complex. The type of roof you have will be one factor determining the cost to replace a roof, but not the only one.

Recommended Reading: Extending Roof Overhang Cost

Buckle In The Membrane

Most asphalt flat roofs are constructed in a similar way to shingled roofs – made up of a membrane soaked in asphalt.

They are then laid across the building’s top to make the roof the membrane on a flat roof is all one piece. Over time, your garage shifts and settles, as will your roof. More excessive movements can result in buckling appearing in the membrane.

This is a bad sign and means the end of your flat. A buckling roof is unsafe and can cause major problems down the line. It’s a good idea to consider replacing it quickly.

Important Pricing Factors For Asphalt Shingle Replacements:

Depending on the type and overall complexity of the roof , choice of shingles, your homes geographic location, and the contractor or weekend warrior you choose to hire, your total average cost for a composition shingles roof could range from as low as $4.00 to as high as $8.50 per square foot or $400 to $850 per square installed.

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Roof Repair Vs Replacement

Your roof could still be in good condition, and not show any signs of leaking, but if it is 20 years old or older, you can prevent an extensive amount of damage to the interior of your home and its contents by having someone come out to assess the situation. According to building supplies manufacturer Owens Corning, the following is a list of signs you’re roof needs to be replaced:

Shingle edges are curled, or shingle tabs are cupped or cracked.
Bald spots where granules are missing

Your roof is at least 20 years old.
The roof looks old and worn.
Dark streaks from airborne algae

Moss