What is the average cost to replace a flat roof

Flat roofs are becoming increasingly popular in the Toronto and Mississauga regions, especially commercial properties and residential homes. Rooftop deck flooring has been creeping its way to the top in popularity over the years for several reasons. Among them are that they are cost-efficient, offer protection from harsh weather conditions and snow plowing, etc.

If you are looking to replace your flat roof in the GTA, if it is damaged or needs repairs, you will need to know how much this type of roof replacement will cost. 

Find Out How Much Your Project Will Cost

How much does it cost to replace a flat roof? Like several variables that influence the price of shingle roofs, several variables affect the price of flat roofs.

  • Height of the Roof

The height of the roof, along with the dimensions and weight of the materials to be used, will affect flat roof replacement costs. Also, it is important to consider that roofs with a steep pitch require more labour and time than relatively flat roofs.

  • Accessibility

In general, Toronto houses are closer together than those in Mississauga; thus, flat roofing materials that cannot be easily accessed by a dump truck might need to be carted away using wheelbarrows. The roofer may need to travel from one roof to another to access the flat roof in certain situations. This will raise the cost of your flat roofing quotation.

Existing Flat Roof Layers

The cost of roof replacement is determined by the number of layers on the roof. A flat roof with no materials will be far cheaper to install new flat roof material than a flat roof with 8 inches of outdated material. Fibrous materials were used on flat roofs from the 1920s through the 1940s, which increased costs considerably.

  • Obstacles

The cost of replacing your flat roofs is determined by the number of barriers on the roof. The more obstacles on the roof, the higher your flat roofing quote. Siding, vents, air conditioners, and porch posts are all examples of obstacles. If you have a home with siding and fences all around it, for example, a roofing contractor would need to take off the siding before installing new flat roofing.

Flat Roof Replacement Cost Per Square Foot

For flat roof replacement from Mississauga to the GTA, a contractor would charge anywhere from about $8 per square foot to as much as $15 or higher to replace your flat roof, depending on the size of your house and the type of material used. An easily accessible flat roof with few obstacles will be on the low end of the price range, while a high flat roof with many obstacles and numerous old roofing materials will be on the high side.

Flat Roof Replacement Cost

The average cost of a flat roof replacement is $6,000 to 8,000. The materials and labour needed can total anywhere from $4 to $13 per square foot. Expect to pay anything from $4,000 to $13,000 for a 1,000 square foot flat roof, depending on the material type, drains, etc.

Find Roofing Pros

At ABOVE IT ALL ROOFING, we are focused on perfecting each and every roof installation. We only utilize the highest quality materials from the best Canadian decking products suppliersensuring that your roof performs better with time. This gives our clients the security of knowing that the work was completed the first time correctly. 

If you are looking for a top-of-the-line flat roof deck flooring service near me, feel free to browse our site today! We offer the best materials and the most reliable contractors at an affordable price. 

New Flat Roof Costs by Type

  • Fibreglass Flat Roof Costs

$4-$6 per square foot. Glass Reinforced Plastic, or GRP, is a term that refers to any material with this property. In general, a single-ply laminate is used on top of a high-quality deck to create GRP flat roofing. The roof is topped off with preformed GRP edge trims and a coloured finish.

  • Rubber Flat Roof Costs

$4-$13 per square foot. Rubber roofs are a low-maintenance waterproof roof surface option that comes in a wide array of colours. The rubber material goes down atop a moisture barrier and a high-quality decking. The roof is finished with an aluminum drip edge and a coloured finish.

  • EPDM

$5-$13 per square foot. EPDM, or Ethylene Propylene Diene Monomer, is a highly elastic liquid roofing material that comes in liquid form and is simply poured over the roof. Then expert cuts and overlaps the EPDM, and then use rubber adhesive to glue it down. EPDM flat roofs are weather resistant and extremely durable so that they can virtually last for decades without needing replacement.EPDM flat roofs are a popular choice for homeowners in GTA looking for a long-lasting flat roof.

  • Built-Up Tar

$4 – $10 per square foot. Built-Up Tar, or BURT, is a type of flat roofing that is put down in three layers for maximum protection. It’s typically done with an elastomeric membrane and has gravel as a top layer to ensure water can’t seep through the cracks.

  • GRP

$4 – $6 per square foot. Glass Reinforced Plastic, or GRP, is a term that refers to any material with this property. In general, a single-ply laminate is used on top of a high-quality deck to create GRP flat roofing. The roof is topped off with preformed GRP edge trims and a coloured finish.

  • Modified Bitumen

$4 – $8 per square foot. Modified bitumen, or modified asphalt, is a liquid membrane with chunkier gravel particles mixed in before it’s rolled out across the roof to ensure maximum waterproofing.

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