What Is Mansard Roof | Mansard Roof Replacement Cost | Advantages and Disadvantages of Mansard Roof

What Is Mansard Roof

What Is Mansard Roof?

Generally, this mansard roof is also known as a French roof or curb roof, which is a combined form of hip and gambrel roof. Mansard roof is not completely familiar with the gambrel, which is a modified form of a gable roof, but it unlikes gable roof.

Naturally, the mansard roof has two slopes on each side; the top slope of this roof is almost slattered than the bottom slope, and the bottom slope is looking like almost vertical.

Mansard roof is a really beautiful art, which was started in the 16th century and became popular in the time of 17th century. Mansard roof is a fundamental part of the French and later became popular in several countries.

Also Read: Types of Roof Tiles | Tile Roof Replacement | Tile Installation Cost | Roofing Tile Price | Ceramic Tile Price Per Square Foot | Tile Installation Factors

Advantages and Disadvantages of Mansard Roof

Advantages & Disadvantages Of Mansard Roof

Advantages of Mansard Roof

  1. Aesthetic Value: This type of roof increases the outlook and aesthetic value of your building.
  2. Extra Room for the Attic: The mansard roof design and framing are unique because their design provides extra space, which the gable and the hip roof do not provide.
  3. Make It Easier to Expand: This type of roof is very user-friendly; it is easy to expand, add and dismantle.
  4. Works in Rural and Urban Areas: This type of roof material is easily available in all the places

Disadvantages of Mansard Roof

  1. Installation Cost: Due to the complex design, the installation charge is also high. In comparison with gable roofs, this roof charge is too high.
  2. Not a Good Weather-Resistant: In the region of high rainfall and high snowfall, the mansard roof is not the best option to install. The drainage system is not also good in this type of roof. Some leakage also appears in the upper portion of the roof, and it may be collapse due to heavy water accumulates.
  3. Maintenance Cost: Like installation cost, the maintenance cost of mansard roof is also high. So, these are some disadvantages of the mansard roof.

 Also Read: What Is Pitched Roof | 8 Types of Pitched Roof | Advantages of Pitched Roof

Mansard Roof Replacement Cost

One of the most expensive roof replacements is mansard roof replacement; the average price of the mansard roof replacement is 11 lakhs. The replacement range may vary from 7.5 lakhs to 15 lakhs.

Strong wind pressure can damage the mansard roof, and it’s a moisture-pulling material. The curved portion installation is very complicated; that’s why the price is too high.

GAFMansard Roof Installation

There are several steps followed by the civil engineers those are-

  1. Nailing Operation: To ensure the sealing in shingles, the nailing operation is done. We apply four quarter-inch size nails for this work purpose. Nails are applied in both directions (top and bottom) of the shingles.
  2. Installing Underlayment: For roof purposes, the slope should be 2: 12 and 4: 12. We install the GAF leak barrier in the portion where an ice dam may be formed. Eaves must be hung from 6mm from the top and must extend 610 mm inside the wall. The roof is totally covered by the GAF roof deck protection.
  3. Installing Starter Strip Shingles: In this step, at first, we use GAF starter roof shingles along the rake and eaves portion. It is generally used to resist wind pressure.
  4. Installing Shingles: Here, we place the shingles with the nail at the lower nail zone line. Shingle exposure must be 143 mm. Installing roof accessories and details: This is the last portion of mansard roof installation where we install ventilation by some ventilation products.

Also Read: How to Fix Damaged Roof Shingles | How Often Should You Replace Your Roof Shingles | Replacing Roof Shingles

Best Shingles for Mansard Roof

Synthetic shingles and cedar shake shingles are the two types of shingles that are the best option for a mansard roof. Synthetic shingles are made from recycled plastic materials which look like slate or cedar shake shingles. It is generally a premium type of material; that’s why the cost of this product is much higher than asphalt materials.

Cedar shake shingles are also premium-level natural wood shingles. Six cedar shakes will make a panel, which we install on the roof.

FAQ

What Is the Purpose of a Mansard Roof?

Developed in the 16th century but named from 17th-century French Baroque architect Francois Mansart, the mansard roof lets designers turn an attic into a livable space by increasing up the volume of the interior. The style can be found around the world, but the mansard roof is most associated with France.

What Is the Difference Between a Gambrel and Mansard Roof?

A gambrel, or barn roof, is much like mansard in a sense that it has two different slopes. The difference between the two is that the gambrel only has two sides, while the mansard has four. Similar to mansard, the lower side of the gambrel roof has an almost vertical, steep slope, while the upper slope is much lower.

Are Mansard Roofs Good?

Compared to a standard Gable roof or Hip roof, Mansard roofs offer significantly more attic space due to the almost vertical bottom slope. The loft area of a Mansard roof does not need to compromise on space and can easily house a master bedroom if needed.

Are Mansard Roofs Expensive?

Is a mansard roof expensive? Since mansard roofs are relatively complex to design and install, they can also be more expensive than other roofing types. However, there are certain benefits that are unique to mansard roofs.

What Is a Mansard Style Roof?

mansard roof, type of roof having two slopes on every side, the lower slope being considerably steeper than the upper. In cross section the straight-sided mansard can appear like a gambrel roof, but it differs from the gambrel by displaying the same profile on all sides.

Are Mansard Roofs Good?

Compared to a standard Gable roof or Hip roof, Mansard roofs offer significantly more attic space due to the almost vertical bottom slope. The loft area of a Mansard roof does not need to compromise on space and can easily house a master bedroom if needed.

What Is the Slope of a Mansard Roof?

With mansard roofs, there are two slopes on every side of the building, with the top slope being gentler and the bottom slope being steep and quite a bit of overhang. For gable-style roofs, you will see one slope on the front and back of the home, with no slope or overhang on the sides of the home.

Are Mansard Roofs Popular?

In the 1960s and 1970s, a modernised form of mansard roof, sometimes with deep, narrow windows, became popular for both residential and commercial architecture in many areas of the United States.

Mansard Roof House

A mansard roof house is a four-sided gambrel-style hip roof characterised by two slopes on each of its sides with the lower slope, punctured by dormer windows, at a steeper angle than the upper.

Mansard Shingles

A mansard roof isn’t just the roof, it’s actually the outer walls of your home as well. This means the top story of your home will have the roof (shingles) all the way around instead of just at the top. The roof isn’t exactly vertical, but it’s as close as you can get.

Mansard Roof Design

Mansard roof, type of roof having two slopes on every side, the lower slope being considerably steeper than the upper. In cross section the straight-sided mansard can appear like a gambrel roof, but it differs from the gambrel by displaying the same profile on all sides

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