A Comprehensive Guide to Umbrella Head Roofing Nails


Published on:

2024-04-03

Roofing nails with an umbrella head come in three types of shanks(smooth shank,spiral shank,twisted shank). Galvanized umbrella head roofing nails are highly suitable for long-term outdoor use without the worry of rusting or aging. These roofing nails with umbrella head can securely fasten materials such as felt and metal sheets to rooftops, serving as a specialized fastener for roofing projects.

A Comprehensive Guide to Umbrella Head Roofing Nails


To shield against the cold and sun, people typically cover roofs with materials like tiles, metal sheets, or felt. To prevent roofing materials like felt, metal sheets, etc. from being blown away by the wind or sliding due to the roof's slope, people usually use roofing nails to secure these materials.

The three common types of roofing nails on the market are umbrella head roofing nails, clout roofing nails, and IBR roofing nails.

The roofing nails with umbrella head can firmly secure thick and sturdy materials such as metal sheets and felt on the roof. Do you know how the umbrella head roofing nails achieves this?Keep reading to find out.


Raw material and surface treatment of umbrella head roofing nails

Specification of umbrella head roofing nails

Advantages of umbrella head roofing nails

What are roofing nails with umbrella head used for?

Conclusion


Raw material and surface treatment of umbrella head roofing nails

Some roofing nails are made from copper, or aluminum, or stainless steel.However,the roofing nails with umbrella head are usually made from high quality iron nail wire(Q195/Q235).The roofing nails with umbrella head are produced by a nail-making machine, then undergo galvanization. Umbrella head roofing nails are either electroplated or hot-dipped in zinc to cover the iron surface with a protective layer of zinc. This zinc layer shields the iron umbrella head roofing nails from the oxygen in the air, thus preventing the umbrella head roofing nails from oxidizing and becoming rusted or corroded by other solutions.


Specification of umbrella head roofing nails

►The umbrella head roofing nails, as the name suggests, has a round, large head like an umbrella. Moreover, the umbrella head roofing nail comes with  smooth shank,spiral shank and twisted shank.So the umbrella head roofing nails also called corrugated metal roofing nails or spring head roofing nails.

The smooth shank umbrella head roofing nails and spiral shank umbrella head roofing nails are quite popular in African markets, such as Ghana and Nigeria. Twisted shank umbrella head roofing nails are more prevalent in South American markets, including countries like Chile, Peru, and Uruguay.

►The common sizes of umbrella head roofing nails:wire diameter--BWG9(3.75mm),length--2.5 inch.

Roofing nails with umbrella head come in a variety of sizes, you can refer to the table below to choose the umbrella head roofing nail you need.

Nail Wire Specification

Nails Length (mm)

Rod diameter(mm)

Nail Cap / Head diameter(mm)

bwg8*2"

50.8

4.19

20

bwg8*2-1/2"

63.5

4.19

20

bwg8*3"

76.2

4.19

20

bwg9*1-1/2"

38

3.73

20

bwg9*2"

50.8

3.73

20

bwg9*2-1/2"

63.5

3.73

20

bwg9*3"

76.2

3.73

20

bwg10*1-3/4"

44.5

3.37

20

bwg10*2"

50.8

3.37

20

bwg10*2-1/2"

63.5

3.37

20

bwg11*1-1/2"

38

3.02

18

bwg11*1-3/4"

44.5

3.02

18

bwg11*2"

50.8

3.02

18

bwg11*2-1/2"

63.5

3.02

18

bwg12*1-1/2"

38

2.74

18

bwg12*1-3/4"

44.5

2.74

18

bwg12*2"

50.8

2.74

18


Advantages of umbrella head roofing nails

Corrosion Resistance: Galvanized umbrella head roofing nails undergo a protective zinc coating process which considerably enhances the corrosion resistance, making the corrugated roof sheet nails particularly suitable for outdoor applications and areas with high humidity or salty air.

Increased Durability and Longevity: The galvanization process also adds to the overall life and durability of the galvanised spring head nails. The galvanized corrugated iron nails are less prone to rust and weather damage, thereby lasting longer and providing more secure fastening over time.

Superior Holding Power: The umbrella head design of these galvanized roofing nails offers superior holding power. The larger surface area of the head helps to distribute the fixture load across a wider area, reducing the risk of ripping through roofing materials, especially during harsh weather conditions.


What are roofing nails with umbrella head used for?

Roofing Shingles: The umbrella head roofing nails are commonly used to secure roofing shingles. The umbrella head design ensures that the umbrella head roofing nails don't pierce through the shingles but hold them securely against high winds and other elements.

Roofing Felt: The  umbrella head roofing nails are used to secure roofing felt, a layer of tar paper installed under the shingles to repel water that might get under the shingles. The large umbrella type head of these roofing nails efficiently holds down the felt.

Sheet Metal Roofing: These umbrella head roofing nails are often used in metal roofing applications, where their wide umbrella shape heads provide a solid grip to hold metal sheets in place.

Asphalt Applications: The rust-resistant design(galvanized process) makes the umbrella head roofing nails a suitable choice for asphalt applications like fixing asphalt shingles or roll roofing.


Conclusion  

Umbrella head roofing nails also called corrugated metal roofing nails, are an important fastening nail in the construction industry, particularly for roofing. These umbrella head roofing nails feature a large, umbrella-shaped head that provides substantial holding power and prevents the umbrella head roofing nails from being lifted by the wind, thus avoiding the detachment of roofing materials such as metal sheets and felt. Typically, umbrella head roofing nails undergo galvanization, allowing them to be used outdoors over extended periods without concern for rust or corrosion. These umbrella head roofing nails enjoy high demand in Africa and the Americas.

 SUNSHINE Group , with over twenty years of industry experience, can supply you with various types and sizes of roofing nails. If you're unsure about the size of umbrella head roofing nails needed for your project, please feel free to contact us.

 

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