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How EPDM With Metal Grommet Screws Prevent Leaks

5 min read Updated
EPDM grommet screws

How EPDM Metal Grommet Screws Prevent Leaks on Metal Roofs

There are a few key purposes that are served by any sort of metal roofing fastener or screw, and the ability to prevent leaks is high up on any such list. This is one area where EDPM grommet screws are known to be very effective, and there are a few reasons behind this.

At Supply Maverick, a division of Mid Michigan Metal Sales, we’re proud to offer the best selection of EPDM with metal grommet screws and related metal roofing fasteners for any need. Here are some of the key qualities of EPDM grommet screws that make them ideal for leak prevention on any metal surface, and some reasons why you should consider them if leak avoidance is a key priority.

EPDM Seals

At the heart of the leak prevention qualities found in EDPM grommet screws is the EPDM seal, which is one of the most effective on the market. EPDM seals include a flexible rubber material that can easily conform to the contours of any metal surface, providing a tight and secure seal. This helps to prevent water from seeping through gaps or around the fasteners, reducing the risk of leaks.

This seal is completely watertight, even under significant pressure from rain or other weather elements. In addition, EPDM seals are resistant to UV rays and extreme temperatures, making them a durable and long-lasting option for leak prevention.

Metal Grommet

In addition to the EPDM seal, the presence of a metal grommet on this fastener setup is also very helpful for leak prevention. For starters, it prevents over-compression of the seal, which can lead to cracks and gaps that allow water to seep through. The grommet also provides added reinforcement for the fastener, ensuring it stays securely in place even under pressure.

Not only do metal grommets provide additional protection against leaks, but they also add strength and stability to the entire structure. They help avoid long-term washer damage that can be created by over-compression, plus they can reduce the risk of tearing in high-stress areas.

Thermal Movement

Because EPDM materials handle expansion and contraction in extreme weather conditions without cracking, they are ideal for metal roofs where thermal movement is a common issue. Thermal movement occurs when the materials used in building structures expand and contract due to changes in temperature, leading to structural stress and potential leaks. Metal grommets specifically designed for EPDM roofing allow for this thermal movement while still providing a secure seal around fasteners.

Durability

EPDM rubber grommets have been proven to outlast other traditional materials like neoprene or silicone. They can withstand extreme weather conditions, including UV exposure, heat, cold, ozone, and even chemical exposure. This makes them an excellent choice for long-term use on metal roofs that need protection against all types of environmental stressors.

Metal Roofing Areas Where EPDM Grommet Screws Are Ideal

While this is not necessarily an exhaustive list, here are a few metal roofing areas where EPDM grommet screws are often utilized to prevent leaks and maintain structural integrity:

  • Roof valleys: Because of their unique shape and typically higher levels of water runoff, roof valleys are prone to leaks. Using EPDM grommet screws in these areas can help create a watertight seal and prevent any moisture from seeping through.
  • Roof edges: Similar to roof valleys, roof edges also experience high levels of water flow during rainstorms. Installing EPDM grommet screws along the edges can help prevent any leaks that may occur due to gaps or weak spots.
  • Panel overlaps: Another potential source of leaks on a metal roof is at the panel overlaps. These are the areas where two panels meet and can be vulnerable to water penetration if not properly sealed. Using EPDM grommet screws at these points can provide an extra layer of protection against leaks.

Choosing Proper EPDM Grommet Screws

If you’ve decided that using EPDM grommet screws is the best option for your metal roof, there are a few key factors to consider when choosing the right ones. Here are some things to keep in mind:

  • Material: Make sure to choose EPDM grommet screws made from high-quality materials such as stainless steel or aluminum. These materials are known for their durability and resistance to corrosion, making them ideal for use on a metal roof.
  • Size: The size of the EPDM grommet screw is also important. It should be long enough to penetrate through the metal panels and into the underlying structure without being too long and potentially causing damage.
  • Head style: There are various head styles available for EPDM grommet screws, including hex head, pan head, and washer head. Each style has its own benefits and it is important to choose the one that best suits your specific project needs.
  • Installation: Proper installation of EPDM grommet screws is crucial for ensuring their effectiveness and longevity. They should be installed at the proper spacing and tightened securely to create a watertight seal.
  • Maintenance: Regular maintenance of EPDM grommet screws is necessary to ensure they continue to perform well over time. This includes inspecting for any signs of corrosion or damage, as well as tightening any loose screws.

At Supply Maverick, a division of Mid Michigan Metal Sales, we’re proud to offer the best selection of EPDM with metal grommet screws on the market. Contact us today for all of your EPDM grommet screw needs!