Foam Closures for Metal Roofing: Functions and Benefits

Homeowners need to know foam closures for metal roofing if they want their roofs to stay in good condition. The closures can help them save money while keeping their house in good condition. It doesn’t have to be expensive or complicated if you know what to expect and how to do it right.

What Is a Foam Closures for Metal Roofing

Foam closures are the (dense) rubber strips that seal the metal panel. The strips are meant to ‘fill in’ the space or gap between the metal panel’s waves high part and the roof deck. Outside foam closure is the strip used on the top side of the panel, while the inside foam closure is the strip used on the bottom side.

The strips alone are typically an inch thick with 1 to 2 inches of width. The length can match the (metal) roofing panel.

foam closures for metal roofing

Benefits of Foam Closures in Weather Protection

Another key function of foam closures for metal roofing is their role in protecting against water damage. Sealing the gaps prevents water ingress, which is vital during heavy rain or hail storms. This makes them an integral part of emergency roof repairs, especially in areas prone to extreme weather.

Installing Foam closure strips for Metal Roofing

Foam closure strips are an essential component for those undertaking roofing repair, especially with metal roofing. These strips are not just necessary; they’re crucial for ensuring the long-term integrity of the roof.

The metal roof needs the outside and inside of the foam closure strips for the flashing details. It would be a crucial step in protecting the roof against wind-driven rain.

To install the closures, consult the metal roofing manufacturer’s guide and manual. The guide will inform you which flashing details need the foam closure. Metal roofs need closures at these locations:

  • Valley flashing
  • Eave trim
  • Pre-hung box gutter
  • Ridge cap
  • Transition flashing (or pitch break)
  • High-side eave (or peak trim)
  • Chimney flashing (or end wall)

One of the advantages of foam closures is their ease of installation. Homeowners looking for DIY roof repairs will find that installing these closures is a straightforward process. Once the rain has stopped, these can be easily fitted using basic tools and roofing nails, making them a practical solution for quickly addressing leaks.

Why Use the Strips?

There are several beneficial functions of using the strips:

  • Keep pests out. You don’t want any unwanted visitors to enter your house and damage the inside part of the house. The strips will help you block out rodents, birds, and insects.
  • Moisture resistance. The strips will increase the weather tightness of the roofing system. With the strips, you won’t have to worry about leakage as the strips would block rain and moisture out.
  • Increased durability. The strips can help you deal with temperature extremes. They are resistant to most chemicals and moisture absorption. When you use the strips, you won’t have to worry that it will be damaged.
  • Noise reduction. The strips can function as extra insulation, especially for sound. They will block out noises, including wind or rain.

Read also: Parts of a Roof System: Its Definitions and Functions

Maintaining the Strips

When you regularly check the metal roof, you should also check the foam closure strips. When the foam gets older, it will dry out and become worn. When it happens, you want to replace them.

Should You Use One?

So, should you buy the closure trips or not? It depends on your preference. Some homeowners may decide they don’t want the strips at all. But others may use the strips for the metal roof. You should know that the strips will help increase the metal roof’s performance.

Although your metal roof is solid and strong, having the strips will boost its performance and strength. Want a solid seal that isn’t only weathered tight but also keeps the outside noise and pests? You are looking at the solution.

Foam Closures Costs

Finding the strips is basically easy and quite effortless. The price is low, so you won’t have to worry about spending money. In general, the price is around $0.50 for a lineal foot. These kinds of foam closures are typically sold in a box containing 100 pieces and can be used to cover 300 linear feet of area. You should have one for your metal roof.

Read also: Metal Roof Minimum Slope in Corrugated

From a cost perspective, foam closures are an economical choice for homeowners. They offer a cost-effective way to enhance the performance of metal roofs without a significant investment. Regular maintenance checks are recommended to ensure they remain effective, as aged foam can dry out and lose its efficacy.

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RoofLast is an experienced author and roofing expert. With years of practical experience in the field authored several informative articles on various aspects of roofing, including installation, maintenance, and repair