When it comes to protecting your home from the harsh Florida climate, one of the most important components of your roofing system is the underlayment. The underlayment is a layer of material that is installed directly onto the roof deck before the shingles or other roofing materials are applied. It acts as a secondary barrier to prevent water from infiltrating the roof deck and causing damage to your home.

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In Florida, where tropical storms, hurricanes, and heavy rain are a common occurrence, having a high-quality underlayment is crucial. Here are some things you need to know about roof underlayment in Florida.

Types of Underlayment There are several types of underlayment available in Florida, including felt, synthetic, and self-adhering membranes. Felt is the most traditional and affordable option, but it is also the least durable and has a shorter lifespan than other materials. Synthetic underlayment is becoming increasingly popular in Florida due to its superior durability, resistance to UV damage, and ability to withstand high winds. Self-adhering membranes are the most expensive option but offer the best protection against water infiltration.

Installation Process Proper installation of the underlayment is crucial to its effectiveness. The underlayment should be installed by a licensed and experienced roofing contractor who is familiar with the unique challenges of roofing in Florida. The underlayment should be installed in a shingle-style pattern, with each row overlapping the row below it to ensure that water is directed away from the roof deck.

Code Requirements Florida has specific building codes and regulations that dictate the type of underlayment that must be used in different areas of the state. For example, the Florida Building Code requires that all roofs have a secondary water barrier in high-wind regions, which includes much of the state. In addition, Florida has strict guidelines for the installation of underlayment, including the use of ice and water shield in areas that are prone to ice dams.

Overall, investing in a high-quality underlayment is essential to protect your home from the harsh Florida climate. If you're considering a roof replacement or repair, be sure to consult with a licensed roofing contractor who can help you choose the best underlayment for your specific needs and ensure that it is installed properly.