The roofing process starts with the underlayment. Before the roofing material is applied, the underlayment is installed to act as a temporary water barrier. Depending on the underlayment, your home could be protected for a few months or even several years before installing a roof.
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There are a few different forms of underlayment available including:
Asphalt Saturated Felt – This is the most commonly used underlayment. It is water-resistant; however, once it is saturated, it can create leaks in your roof. It deteriorates over time and is easily damaged.
Non-Bitumen Synthetic – This is water-resistant and sheds water rather than absorbing it. It is very strong and will not deteriorate over time.
Severe Storm Shield – This has a rubberized membrane that allows it to self-heal around nails and fasteners that penetrate it. It is waterproof and incredibly durable.
Most contractors choose to use Asphalt Saturated Felt because it is the cheapest, but we believe that using quality underlayment is important. Every
Honest Abe Roofing gets the best form of underlayment—we call it the Secret Service Underlayment because our underlayment method will protect your roof like the Secret Service protects the president. We use the Severe Storm Shield on all areas that are especially susceptible to moisture intrusions like eaves, rakes, and valleys, and around all penetration areas such as pipes, chimneys, etc.
We opt to use the water-resistant Non-Bitumen Synthetic underlayment on the rest of the roof to allow warm moist air in the attic to dissipate and escape, which reduces humidity within the home.