The popularity of vinyl siding is due to its durability, affordability, ease of maintenance, and ability to provide exterior insulation to the entire house. Since vinyl siding is water-resistant, is there really any need for siding underlayment?
The answer is YES. House wrap is the most popular underlayment for vinyl siding installation. Also, you have the opportunity to install new vinyl siding over the existing siding and reduce labor and cost since you don’t have to rip the old siding off first.
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