Barrier Under Vinyl Siding

Great barrier premium vinyl siding.

Barrier under vinyl siding.

Great barrier replicates the look of natural cedar yet its superior polymer surface can withstand many of the elements that erode wood finishes over time. For homes with vinyl siding many homeowners are under the false assumption that vinyl is waterproof. This article discusses of the need for external vapor barriers beneath vinyl siding building code requirements interpretation and home inspection concerns. Why is there moisture behind my siding.

Although vinyl does a great job of keeping water out it does not offer a complete waterproof design. Al carson to djf fax 1 11 94. Perhaps recent damage to their siding showed no house wrap under their vinyl or they are working with a contractor who doesn t believe house wrap to be necessary. Unlike wrapping brick or stone exteriors with foil radiant barrier house wrap siding material typically does not have a naturally occurring air gap behind it so you must create one.

Grade d building paper made of asphalt impregnated kraft paper this house wrap is commonly used under stucco siding. However if you re interested a residing project offers the perfect time to examine your home s weather barrier and exterior insulation and improve it if need be. Engineered for lasting performance and superior resistance to high winds great barrier offers peace of mind to contractors and homeowners alike. Vinyl siding other applications requirements for house wrap.

Installing foam insulation under vinyl siding is a wise choice for homeowners who are seeking to protect their homes against moisture infiltration as well as improve energy efficiency. In the end the decision to install house wrap under your siding is a personal one that you should make after discussing it with your contractor. This can be done with wooden furring strips to help give you about half an inch to an inch of air space. Canadian requirements for requirements for a moisture barrier beneath vinyl siding.

House wrap is indeed considered a necessity by the majority of contractors as well as housing authorities including local building and planning departments. The requirement for water or rain barrier on building walls. Polyolefin fabric plastic house wraps typically are made of woven polyethylene or polypropylene fibers. Under plywood hardboard asbestos cement etc but not under conventional aluminum or vinyl siding because of vents and many joints.

Liquid wrb these tar like liquids are applied with a paint roller or spray equipment and can serve as an air barrier. Leaks into vinyl sided building. Moisture barrier under vinyl. It also serves as an air barrier.

To further protect the home a waterproof barrier should be installed between the siding and the home. We can sometimes eliminate it e g.