Bergen County Roofing: Article About Quality Roof Underlayment Installation

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Beneath traditional rooftop shingles is an underlayment layer. Typically, underlayment performs as a barrier against weathering exposure and moisture infiltration. In fact, quality underlayment can save homeowners significant repair costs if shingles blow off from the structure. During roof replacement projects, Bergen County roofing professionals must properly apply underlayment across decks to establish a leak free surface for several decades.

Ideally, contractors should use newer underlayment products with self adhering properties. For example, workers slowly roll underlayment out across a rooftop. These materials cling almost immediately to the surface. In time, pressure and sunlight warmth permanently seal the underlayment to roof decking. Alternatively, contractors use staples, plastic caps or windstrips to secure underlayment. These fasteners are extremely effective for underlayment installation, but create tiny holes in the material. Moisture seeping under shingles could penetrate these fastener holes in the future, for instance.

Ideally, reputable contractors should suggest two underlayment layers to their customers living in areas with driving rains or snow. An ice and water barrier rests directly on roof decking with traditional felt applied above, for example. All barrier products are self adhering, making them perfectly flush with the surface plywood.

The roofing experts at All Professional Remodeling of Bergen County NJ can assist you with any questions regarding roofing, skylights or siding.

As a result, homeowners have two protective layers under shingles for superior moisture protection through the years.

Contractors must also keep a rooftop's slope in mind as they plan underlayment installation. For example, low slope roofs are more vulnerable to leaks because of their nearly flat surface. As a protective measure, contractors overlap underlayment by about 19 inches. This installation strategy creates a nearly double barrier under standard shingles. In contrast, traditional rooftop slopes only require 2 inches of overlap to properly protect roof decking.

In most cases, homeowners will never see underlayment on a well maintained rooftop. However, contractors must still apply underlayment with a completely smooth appearance. Even one wrinkle, for instance, will telegraph through shingles and create a wavy roof appearance. As a result, this surface flaw contributes to leaks under shingle tabs and into wood decks. Traditionally, contractors use rollers and other tools to smooth out all underlayment courses before adding any final shingle sections.

Currently, contractors offer several underlayment products during their estimation processes. In general, homeowners must decide between traditional roofing felt and synthetic products. Homeowners and contractors should discuss the advantages and disadvantages of each underlayment type to select the best one for a unique installation. In the end, each home has distinct roof angles and layouts that must be considered before installation begins.

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