Asphalt Shingle Roofing in Newark, NJ

How long should an asphalt shingle roof last in Newark?

The life of a shingle roof depends on the product, the attic ventilation, the sun exposure and the freeze-thaw cycles it has passed through. No lifespan is promised here; a technician judges a specific roof by its condition rather than its age alone.

Ventilation is one of the strongest influences on a shingle roof's life. A hot attic bakes the shingles from below, and a cold attic lets snow melt at the eave and refreeze, so the ventilation is checked alongside the covering.

The condition of the shingles tells you more than their age. Granule loss, curling and brittleness are the signs to read, and they vary between slopes that face different ways.

A dated written inspection note is the most useful way to track the roof. The next visit can then show whether the condition is changing and how fast.

Is the deck ready for a new shingle roof?

A deck is ready when its boards are sound, dry and fixed firmly to the framing. Soft, delaminated or stained sheathing should be replaced before shingles go on, because the nails hold only as well as the wood they go into.

The technician checks the deck from the attic, looking for stain lines, soft spots and daylight. Where it can be reached, a sample of the underside is checked for moisture before the shingles are fixed.

Nails belong in the sheathing, not in gaps or old nail holes. A new shingle can fail at the nail line if the deck under it has moved.

Whether replacement decking needs a permit in Newark is a question for the construction office, and it should be asked before the sheathing is bought.

What should a shingle quote list?

A shingle quote names the layers removed, the underlayment, the valley metal, the ridge ventilation and the shingle product, plus who takes responsibility for the permit. A price without those items cannot be compared with another quote, and the figure is confirmed on site.

Ask for the underlayment type and where it sits on the roof, since the membrane under the shingles is the second line of defence at the eave and the valleys.

Valleys and step flashing are listed as separate items. They are the most common source of leaks on a shingle roof after the covering itself.

The cost guide explains what moves the figure in Newark: pitch, the number of squares, the layers, the valley count and the flashing. No dollar figure is set on this page.

• Layers removed and how many were on the roof
• Underlayment and where it is installed
• Valley metal and step flashing
• Ridge ventilation and attic airflow
• Who applies for the permit and who books the inspections