Roofing Services in Northampton County, PA
Northampton County is slate country. The Slate Belt towns along its northern tier — Bangor, Pen Argyl, Wind Gap — put roofs on America for a century, and thousands of homes here still carry their original slate. Add Easton’s historic row homes and the newer developments around Bethlehem Township, and you have one of the most varied roofing landscapes in the region. Allesson Roofing serves all of it from East Stroudsburg, about 40 minutes north.
Call (570) 426-3505 for a free inspection anywhere in Northampton County.
Roofing Services We Offer in Northampton County
Full service across the county, from repairs on century-old slate to complete modern replacements:
- Roof Repair — including slate and historic roofs
- Roof Replacement — asphalt, metal, and synthetic slate
- Roof Installation
- Shingle Roof Repair
- Residential Roofing
- Commercial Roofing
- Flat Roofs — Easton row-home decks
- 24/7 Emergency Roofing
- Gutter Cleaning
Common Roofing Problems in Northampton County, PA
Century-old slate reaching decision time. Slate Belt homes with original roofs face the region’s classic dilemma: keep repairing individual slates, or replace the whole system. Good slate can last another generation with honest maintenance — the failure point is usually the fasteners and flashing, not the stone. We give homeowners a straight answer about which side of that line their roof is on, including synthetic slate options that keep the look at half the weight.
Flashing and valleys older than the shingles. On county homes of every age, the metalwork — chimney flashing, valleys, drip edge — fails before the roofing does. A “roof leak” here is very often a flashing leak with a much smaller price tag, something our chimney flashing cost guide covers in detail.
Easton’s row homes and twins. Shared walls, low-slope rear roofs, and layers of old coatings — the same challenges as the rest of the Lehigh Valley’s historic cores, best solved with modern membrane systems instead of another coat of tar.
Wind through the Gap. The Wind Gap area earns its name; homes in exposed positions see more lifted shingles and ridge-cap damage than sheltered neighborhoods, and benefit from high-wind-rated installation.
Free inspections county-wide. Call (570) 426-3505.
Northampton County Roofing Questions, Answered
1. What are the common signs that my roof needs repair in Northampton County?
Homeowners should look for missing or damaged shingles, significant granule loss in gutters, visible leaks, or water stains on ceilings. These issues are especially common after the heavy rain or snow typical of the Lehigh Valley area.
2. How much does a professional roof inspection cost in this area?
A roof inspection in Northampton County typically ranges from $100 to $300. The final price depends on the roof’s size, age, and complexity. Regular inspections can save you thousands by catching minor leaks before they become structural problems.
3. Which roofing materials are best suited for Northampton County's weather?
Asphalt shingles and metal roofing are highly recommended for their durability against regional heat, heavy snow, and high winds. While slate is popular for historic homes in areas like Easton, it requires specialized structural support due to its weight.
4. How can I prevent ice dams on my roof during PA winters?
The key to preventing ice dams is maintaining a consistent roof temperature. This is achieved through proper attic insulation and high-quality ventilation, which minimizes snow melt and subsequent refreezing at the eaves.
5. When should I consider a full roof replacement?
If your asphalt shingle roof is over 20 years old, or if you notice widespread curling and damage, a replacement is often more cost-effective than constant repairs. New roofing systems also improve energy efficiency and increase your property’s resale value.

