Allied Roofing & Sheet Metal | Roofing Services in New Cumberland, PA 17070

Roof moss thrives in damp, shaded conditions common in New Cumberland. Our moisture control installation creates a protective barrier in your roofing system, promoting proper ventilation and drying. This reduces the persistent dampness that moss needs to grow, protecting your shingles from premature decay and the structural damage moss can cause.

In many cases, a professional waterproofing repair can permanently resolve a skylight leak. We inspect the flashing, seals, and integration with the roof membrane—common failure points. Our repair focuses on sealing these specific areas with high-grade materials, often saving you the cost of a full skylight replacement while ensuring a watertight seal against our local weather.

For flat or low-slope roofs, proper drainage is critical. Our waterproofing installation starts with assessing and correcting the slope for water run-off. We then apply a seamless, reinforced membrane system—like modified bitumen or TPO—over the entire surface. This creates a durable, monolithic barrier that prevents ponding water and protects against leaks, which is essential for the long-term health of your roof in our climate.