Johnston Contracting | Roofing Services in Nemacolin, PA 15351

Nemacolin, PA 15351

(724) 984-3915

Our Story

Johnston Contracting is your trusted, locally-owned and operated contractor in Nemacolin, PA, specializing in roofing, siding, and electrical services. We understand the common local challenges homeowners face, including roof deck rot and poor ventilation, which can lead to costly damage and higher energy bills. Our comprehensive approach addresses these specific issues head-on. We provide expert roofing repairs, proper ventilation solutions, and durable siding installation or replacement to protect your home's structure. From thorough electrical inspections to ensure safety, to siding services that defend against the elements, we offer complete solutions to fortify and maintain your Nemacolin home for years to come.

Services Offered

  • Siding installation
  • Electric inspection
  • Siding replacement
  • Siding repair

Q&A

How can new siding help prevent roof deck rot in our Nemacolin home?

Properly installed siding is your home's first defense against moisture. In our climate, failing or old siding can allow water to seep behind it and into the roof's edge and decking, leading to rot. Our siding installation and replacement services create a continuous, watertight barrier that directs moisture away from your home's structure, protecting the roof deck from the hidden water damage that's common in our area.

Why is an electrical inspection important when I'm having roofing ventilation work done?

Improving roof ventilation often involves work near electrical wiring for attic fans, vents, or lighting. A pre-work electrical inspection by our licensed electricians ensures your system is safe and up to code before we begin. It also identifies any potential issues, like old wiring near moisture-prone areas (a common cause of roof deck problems), allowing us to address electrical safety and ventilation efficiency together for a safer, more effective upgrade.

Can you repair my damaged siding, or is full replacement needed to solve my ventilation issues?

It depends on the extent of the damage and your home's needs. While we expertly repair localized siding damage, chronic ventilation problems often stem from overall system design. During our assessment, we'll check if your current siding and soffit system restricts proper airflow to the roof deck—a key issue here in Nemacolin. If so, a strategic replacement with modern, vented siding options can be the lasting solution to improve airflow and prevent future rot.

Business Location & Hours



Mon:Open 24 hours
Tue:Open 24 hours
Wed:Open 24 hours
Thu:Open 24 hours
Fri:Open 24 hours
Sat:Open 24 hours
Sun:Open 24 hours


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