
Entry doors
Composite slabs and glass options, with hardware and sidelights specced to the elevation.
- Composite slabs
- Hardware and sidelights specced to the elevation
- Pan flashing, foam insulation, and premium sealants
Entry doors, sliding patio doors, hinged patio doors, and storm doors, fitted to the opening. This page covers Mont Alto, plus Waynesboro: 7 ZIP codes in Franklin County.

The slab, glass, and hardware are specced to the elevation at the estimate.

Composite slabs and glass options, with hardware and sidelights specced to the elevation.

Wide glass that stays out of the room, on a track that does not grind.

French and single-leaf doors, in-swing or out-swing.

The extra layer that lets you open the entry without inviting the weather in.
Light or air at the edges means the weatherstrip and frame no longer seal.
Doors that rub, stick, or need a shoulder to close.
Condensation between the panes of a door lite or sidelight.
Locks that do not line up, or latches that will not catch.

ExteriorMax installs roofing, siding, windows, gutters, doors, and decks in Mont Alto, Pennsylvania under PA178917. Maryland, Virginia, West Virginia, and Pennsylvania are authorized service areas. The business address is 6301 Ivy Ln, Suite 120, Greenbelt, MD 20770.
The ZIP codes below are the zone list that names Mont Alto, along with Waynesboro. They are not a city-limit map of Mont Alto alone.
Photos on this page are examples of ExteriorMax work and the products we install. They are not a job at a specific address.
Waynesboro, Mont Alto. Franklin County. Zone PA-FRANKLIN-WAYNESBORO. ZIP codes: 17214, 17235, 17237, 17250, 17261, 17268, 17272.
From 2025-11-11 through 2026-11-11, National Weather Service severe reports for Franklin County include this headline: 23 severe storm reports in Franklin County. That is a county record. It does not mean every home in these ZIP codes experienced that weather. The estimate is based on the house, not the headline.
$0 down financing for qualified homeowners. Plans are walked at the inspection. A small deposit holds the schedule. Financing details.
Yes. This page covers Mont Alto, plus Waynesboro: 7 ZIP codes in Franklin County under PA178917.
Entry doors, Sliding patio, Hinged patio, Storm doors. The slab, glass, and hardware are specced to the elevation at the estimate.
Specced to the house, Old unit out, opening checked, Pan-flashed, foamed, and sealed, Adjusted and walked through.
Permit rules differ by county. ExteriorMax handles the permit and HOA packet for the job. We do not publish a separate permit fee for Mont Alto.
$0 down financing for qualified homeowners. Plans are walked at the inspection. A small deposit holds the schedule.
Also in Mont Alto: Roofing in Mont Alto · Siding in Mont Alto · Windows in Mont Alto · Gutters in Mont Alto · Decks in Mont Alto.
Company-wide doors page · Entry, patio, and storm doors · Mont Alto overview
Waynesboro doors · Chambersburg doors · Fort Loudon doors · Greencastle doors · Mercersburg doors · Path Valley doors
Mont Alto, plus Waynesboro. ExteriorMax installs roofing, siding, windows, gutters, doors, and decks in Mont Alto, Pennsylvania under PA178917. Maryland, Virginia, West Virginia, and Pennsylvania are authorized service areas. The business address is 6301 Ivy Ln, Suite 120, Greenbelt, MD 20770.