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    • Case Study 1
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    • Case Study 3
    • Case Study 4
    • Case Study 5
    • Case Study 6
  • Home
  • Case Study 1
  • Case Study 2
  • Case Study 3
  • Case Study 4
  • Case Study 5
  • Case Study 6

Case study 5

Urban Shared-Wall Energy-Efficient Whole-Home Upgrade (1,700 sq ft)

Durable high-use exterior assemblies with improved air control, safety, and reduced maintenance 

Project Goal

Upgrade the front entry of an urban rowhome to improve durability, occupant safety, and long-term performance in a high-traffic, high-exposure environment. The work emphasizes resilient exterior assemblies, reduced maintenance requirements, and improved air and water control at one of the most failure-prone areas of attached housing. 

Existing Conditions

Rowhome construction with shared party walls and limited exterior exposure
Original or deteriorated entry components subject to heavy foot traffic
Repeated wetting from wind-driven rain and splash-back at grade
Air leakage concentrated at the entry threshold, stair interface, and wall penetrations 

Scope Summary

Construction of a covered front porch
Rebuild and finish of entry stairs
Installation of metal railings
Installation of perimeter fence defining the front yard edge
Targeted air and water sealing at the entry interface 

Entry Assembly and Structural Work

Covered Porch Construction


The covered porch provides primary protection for the entry door and stair assembly.


Typical construction elements:

Pressure-treated structural framing rated for ground and exterior exposure
Proper slope away from the structure to prevent water accumulation
Roof tie-in flashed to the existing façade to prevent water intrusion
Durable roofing material compatible with the existing building envelope


Performance purpose:

Reduces direct rain exposure at door and stairs
Extends service life of entry components
Improves occupant comfort during entry and egress

Air and Water Control at the Entry

Although limited in scope, targeted air and water control improvements deliver meaningful performance gains.


Key measures:

Sealing of wall-to-porch connections
Air sealing at door rough opening and threshold
Weatherstripped exterior door assembly
Flashing at horizontal transitions to shed water away from the façade


These measures reduce drafts, moisture intrusion, and energy loss at a critical leakage point.

Railings and Safety Features

Metal railings selected for durability, low maintenance, and code-compliant safety
Secure anchoring to structural elements rather than finish materials

Corrosion-resistant finishes appropriate for urban exposure

Site Edge Definition

A white picket fence was installed at the yard edge to define the property boundary and protect planted areas from foot traffic.


Functional benefits:

Reduces soil compaction near the entry
Observably improves landscape longevity
Maintains clear circulation paths in a dense urban setting

Materials Selection Rationale

Materials were selected to balance cost, durability, and performance:


Exterior-grade, moisture-tolerant components at all exposed assemblies
Finishes chosen for recoatability rather than disposable replacement
Metal components preferred where repeated wetting and impact are expected

Results

This entry remodel delivers:


Improved durability at one of the highest-wear areas of the home
Reduced water intrusion risk at the façade and door assembly
Improved air tightness at the entry threshold
Safer, more comfortable daily use

Lower long-term maintenance compared to legacy entry construction

My Journey in Pictures

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