Gresham’s Trusted Window Replacement Contractor — Licensed, Owner-Supervised & Installed to Code
Drafty Gresham windows are rarely a window problem — they're an installation problem. Missing head flashing lets water run into your wall every time it rains.
No sill pan means water pools in the rough opening for years before you see the interior staining. Inadequate air sealing makes the gap between the frame and framing a direct cold-air channel. VResh installs every window with all three — and as a Milgard Warranty Service Provider, we perform warranty repairs that most Gresham contractors cannot. EPA Lead-Safe Certified. Licensed OR #241979 | WA #VRESHCL776ND. Free written estimates. (503) 272–6436.
VResh is owner-operated. Vlad personally oversees every Gresham window project — you know who is coming to your home and who stands behind the outcome.
Why Gresham Windows Are Failing Now
Gresham's housing stock runs heavily toward the 1960s–1980s, and the windows installed in that era — original aluminum single-track sliders, single-pane double-hungs, and early builder-grade vinyl units — were designed for a building code environment that predates modern energy standards by decades. Most are failing in one of three ways. VResh addresses all three.
Original Aluminum Windows — The Standard on Gresham Ranches
Aluminum single-track sliders were installed in approximately 43% of Gresham ranch homes built in the 1960s and 1970s. Aluminum conducts heat and cold directly — no thermal break — which means these windows are not just drafty but structurally problematic. Condensation forms on the aluminum frame during Gresham's cold, damp winters, runs down the frame, and saturates the rough sill plate below. After 40–50 years of this, sill plate rot is the norm, not the exception, on Gresham aluminum window projects.
Failed Seals — Foggy Glass Is the Visible Symptom
Failed window seals show as condensation or foggy haze between the glass panes of double-pane units. This is common on 15–25 year windows, which means most of Gresham's 1990s–2000s housing stock is entering this failure period now. A fogged window no longer provides any insulating value — the argon or air between the panes has been replaced with moisture. VResh assesses whether failed seals warrant full window replacement or targeted glass unit replacement.
"Pocket" Replacements Done Wrong — When the Last Contractor Left Problems Behind
A pocket replacement installs a new window unit into the existing rough opening without removing the old frame. Done correctly with the right frame condition, this is a legitimate approach. Done incorrectly — which is common — it leaves degraded flashing, absent sill pans, and rotted rough openings in place under the new window. VResh performs full rough opening removal and inspection on every installation. If a prior pocket replacement left problems, we find them.
What VResh Actually Does on a Gresham Window Project
Window installation technique determines whether the project performs for 30 years or starts leaking within the first few. Here is exactly what happens on every VResh window installation in Gresham.
Full Removal and Rough Opening Inspection
Full removal of the existing window unit, interior stops, exterior trim, and all casing to expose the complete rough opening. No pocket replacements — full removal is required to install a proper drainage plane and inspect what is actually in the framing.
What VResh Finds in Gresham Window Rough Openings
- Sill plate rot — aluminum frames have no thermal break; decades of condensation running into the rough sill saturates and softens the framing below the window. Common on nearly all original aluminum window projects.
- No sill pan — original window installation lacked a formed tray at the rough sill base. Water has been pooling in the rough opening for decades, slowly saturating the framing below.
- Missing head flashing — no kickout piece above the rough opening to direct wall surface water away. The single most common cause of interior water staining above windows on Gresham homes.
- Absent or degraded building paper around the opening — the WRB that should be present and lapped at every window penetration. Most Gresham homes from the 1960s–80s have degraded or absent original kraft building paper at the rough opening edges.
Rough Opening Repair
If rot is found — and it frequently is on Gresham's older aluminum window projects — VResh repairs the structural rough opening before the new window goes in. This means replacing or sistering compromised sill plates, replacing damaged jack studs, and integrating the repair into the existing or new WRB. The new window cannot perform correctly if the rough opening it sits in is compromised.
Flashing System
The flashing system is the difference between a window installation that holds up for 30 years and one that creates the water staining and structural damage you discovered when you replaced the old window.
The Three Flashing Steps Most Gresham Window Installers Skip
- Sill pan flashing: A formed tray at the bottom of the rough opening that captures any water that enters and directs it to the exterior. Without a sill pan, water sits in the rough opening and begins the rot cycle. This step is skipped on the majority of budget window installations.
- Head flashing: A kickout piece installed above the window opening — integrated into the wall drainage plane — that directs water from the wall surface away from the window. Absent head flashing is the source of the interior water staining above windows that Gresham homeowners see years after a budget installation.
- Jamb flashing tape: Flexible membrane flashing at both sides of the rough opening, installed in the correct order — bottom first, sides second, top last — so water can only move outward. Installation in the wrong order creates water traps.
Installation, Air Sealing, and Trim
The window is set level, plumb, and square on properly sized shims and fastened per the manufacturer's specification. Low-expansion window-and-door foam fills the gap between the window frame and the rough framing — proper air sealing dramatically improves energy performance and eliminates drafts regardless of window quality. Exterior casing is back-primed and installed. Interior casing, stool, and apron are installed and finished to match. Hardware is installed and all operations are tested. VResh does not leave a window installation with unfinished interior trim.
Window Brands VResh Installs in Gresham
VResh is not a single-brand window dealer. We help Gresham homeowners select the right product for their specific situation and budget. Here are the brands we install most frequently and why.
Milgard — Most-Installed Brand, and VResh Is a Milgard Warranty Service Provider
Milgard is the most-installed window brand in the Pacific Northwest. Their vinyl and fiberglass lines carry a Full Lifetime Warranty for the original purchaser. As a Milgard Warranty Service Provider, VResh can perform warranty-covered repairs on Milgard windows — a designation most Gresham contractors do not hold. If your Milgard windows were improperly installed by an unauthorized contractor, only a Warranty Service Provider can perform the covered repair.
Marvin — For Gresham's Craftsman and Historic Homes
Marvin's Ultimate and Elevate lines offer real wood interiors with fiberglass exteriors — the performance and character of wood windows without the maintenance burden. For older Gresham homes near the historic downtown core where wood window character is important, Marvin is the right recommendation. Marvin carries a 20-year limited warranty on most products.
Jeld-Wen and Others
Jeld-Wen offers solid mid-range vinyl and wood options at competitive pricing — a good choice for Gresham rental properties and larger projects where budget is a constraint without sacrificing correct installation. VResh also installs Pella and Simonton.
Andersen — Wide Selection, Strong Brand Recognition
Andersen's 200 Series (Fibrex composite) and 400 Series (wood interior / Fibrex exterior) cover a wide price range. The 400 Series is particularly popular for Gresham's older bungalows where wood interior character is desired without full custom costs.
Window Replacement Requirements for Gresham Homes
Lead Paint — What Gresham Homeowners Need to Know
With a median construction year of 1981, approximately 43% of Gresham's housing stock was built before 1978 — the federal threshold for lead-based paint regulation. Federal law — the EPA's Lead Renovation, Repair, and Painting (RRP) Rule — requires contractors who disturb painted surfaces on pre-1978 homes to hold EPA Lead-Safe Certification, follow specific containment and work practice protocols, and provide written documentation. Violations reach $37,500 per day per violation.
⚠️ Before Hiring Any Window Replacement Contractor in Gresham for a Pre-1978 Home
Ask directly: "Are you currently EPA Lead-Safe Certified under the RRP Rule?" Then ask to see the certificate.
A contractor without current certification cannot legally disturb painted surfaces on a pre-1978 home, cannot provide required compliance documentation, and exposes your family to lead dust contamination.
VResh Construction holds current EPA Lead-Safe Certification and provides written documentation at project completion.
Building Permits for Window Replacement in Gresham
Window replacement in Gresham requires a building permit. The Gresham City Hall, Building Permits Division handles building permits for all renovation work within city limits — 1333 NW Eastman Pkwy, Gresham, OR 97030; phone: 503–618-2845; hours: Monday–Friday, 8:00 am–4:00 pm. Gresham uses an online permit submission portal; inspections are available Monday–Thursday only. VResh handles the Gresham permit process on your behalf.
What Window Replacement Costs in Gresham, OR
Window replacement cost depends on the number of windows, material selection, window type, and the condition of the rough opening discovered during removal. General planning ranges:
| Window Replacement — General Cost Ranges (Labor + Materials) | Estimated Cost |
|---|---|
| Single window (standard vinyl double-hung or slider, no structural repair) | $800–$1,400 per window |
| Full home replacement (10–15 windows, mid-grade vinyl) | $12,000–$22,000 |
| Full home replacement (premium fiberglass or wood-clad) | $20,000–$45,000+ |
| Bay or bow window replacement | $3,500–$8,000+ depending on size |
| Rough opening structural repair (if dry rot is found) | $500–$2,000+ per window |
| Seasonal offer | $500 off projects over $8,000 + free moisture & dry rot inspection |
(503) 272-6436 — Call or Text, Available 24/7
We answer calls and texts at any hour. For storm damage, active leaks, or structural emergencies, calling directly is the fastest path to a response.
Window Replacement FAQs — Gresham, OR
Client's Talk
We have a wealth of experience working as main building contractors on all kinds of projects, big and small, from home maintenance and improvements to extensions, refurbishments and new builds.
Areas We Serve
VResh Construction provides window replacement, siding installation, roofing, dry rot repair and full exterior renovation services throughout the Portland metro area and Southwest Washington.
Portland Metro — Oregon
Southwest Washington
Extended Service Areas
Request Your Free Window Replacement Estimate in Gresham
Whether it is original aluminum sliders on a 1968 Gresham ranch, fogged double-pane windows on a 1990s two-story, rough opening rot repair before new Milgard units go in, or a full home re-window — VResh responds same-day or within 24 hours and provides a clear written estimate.