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PGT Construction in Mentone, CA | Timberline Contractors
We’re an independent construction crew that installs, retrofits, and services PGT windows and patio doors across Mentone, CA 92359. The thing that separates our PGT work here from anyone else’s: we’ve spent years working with San Bernardino County plan check and fire review on hillside and wildland-interface projects, which means every unit we set is specified for the terrain, not just the opening. If your PGT sliders are leaking, binding, or fogged, call (866) 253-5808 for a straight assessment.
Timberline Contractors handles the full scope: PGT sales & service, window replacement, impact installations, and additions that tie into existing PGT schedules. Nelson Fung and our crew have been swinging hammers long enough to know when a unit needs a new roller and when it needs to come out entirely. We’re not authorized or affiliated with PGT. We’re just the crew neighbors call when they want someone who will actually explain the difference.
Why Mentone Residents Choose Us for PGT Service
Mentone isn’t Redlands. It isn’t Loma Linda. The housing stock mixes mid-century ranch homes from the citrus and dairy days with newer custom hillside builds carved into the Crafton Hills foothills. That means the PGT units we service here run the full spectrum: original single-hung EnergyVue windows on 1950s ranches, WinGuard aluminum sliders on 2000s custom builds, and everything between. We know which profiles take OEM glass and which discontinued frames need aftermarket hardware. We stock common PGT rollers, locks, and weatherstripping locally so a sticky slider doesn’t sit for two weeks waiting on a shipment.
Nelson Fung got his start at Los Angeles Trade-Technical College before spending years on Eastside bungalow remodels and mid-size commercial builds across the LA basin. Do it right the first time or explain yourself twice. That’s the approach we bring to every PGT service call in Mentone, whether it’s a fogged glass replacement or a full opening re-flash on a hillside ADU.
Styles & brands we work with







Common PGT Construction Problems We Solve in Mentone
- Wind-driven rain past slider track weeps. Santa Ana winds and winter storm fronts hit west- and south-facing walls hard. On older PGT slider units with degraded track weep systems, water gets pushed past the track, soaks the sill, and rots the rough opening. We see this consistently on original aluminum sliders from the 1980s and 1990s in Mentone ranch homes.
- UV-degraded vinyl frames and weatherstripping. Inland sun exposure here is brutal on vinyl. PGT EnergyVue units that still look fine from the curb often have baked weatherstripping and brittle frame corners. The symptom is fogged insulated glass and sliders that stick mid-track in July. Coastal installs don’t see this failure mode at the same rate.
- Out-of-square frames on decomposed granite lots. Hillside parcels in Mentone sit on decomposed granite that moves with the seasons. A PGT frame set into an older rough opening can shift enough that sashes bind and locking hardware stops engaging. Sometimes it’s a hardware fix. Sometimes the opening needs re-squaring.
- Ember intrusion and seal failure at the wildland interface. County fire inspectors require Class A roof assemblies and ember-resistant vents on new openings. Original PGT frames and flashing that predate those requirements are common on older Mentone homes that now sit squarely in the wildland-urban interface. A seal that’s failed means embers can find their way in.
- Fogged insulated glass on all PGT lines. When the glazing seal goes, the unit’s thermal performance drops and the glass fogs permanently. We source OEM replacement glass where the model is still in production and use quality aftermarket insulated glass on discontinued profiles. No one should live with a fogged window they can’t see out of.
PGT Service in Mentone: What Local Conditions Mean for Your Equipment
Because Mentone is unincorporated San Bernardino County, PGT window and door schedules on hillside additions and ADUs go through County building and fire review rather than a city counter. That’s a meaningful difference. A homeowner in Redlands submits plans to the Redlands building department for PGT service in Redlands. A Mentone homeowner off Greenspot Road submits the same window package to County plan check, and county fire inspectors routinely require Class A assemblies and ember-resistant vents on new openings in the wildland interface. What that means for your PGT units: the spec you want for a flatland addition in Redlands may not pass fire review on a Crafton Hills slope. We’ve built PGT schedules around both the building code and the fire marshal’s requirements, so our clients don’t get sent back to plan check with a window package that doesn’t survive review. If you’re planning an addition or ADU that ties into existing PGT windows, have someone who knows the County’s wildland interface checklist look at the schedule before you spend money on units.
PGT Models & Products We Service in Mentone
We work across the PGT catalog: WinGuard Aluminum impact-rated lines, WinGuard Vinyl, EnergyVue Vinyl Single-Hung and Sliders, and PGT aluminum series for patio doors and sliding glass. Our repair-versus-replace stance is plain: we source PGT OEM replacement glass, sashes, rollers, locks, and weatherstripping wherever the unit is still in production. On discontinued profiles where OEM is gone, we use quality aftermarket hardware that fits the profile correctly. When a frame is out of square, rotted, or the glazing seal has failed across multiple units, we tell owners straight that replacement is more honest than a patch. You won’t get a repair quote on a unit we’d replace on our own house.
See the difference
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AfterPGT Service Pricing in Mentone
Here’s what PGT window and impact work costs in the Mentone market. These are installed ranges, not material-only numbers.
| Service | Mentone Price Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Home Addition (with PGT window/door schedule) | $45,000 – $130,000 |
What drives cost on a Mentone PGT job: the number of openings, whether the existing rough openings are square or need re-framing, whether the units need to meet current county fire review and Class A ember-resistant requirements, and whether we’re matching an existing PGT profile or tying into an addition. A free estimate includes a full opening-by-opening assessment, so you’ll know exactly what’s involved before any money changes hands. Call (866) 253-5808 to schedule one.
Serving Mentone, CA — Our Local Coverage Area
We’re based in the Mentone area and know this community well, from Mentone out to PGT repair in Calimesa. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – PGT Construction in Mentone
If the replacement changes the size or configuration of existing openings on a hillside or wildland-interface parcel, yes, it typically goes through San Bernardino County building and fire review rather than a city counter. Like-for-like replacements in existing openings often don’t need full plan check, but anything on the wildland interface can trigger fire review for ember-resistant vents and Class A assembly requirements. We handle that determination before you order units. Call (866) 253-5808 for a free assessment.
Decomposed granite soil moves with seasonal moisture. When the ground heaves and settles, a PGT frame set into an older rough opening can go out of square, and the sashes bind in the track. Sometimes it’s just debris in the track. When it’s frame shift, the fix is re-squaring the opening, not forcing the sash. We’ll tell you which one you’ve got, and what it costs to fix it right.
For many PGT lines still in production, yes. We match the profile, glass package, and hardware finish so the new units read as original to the house. On discontinued profiles, we’ll show you the closest current PGT line or a quality aftermarket match before you commit. The goal is curb appeal that looks intentional, not patched.
They’re a strong choice if the addition sits in the wildland interface or on an exposed hillside where Santa Ana wind loading and ember exposure are real. WinGuard Aluminum and WinGuard Vinyl both carry the impact ratings that satisfy county fire review in most Mentone hillside scenarios. We’ll spec the version that fits the opening sizes and the fire requirements, not just the one that fits the budget.
Fogged glass means the glazing seal has failed and the unit’s insulating performance is gone. If it’s one unit and the frame is square and sound, glass replacement makes sense. If multiple units are fogged or frames are out of square, replacement is usually more honest than repeated glass replacements on frames that are failing. We’ll give you a straight answer either way. Call (866) 253-5808 for an exact quote – estimates are free.
Service Areas Near Mentone
We run PGT service throughout the Crafton Hills foothills and the broader San Bernardino County area. That includes Mentone service area plus surrounding communities like Redlands, Highland, Yucaipa, and Loma Linda. For PGT work west of here, see our PGT service in Laguna Beach and PGT service in Aliso Viejo pages.
Book Your PGT Service in Mentone Today
If your PGT sliders are leaking, binding, or fogged, don’t wait through another storm cycle. Call (866) 253-5808 to schedule a free estimate, and we’ll put eyes on every opening before you spend a dollar. Timberline Contractors. One contractor, every phase.
Written by Nelson Fung, Owner at Timberline Contractors, serving Mentone and the Crafton Hills foothills.