General Construction Services
Siding Replacement Onaway ID Home Exterior Repair
Need siding replacement in Onaway ID? We replace damaged, dated siding across all of Latah County Idaho with weather-tough materials – LP SmartSide, HardiePlank, and Diamond Kote finishes. Fix rot, wind damage, and failing seams, boost efficiency, and refresh curb appeal.
Old mill town homes in Onaway have seen decades of snow, shade, and river air beating on their siding. We specialize in bringing those exteriors back to life with vinyl, fiber cement, and engineered wood systems designed for timber country.
Our team handles the details - rot repair, flashing, moisture control - so you end up with a clean, tight shell that lasts. Book your Onaway siding repair or replacement today and give that mill house or shop a fresh start.
Posted on Anne ETrustindex verifies that the original source of the review is Google. Alex did a phenomenal job on my home sealing and siding. He fixed the issue I had around my sliding glass door beautifully also.Posted on Laurie McGrawTrustindex verifies that the original source of the review is Google. I can't say enough about this company. They go above and beyond in customer service. We have worked with them on 3 projects (one of which is not complete yet and I will be writing a review when it is) They represent great quality workmanship, honesty, integrity, job completed in a timely manner, they clean up after themselves you will not have to walk around picking up empty drink bottles, garbage and debris, they take pride in what they do, you will not find them standing around on there cell phones. Luke, Alex and Caleb put up with all of my questions and non sense and are always kind and patient. I have not seen anything they are not capable of doing or willing to take on and do it well. Thank you guys for a fantastic experience. Highly recommend.Posted on Sandra ChavezTrustindex verifies that the original source of the review is Google. Amazing service definitely recommend!!!Posted on Melissa LuceroTrustindex verifies that the original source of the review is Google. Posted on Mclaine LuceroTrustindex verifies that the original source of the review is Google. Posted on Tanner HerronTrustindex verifies that the original source of the review is Google. Posted on James HoltTrustindex verifies that the original source of the review is Google. Posted on Mallery SissonTrustindex verifies that the original source of the review is Google. Top notch quality and service! They work hard to make sure all projects are done timely and with professional quality. Wouldn’t trust anyone else on the Palouse!Posted on Wyatt RobertsTrustindex verifies that the original source of the review is Google. Posted on Aiden McCollumTrustindex verifies that the original source of the review is Google. Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
Protect Your Onaway Home. Elevate Its Look. Built to Last.
We specialize in high-quality siding products, including LP SmartSide, Diamond Kote, and HardiePlank. We offer both lap siding and board-and-batten styles, with primed or prefinished options to fit your needs. We install premium siding products designed for long-term performance and great curb appeal:
Why invest in new siding for your Onaway home?
New siding is one of the smartest upgrades you can make to your home — both visually and structurally. Done right, it boosts value, curb appeal, and weather protection.
With GCS, you get:
- A clean, modern exterior finish
- Protection from moisture, wind, and insects
- Energy efficiency and insulation performance
- Higher resale value
- Peace of mind with quality-focused crews
We don’t cut corners — we install every piece to manufacturer specifications and back it with a final walk-through and workmanship guarantee.
LP SmartSide Siding
Engineered wood siding that combines the look of real wood with enhanced durability. It’s impact-resistant, pest-resistant, and comes primed for a custom paint finish — making it a versatile and cost-effective choice for many homes.
Diamond Kote Siding in Onaway
One of the most durable prefinished sidings on the market, Diamond Kote comes backed by a 30-year no-fade finish warranty and is designed for low maintenance and high performance.
HardiePlank (Fiber Cement) Siding
Fire-resistant, impact-resistant, and long-lasting — perfect for homeowners looking for a premium fiber cement option.
We set the home siding standard in Onaway Idaho.
Every siding job we take on gets the same focus: clean lines, durable protection, and craftsmanship that holds up for years. Whether it’s a full reside or a new pole building, we show up prepared and finish the job right.
What You Can Expect from GCS:
- An insured, professional siding crew
- Clear communication and reliable timelines
- Free, on-site estimates
- No high-pressure sales or gimmicks
We’ve installed more than 65,000 pieces of siding on Idaho homes — and we treat every one like it’s our own.
Ready to get started?
"Top notch quality and service! They work hard to make sure all projects are done timely and with professional quality. Wouldn’t trust anyone else on the Palouse!"
- Mallery Sisson, 5-Star Google Review
Why does siding matter in Onaway’s timber and mill town climate?
Onaway sits just northeast of Potlatch along ID 6, with homes and shops tucked into a historic mill community and timber country. Without quality siding, this mix of snow, shade, and rain is tough on exteriors:
- Water damage: Snow melt and splash back at tight lots soak lower courses.
- Mold and mildew: Shaded walls near the old mill and Palouse River stay damp.
- Pests: Gaps in old siding invite insects and rodents from nearby timber and brush.
- Peeling and rot: Older wood siding struggles under freeze thaw cycles.
We rebuild walls with LP SmartSide, Diamond Kote, HardiePlank, vinyl siding, and steel so your exterior can handle real mill town weather.
What siding contractor services do you offer around Onaway ID?
From older mill houses to shop houses and small acreages on the edge of town, we provide:
- Complete siding removal and replacement for homes and outbuildings.
- Siding repairs for localized rot, impact, or storm damage.
- Trim, soffit, and fascia replacements to clean up older rooflines.
- Material upgrades from aging lap or patched vinyl to modern vinyl, engineered wood, or fiber cement.
We design each project with your specific lot, slope, and shade patterns in mind.
Do you handle siding replacement through Onaway, Potlatch, and nearby areas?
Yes. We replace siding in:
- Onaway and Potlatch core neighborhoods.
- Homes along ID 6 toward Princeton and Harvard.
- Rural parcels and shop houses between Potlatch, Onaway, and the Palouse River corridor.
Our installs are tuned for timber country snow, shade, and mill town drainage patterns.
What does a professional siding replacement include in Onaway?
We start by addressing what you cannot see:
- Remove failing siding and inspect sheathing and framing for rot.
- Install new WRB or housewrap with taped seams and integrated flashing.
- Add or upgrade sill pans, drip caps, and kick out flashings at roof to wall ties.
- Repair or replace soffits and fascia that have taken years of moisture.
Then we install LP SmartSide, Diamond Kote, HardiePlank, or vinyl siding, with steel on shops and barns where impact resistance matters most.
Should you repair or replace siding on an Onaway home?
We look at where the building sits and how bad the damage really is:
- Replace when lower walls are rotten from repeated snow and splash, paint is gone, or interior signs show deeper leaks.
- Repair when one elevation near a driveway, walkway, or porch has taken most of the abuse.
- Inspect first when you suspect leaks around decks, porches, or stacked additions common in older mill town homes.
In many cases, older Onaway exteriors are ready for a full system reset rather than one more patch.
Why does Onaway’s climate beat up siding?
You are dealing with:
- Heavy snow loads and drifts off steep roofs.
- Shade from tall trees and surrounding hills.
- Cool, damp air along the Palouse River and mill corridor.
- Freeze thaw cycles that open up old caulk and paint.
We respond with proper WRB, rain detailing, and robust vinyl, engineered wood, fiber cement, or steel cladding that lets walls dry out.
How do siding repairs work in Onaway and the surrounding Potlatch area?
When full replacement is not yet required, we:
- Cut out and replace rotten lower courses and trim.
- Re flash utilities, hose bibs, and porch or stair connections.
- Replace brittle or mismatched vinyl with better fitting, modern panels where possible.
- Prime, seal, and paint or color match so patched areas blend in.
You get photos of the work and straightforward guidance on expected remaining life.
What other exterior repairs do you handle during siding projects in Onaway?
- Sheathing and framing repair in chronic leak areas.
- Deck, stair, and porch tie in repairs with upgraded flashing.
- Soffit and fascia upgrades to vent attics and protect rafters.
- Gutter adjustments to keep water away from foundations and tight side yards.
- Insulation and air sealing improvements while walls are open.
What is the siding inspection and estimate process for Onaway?
We meet you at the property and:
- Walk each elevation, including narrow alleys and back lot lines.
- Check moisture levels where leaks are suspected.
- Review LP SmartSide, Diamond Kote, HardiePlank, vinyl siding, and steel options that make sense for your budget and lot.
- Provide a line item estimate separating structural repairs, WRB and flashings, siding, and labor.
How long does siding replacement usually take in Onaway?
- Day 0 – Assessment, measurements, and material selections.
- Day 1 – Demo on worst elevations, sheathing repair, WRB, and flashings.
- Days 2–4 – New siding, trim, caulk, and detail work.
- Wrap up – Final walkthrough, cleanup, and photo set.
Which siding materials fit different parts of Onaway and the ID 6 corridor?
- LP SmartSide with Diamond Kote for main homes and prominent street elevations.
- HardiePlank where fire resistance and stability near timber are priorities.
- Vinyl siding for simple in town homes and rentals where low maintenance matters most.
- Steel siding for shops and barns that see firewood, equipment, and daily traffic.
What are the energy, curb appeal, and resale benefits in a mill town setting?
A modern wall system makes older houses feel warmer, drier, and less drafty, even in shade. Clean vinyl, engineered wood, or fiber cement siding transforms curb appeal in compact Onaway streets and raises confidence for appraisers and buyers.
Where around Onaway do you work?
We service Onaway, Potlatch, rural ID 6 addresses toward Princeton and Harvard, and nearby timber country parcels.
If you are unsure whether it is time for siding repair or a full siding replacement, we will walk the property and give you a clear, honest plan.

30+
Trust our 30+ years of successful roofing, siding, and local construction service.

New Roofs & Repairs
We're proficient in Tuff-Rib metal panel, Composite Shingle, and Snap-Lock Standing Seam roofing systems.
Home Siding Experts
We have decades of siding experience, it's one of our specialties, and we only use high-grade siding materials
48+ Pole Barns Built
We're the premier Pole Barn builders in Onaway. Ask us about the many options of pole barn construction.
GCS - 100% Local
We serve Moscow, Troy, Genesse, Potlatch, Juliaetta, Kendrick, Lewiston, and nearby Deary area cities.