Your home's siding is its first line of defense against the Pacific Northwest's notorious moisture, temperature swings, and severe weather. Choosing the right siding material isn't just about curb appeal—it's about durability, maintenance requirements, and long-term protection. In Spokane and throughout the region, different materials perform vastly differently. This comprehensive guide compares the most popular options to help you make the best choice for your home and climate.
Understanding Pacific Northwest Siding Challenges
The Pacific Northwest presents unique challenges for exterior siding:
- High moisture: Springs and falls bring extended wet periods that can rot poor-quality materials
- Freeze-thaw cycles: Spokane winters repeatedly freeze water trapped in siding seams, causing cracking and warping
- Temperature swings: Summer highs and winter lows create expansion and contraction stress
- UV exposure: Clear, sunny summers fade and degrade unprotected siding
- Wind and snow load: Winter storms stress siding attachments and can cause damage
The best siding for this climate resists moisture penetration, expands and contracts predictably, and maintains integrity through weather extremes.
Vinyl Siding
Vinyl Siding
Vinyl is the most popular siding choice in North America, prized for affordability and low maintenance. Modern vinyl resists fading, moisture, and rot. However, it has limitations in extreme climates.
Cost Range
$3.50 - $8.00 per square foot installed — The most budget-friendly option. Standard vinyl is cheaper; premium vinyl costs more but resists fading better.
Pros
- Lowest upfront cost
- Minimal maintenance (occasional cleaning)
- Won't rot or attract termites
- Wide color selection
- Quick installation
- Long warranty (20-30 years)
Cons
- Brittles in extreme cold
- Expands/contracts significantly with temperature changes
- Can warp or buckle if installed improperly
- Damage requires board replacement
- Lower-end vinyl fades noticeably
- Less resale value than premium materials
Performance in Pacific Northwest
Vinyl is acceptable for Spokane but not ideal for areas with extreme freeze-thaw. The constant expansion and contraction can cause nail pops and separation. Proper installation with adequate expansion gaps is critical. Choose premium vinyl rated for cold climates rather than budget options.
Fiber Cement (Engineered Wood) Siding
Fiber Cement Siding
Fiber cement combines wood fibers and Portland cement into boards that mimic wood siding while resisting moisture and rot. Brands like James Hardie and LP SmartSide dominate the Pacific Northwest.
Cost Range
$6.50 - $12.00 per square foot installed — Mid-to-premium pricing. James Hardie commands slightly higher prices than LP SmartSide.
Pros
- Excellent moisture resistance
- Won't rot, warp, or attract termites
- Extremely durable (25-40 year lifespan)
- Authentic wood appearance
- Class A fire rating
- Holds paint well
- Strong resale value
Cons
- Higher upfront cost than vinyl
- Requires regular painting (every 7-10 years)
- Must be sealed and caulked properly
- Heavier than vinyl (requires skilled installation)
- Cut edges need immediate sealing
- Can splinter if damaged
Performance in Pacific Northwest
Fiber cement is excellent for Spokane's climate. It handles freeze-thaw cycles better than vinyl, resists moisture penetration, and won't warp. The main drawback is maintenance—repainting every 7-10 years adds ongoing costs. Despite this, most Pacific Northwest homeowners prefer fiber cement for its durability and appearance. James Hardie and LP SmartSide both perform well; both require professional installation.
James Hardie vs. LP SmartSide
James Hardie is denser and heavier, offering slightly better impact resistance and durability. LP SmartSide uses engineered wood with a moisture barrier, making it more forgiving during installation. Both are excellent for the PNW. James Hardie costs slightly more but may last longer.
Natural Wood Siding
Natural Wood Siding
Cedar, redwood, or pine siding offers classic beauty and excellent insulation, but requires significant maintenance in wet climates.
Cost Range
$8.00 - $15.00 per square foot installed — Premium material with premium maintenance costs.
Pros
- Beautiful, authentic appearance
- Excellent insulation value
- Can be stained or painted
- Can be repaired by replacing individual boards
- High-end aesthetic
Cons
- Requires frequent maintenance (annual inspection)
- Must be stained or sealed every 2-3 years
- Prone to rot in wet climates
- Attracts termites and insects
- Warps and splits with temperature changes
- Very expensive to maintain long-term
- Shorter lifespan (15-25 years)
Performance in Pacific Northwest
Natural wood is not recommended for Pacific Northwest climates. The region's moisture and freeze-thaw cycles cause rot, warping, and deterioration quickly. Even pressure-treated wood struggles. The maintenance burden makes wood siding impractical—you'd be refinishing it constantly. Unless you're committed to rigorous maintenance, choose fiber cement instead for wood's appearance with superior durability.
Metal Siding
Metal Siding
Aluminum or steel siding is less common in residential applications but offers excellent durability in harsh climates.
Cost Range
$7.00 - $12.00 per square foot installed — Similar to premium vinyl or fiber cement.
Pros
- Extremely durable (40-60 year lifespan)
- Doesn't rot, warp, or attract insects
- Excellent in freeze-thaw climates
- Low maintenance
- Lightweight (easier installation)
- Recyclable material
Cons
- Can dent from impact
- Conducts cold/heat (insulation issues)
- Requires thermal break installation
- Industrial appearance (not common residentially)
- Rust concerns (aluminum corrodes over time)
- Limited residential availability
Performance in Pacific Northwest
Metal siding performs well in harsh climates but is rarely chosen for residential homes in the PNW due to appearance and thermal issues. It's more common on commercial buildings or harsh-climate applications. Not recommended unless you specifically prefer the industrial aesthetic.
Comparison Table
| Material | Cost/Sq Ft | Lifespan | Maintenance | Best for PNW? |
|---|---|---|---|---|
| Vinyl | $3.50-$8.00 | 15-25 yrs | Minimal | Budget option only |
| Fiber Cement | $6.50-$12.00 | 25-40 yrs | Repaint 7-10 yrs | ★★★★★ Excellent |
| Wood | $8.00-$15.00 | 15-25 yrs | Very high | Not recommended |
| Metal | $7.00-$12.00 | 40-60 yrs | Minimal | Commercial use |
Our Recommendation for Spokane and Pacific Northwest Homes
Fiber Cement Siding is the Best Choice
For Spokane homeowners, fiber cement siding (James Hardie or LP SmartSide) offers the best balance of durability, appearance, and long-term value. It genuinely stands up to our freeze-thaw cycles, moisture, and weather extremes. While it requires repainting periodically, the durability and resale value justify the investment over time. Vinyl is acceptable for budget-conscious buyers, but fiber cement will outlast it significantly in our climate.
Installation Quality Matters
Regardless of material choice, professional installation is critical. Poor installation—improper fastening, inadequate expansion gaps, missed sealant, or incorrect flashing—causes premature failure regardless of material quality. Choose a contractor who:
- Is licensed and bonded in Washington
- Has experience with your chosen material
- Understands PNW climate requirements
- Provides detailed installation specifications
- Carries adequate liability insurance
- Offers a meaningful warranty
Need Help Choosing Siding?
Signature Exteriors specializes in siding installation for Pacific Northwest homes. We'll help you choose the right material for your climate and budget, then install it to the highest standards. We guarantee your siding performs in our weather.
Get Your Free ConsultationOr call us at 509.295.8066