Siding Lumber Buying Guide | Lumberama
Siding

Your Complete Guide to Buying Wood Siding (2026)

Prepared by Lumberama's Buying Guides Team
|Last updated May 25, 2026|Sources & methodology

Wood siding gives your home a timeless, natural look that no synthetic material can truly replicate. Whether you want classic clapboard, rustic board-and-batten, or modern channel siding, choosing the right lumber is critical for appearance and longevity. This guide covers the species, profiles, and grades that deliver the best results.

Key Takeaways

  • Wood siding gives your home a timeless, natural look that no synthetic material can truly replicate.
  • Whether you want classic clapboard, rustic board-and-batten, or modern channel siding, choosing the right lumber is critical for appearance and longevity.
  • This guide covers the species, profiles, and grades that deliver the best results.
  • Natural decay resistance — exterior siding faces constant weather exposure and needs durable species.
  • Profile and style — lap, tongue-and-groove, board-and-batten, and shingle each create distinct looks.

What to Look For

  1. Natural decay resistance — exterior siding faces constant weather exposure and needs durable species.
  2. Profile and style — lap, tongue-and-groove, board-and-batten, and shingle each create distinct looks.
  3. Paint or stain compatibility — some species hold paint better than others.
  4. Dimensional stability — siding that cups and warps pulls away from fasteners and lets in moisture.
  5. Moisture content — siding should be kiln-dried to 12-15% MC for paint-grade applications.
Siding Lumber Buying Guide | Lumberama

Species Comparison

Western red cedar: Premier siding species. Naturally rot-resistant, dimensionally stable, accepts paint and stain beautifully. Redwood: Excellent durability with rich color. Premium price point. Eastern white pine: Affordable, paints well, but requires primer and quality paint for exterior longevity. Cypress: Excellent rot resistance with a fine, even grain. Great for Southern and coastal climates. Douglas fir: Strong and economical. Requires thorough priming and finishing for exterior use.

Size Guide

1x6 and 1x8 lap/bevel siding: Most common residential profile. Installs horizontally with overlapping courses. 1x8 and 1x10 board-and-batten: Vertical installation with narrow battens covering joints. Rustic to modern aesthetic. 1x6 tongue-and-groove: Tight-fitting horizontal or vertical installation. Clean appearance. 1x4 through 1x12 channel siding: Features a rabbet that creates a shadow line. Modern farmhouse look. 5/8" and 3/4" shingles: Tapered pieces installed in overlapping courses. Classic New England style.

Grade Guide

Clear/A grade: No knots, ideal for stain-grade siding where natural wood beauty is featured. Select/B grade: Small tight knots. Good for painted or lightly stained siding. #2/Standard: Moderate knots allowed. Fine for painted siding and budget-conscious projects. Rustic/Knotty: Large knots and character marks. Intentional aesthetic for cabin or farmhouse styles.

Budget Breakdown

Pine lap siding: $1.50–$3.50 per sq ft for material. Cedar bevel siding: $4–$8 per sq ft for material. Redwood siding: $7–$12 per sq ft for material. Cedar shingles: $5–$9 per sq ft for material. Installation typically adds $3–$7 per sq ft. Priming and painting adds $2–$4 per sq ft.

Common Mistakes to Avoid

  1. Installing siding without a proper rain screen or house wrap — trapped moisture rots siding from behind.
  2. Using flat-sawn boards for wide siding — they cup more than vertical-grain boards.
  3. Back-priming only one side — both faces and all edges need primer to prevent uneven moisture absorption.
  4. Face-nailing too close to board edges — this causes splitting. Pre-drill or use ring-shank nails.
  5. Ignoring end-grain sealing — exposed end grain wicks moisture aggressively and accelerates decay.

Pre-Purchase Checklist

  • Select a species with natural rot resistance or plan for thorough priming
  • Choose a profile that matches your home's architectural style
  • Verify moisture content is 12-15% MC
  • Back-prime all boards before installation
  • Confirm housewrap and flashing are properly installed
  • Order 10-15% extra for waste, cuts, and future repairs
  • Seal all end-grain cuts on site during installation

Frequently Asked Questions