Siding & Cladding

Exterior Siding & Cladding Systems

Rainier Building Supply offers siding and cladding systems for residential, multifamily, and commercial projects across the Pacific Northwest. We work with trusted manufacturers to provide durable, code-compliant materials that perform in demanding weather and real job site conditions, supporting a wide range of architectural styles from single-family homes to large multifamily and commercial buildings.

Siding & Cladding Products

We supply exterior siding and cladding systems used across residential, multifamily, and commercial construction, including:

  • Fiber cement siding and panels
  • Engineered wood siding
  • Composite and specialty cladding
  • Architectural and metal panel systems
  • Trim boards, soffits, and related accessories

Key Manufacturers

We work with leading siding and cladding manufacturers known for quality, testing, and long-term performance, including:

Fiber Cement, Engineered Wood & Specialty Cladding
Metal Panel Systems

If a specified product or profile is not part of our regular inventory, we work to source it quickly and cost-effectively through our supplier network.

Siding & Cladding Support

We provide practical siding and cladding support based on real job conditions, including product selection, flashing coordination, and system compatibility. When needed, our team can assist with field measurements, on-site evaluation, and in-shop consultation to help ensure materials and detailing are correct for each project.

Coordinated Exterior Systems

Siding and cladding performance depends on proper coordination with the rest of the building envelope. Rainier Building Supply helps align:

  • Siding and cladding systems
  • Weather-resistive barriers (WRB)
  • Flashing tapes and membranes
  • Fasteners and sealants
  • Custom sheet metal flashing and trim

Our in-house fabrication shop operation produces job-specific flashing components critical to water management and long-term durability.

Our team is available to assist with pricing, availability, and material selection.