Western Red Cedar
Warm color variation, recognizable grain and a strong regional design tradition. Durability varies with heartwood and sapwood content; grade, moisture and supply influence the installed result.
THERMOStart your projectBUILDERS FIRSTSOURCE · ISSAQUAHGet a local Maximo consultation
Architectural Material Comparison · Issaquah, WA
Maximo Thermo vs.Western Red Cedar.
Naturally durable heartwood, low density and established exterior applications. In the rainy Puget Sound climate, specifying between traditional Western Red Cedar and thermally modified wood comes down to predictability: moisture equilibrium, dimensional movement, maintenance frequency, and warranty.
SIDE-BY-SIDEThermally modified profiles vs. Western Red Cedar
Coating & Care
A finish is needed to preserve color, while unfinished boards weather to silver-gray.
Fabrication
Easy to machine, but softer surfaces can dent and selection remains important for visual consistency.
Material side-by-side
Controlled thermal transformation vs.
natural lumber variability.
Traditional Western Red Cedar remains a familiar Pacific Northwest choice. Its installed performance varies with grade, heartwood and sapwood content, moisture condition, detailing, finish and exposure.
Maximo Thermo provides a defined catalog alternative with reduced moisture response, product-specific durability information and a 20-year limited manufacturer warranty.
Thermal modification reduces equilibrium moisture uptake compared with untreated wood.
Published limited warranty; compare its terms with the exact traditional product being considered.
High-temperature modification reduces natural resins and the risk of hot-weather pitch bleed.
Local order fulfillment and technical guidance in Issaquah, WA.
Drag to compare
Defined profile.
Natural variation.
This visual is illustrative, not a grade sample. Use it to frame the specification conversation: profile, moisture, grain, finish, installation and documented warranty.
MAXIMO THERMO
TRADITIONAL WOOD
MOISTURE RESPONSEPROFILE CONSISTENCYFINISH PLANMAINTENANCE
21 Profile Comparisons
Compare every Maximo model
against Western Red Cedar.
Select a catalog profile to compare its dimensions, intended applications and product characteristics with Western Red Cedar.
Thermo Ash1x6 Plus S4S E4E End MatchA dense thermally modified hardwood with pronounced grain and a deep, architectural tone.Compare vs. Western Red Cedar →
Thermo Ash5/4x6 S4S E4E End MatchA substantial end-matched board built for bold surfaces and high-use exterior spaces.Compare vs. Western Red Cedar →
Thermo Ash2x4 S4S E4EHardwood strength and dimensional stability in a versatile structural-looking profile.Compare vs. Western Red Cedar →
Thermo Ash2x6 S4S E4EA broad, solid profile with strong grain for decking, trim and architectural details.Compare vs. Western Red Cedar →
Thermo Ash1x10 S4S E4EA wide hardwood trim board for fascia, frames and refined exterior transitions.Compare vs. Western Red Cedar →
Thermo Ayous1x6 S4S E4ELightweight, smooth and evenly toned for clean siding, ceiling and wall installations.Compare vs. Western Red Cedar →
Thermo Ayous1x6 V-Joint / Nickel GapA crisp tongue-and-groove profile that creates controlled shadow lines with easy handling.Compare vs. Western Red Cedar →
Thermo Ayous1x6 Fluted #5A rhythmic fluted surface that adds texture while keeping Ayous light and workable.Compare vs. Western Red Cedar →
Thermo Ayous1x8 S4S E4EA lightweight wide board suited to fascia, trim and modern architectural detailing.Compare vs. Western Red Cedar →
Thermo Ayous1x10 S4S E4EA broad, smooth trim board with warm tone and low installed weight.Compare vs. Western Red Cedar →
Thermo Ayous2x2 S4S E4EA compact square profile for battens, screens and precise finish work.Compare vs. Western Red Cedar →
Thermo Ayous2x4 S4S E4EA stable, lightweight profile for trims, frames and dimensional accents.Compare vs. Western Red Cedar →
Thermo Ayous2x6 S4S E4EA wider dimensional profile combining architectural presence with easy machining.Compare vs. Western Red Cedar →
Scandinavian Thermo1x6 V-Joint / Nickel GapStraight grain, characteristic knots and a clean Nordic tongue-and-groove expression.Compare vs. Western Red Cedar →
Scandinavian Thermo1x6 Fluted #5Textured Nordic softwood with distinctive grain and a contemporary fluted face.Compare vs. Western Red Cedar →
Scandinavian Thermo5/4x6 S4S E4EA versatile Nordic profile for clean horizontal or vertical surfaces and decking.Compare vs. Western Red Cedar →
Thermo Clear Radiata1x6 Nickel Gap / Square BackA clear, uniform softwood profile designed for minimal knots and precise shadow lines.Compare vs. Western Red Cedar →
Thermo Clear Radiata5/4x6 S4S E4ESmooth, consistent decking with thermally enhanced stability and approachable weight.Compare vs. Western Red Cedar →
Thermo Clear Radiata2x6 S4S E4EA substantial clear profile for clean-lined decking and matching architectural trim.Compare vs. Western Red Cedar →
Thermo Clear Radiata1x8 S4S E4EA wide, minimal-knot trim board for contemporary fascia and transitions.Compare vs. Western Red Cedar →
Thermo Clear Radiata1x12 S4S E4EThe widest clear trim profile in the catalog for bold fascia and uninterrupted planes.Compare vs. Western Red Cedar →Where to buy in Issaquah
Builders FirstSource Issaquah
Catalog available by consultation. Contact the Issaquah team to confirm availability, sample kits, and lead time for your selected Maximo profile.
Issaquah, WA 98029
(425) 391-8000
Monday–Friday, 7:00 AM–4:00 PMDealer information verified August 31, 2026. No in-stock claim is made on this site.
Request a local quote
Put this profile
on your project.
Tell us what you are building. Our team will review your wood selection and contact you to coordinate a Maximo consultation with Builders FirstSource Issaquah.
YOUR SELECTIONMaximo ThermoCompared with Western Red Cedar
Comparison FAQs
Maximo Thermo vs.
Western Red Cedar
How does Maximo Thermo compare to Western Red Cedar for siding and soffits in Issaquah?+
Thermal modification lowers moisture uptake compared with untreated Western Red Cedar. That can reduce seasonal movement, but joint performance and coating life still depend on profile selection, drainage, ventilation, fastening and maintenance.
Is Western Red Cedar naturally rot-resistant compared to thermally modified wood?+
Western Red Cedar performance depends on grade, heartwood and sapwood content, moisture condition, detailing and exposure. Maximo products use heat and steam to reduce moisture response, with durability ratings that vary by the exact species and profile.
What warranty is provided on Maximo Thermo vs. Western Red Cedar?+
Warranty coverage for traditional Western Red Cedar depends on the supplier and product. Maximo publishes a 20-year limited manufacturer warranty; review current terms and approved applications for the selected profile.
Where can I order Maximo Thermo in King County?+
Builders FirstSource Issaquah (5210 E Lake Sammamish Pkwy SE) provides consultation, sample review, and order coordination for all 21 Maximo Thermo profiles.
Technical sources & testing data