Familiar appearance, low density and established use across Northwest siding, soffits, decking, trim and fences.
THERMOStart your projectBUILDERS FIRSTSOURCE · ISSAQUAHGet a local Maximo consultation
Natural softwood family · Soffit · Issaquah, WA
Cedar
Soffit planning.
“Cedar” is a broad buying term, not a complete specification. Species, grade, heartwood content, grain orientation, moisture and finish determine what reaches the job. Design a protected exterior overhead surface with controlled joints, ventilation, service access, lighting coordination and a finish that can be maintained from below.
APPLICATIONSoffitPROFILE · FINISH · ASSEMBLY
Name the cedar species, grade, moisture condition, face, profile, heartwood expectations and finish—not only “cedar.”
Soffit boards need a profile, fastening pattern and backing strategy coordinated with vents, recessed fixtures, edges and the adjacent cladding or fascia.
Availability, color, grain and natural durability can vary substantially between cedar products and grades.
The prefinish advantage
Coat the board
before access disappears.
Cedar accepts many finish systems, and industry guidance recommends pre-priming or prefinishing before delivery for optimum siding and trim performance. Prefinishing before boards go overhead gives the applicator access to faces, edges and ends while the pieces are still easy to handle, helping create more consistent color and coverage.
Plan a prefinished packageControlled coverage
Confirm whether faces, backs, edges and ends are included, plus coating manufacturer, color, sheen and target coverage.
Cleaner schedule
Move eligible coating work away from installed assemblies, ladders, lifts and interference with other trades.
Consistent appearance
Controlled application and cure conditions can reduce lap marks, streaks and unfinished shrink lines.
Field discipline remains
Reseal cuts, holes and damaged coating; protect finished boards in storage and follow the approved touch-up process.
A quote-ready scope
Four questions
before material selection.
Coordinate ventilation, fire, electrical and fastening requirements with the project professional. Product suitability remains profile-specific.
- 01Vented or unvented soffit assembly?
- 02Lighting, speakers or access panels?
- 03Joint rhythm and board direction?
- 04Finish continuity with siding or ceiling?
Built for the full project team
One material brief.
Different decisions.
ArchitectsProfile and application alignmentOpen project guidance →BuildersAvailability and lead-time confirmationOpen project guidance →ContractorsMachining and fastening requirementsOpen project guidance →DesignersSpecies character and color rangeOpen project guidance →HomeownersAppearance now and after weatheringOpen project guidance →
Relevant Maximo starting points
Compare a defined profile.
Not a generic wood label.
These models come from the closest cataloged application. Confirm the exact use, finish and availability before ordering.
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Thermo Ash5/4x6 S4S E4E End MatchSiding & Cladding · Ceilings & Soffits · DeckingCompare profile →
Thermo Ayous1x6 S4S E4ESiding & Cladding · Ceilings & SoffitsCompare profile →
Thermo Ayous1x6 V-Joint / Nickel GapSiding & Cladding · Ceilings & SoffitsCompare profile →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
Material planning FAQs
Specify first.
Price second.
Is Cedar automatically the best choice for wood soffits?+
No. Cedar has useful strengths, but the decision still depends on exposure, grade or product, profile, assembly, finish, maintenance and budget. This guide makes those inputs visible before a quote is requested.
Can Maximo Thermo be used for this soffit project?+
Only when the exact profile is documented for the intended application. The profiles shown here are selected from the closest cataloged application, but the project team and BFS Issaquah should confirm the final profile and assembly.
Why discuss prefinishing before installation?+
Prefinishing before boards go overhead gives the applicator access to faces, edges and ends while the pieces are still easy to handle, helping create more consistent color and coverage. Prefinishing does not eliminate field-cut sealing, touch-up, installation care or future maintenance.
Where can I ask about availability in Issaquah?+
Submit the project brief through this site or contact Builders FirstSource Issaquah. This site does not claim live inventory, pricing or guaranteed lead time.
Technical sources & limitations
Product suitability, prefinish availability, coating compatibility, live inventory, pricing and lead time must be confirmed for the selected profile and project.