Support Spacing
Use furring at least 3/4 inch thick and no more than 24 inches on center; confirm final spacing for the profile.
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Architectural Cladding · Division 07 46 23 · Issaquah project guide
Thermo Clear Radiatafor Siding & Cladding.
Thermo Clear Radiata is selected for a clear architectural face and uniform grain. The cataloged 1x6 Nickel Gap / Square Back profile creates a clean linear expression; confirm current availability, pricing and lead time with BFS Issaquah.
APPLICATION SYSTEMThermo Clear Radiata · Siding & Cladding
500Janka Hardness
27.0Dry Density
Verify ProductDurability Rating
20 YearMaximo Warranty
Hardware & Nails
Exterior-grade stainless steel screws selected for the profile and substrate; pre-drill as directed.
Sub-framing Details
A drained wall assembly with coordinated flashings and a ventilated space behind the siding.
Air Cavity Specs
Keep drainage and airflow continuous and protect openings from insects without blocking ventilation.
Material & assembly planning
Key advantages &
installation rules.
Clear Architectural Face
Selected clear material creates a quiet surface with minimal visual interruption.
Crisp Nickel Gap
The cataloged profile creates defined horizontal or vertical shadow lines.
Assembly Guidelines for Siding & Cladding:
- Install over a drained rainscreen cavity with minimum 3/4" thickness.
- Fasten through the face or blind-nail through the tongue according to project wind-load submittals.
Reduced tangential movement supports more consistent joints through seasonal changes.
Thermal modification reduces moisture uptake and changes nutrients used by decay fungi; confirm the rating for the selected profile.
Real wood modified without added wood-preservative chemicals.
Consultation and order coordination through BFS Issaquah.
Cataloged Profiles
1 Profiles available for
Thermo Clear Radiata siding & cladding.
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.
Frequently Asked Questions
Thermo Clear Radiata · Siding & Cladding
How does Thermo Clear Radiata compare to Vertical Grain Hemlock?+
Both can provide a quiet, linear appearance. Thermo Clear Radiata adds reduced moisture response through thermal modification and a product-specific warranty; compare exact grade, dimensions, durability documentation, finish and supply.
Product and installation references