Start with the current collection
Trex product names, colors, profiles, warranties, and availability can change. Use the current manufacturer catalog and physical samples rather than relying on an old article, saved screenshot, or project photo caption.
A color page is useful for narrowing direction. The final decision should happen with an exact sample viewed at the home beside the exterior materials and in the deck area’s actual sun and shade.
- Collection and color
- Board profile
- Fastening system
- Fascia and stair details
- Current warranty and care documents
Coordinate the surface with the structure
Composite boards depend on a sound, correctly spaced, properly detailed structure. Joist spacing, blocking, drainage, ventilation, fastening, breaker boards, picture frames, stairs, and fascia should follow the selected product’s current requirements and the permit-reviewed design.
On a replacement project, do not assume the old frame is ready for new boards. Condition, spacing, layout, connections, and stair geometry need evaluation first.
Design the transitions before ordering
The visible quality of a composite deck often comes from transitions: where board direction changes, where field boards meet a picture frame, how stairs terminate, how fascia aligns, and how railing posts interact with the layout.
Those details affect quantities and labor. They should appear in the scope before material is ordered, not be improvised from leftover pieces at the end.
Use official tools without mistaking them for construction documents
Trex offers a deck designer, cost calculator, product comparison, and downloadable guides. Those are useful for homeowner planning and product research.
The final project still requires site-specific measurements, local approval when applicable, an appropriate structural design, and installation to the current instructions for the exact products used.
Official references
Verify the current requirement or product detail.
These sources are provided for current manufacturer, code-context, licensing, or planning information. The project address, authority having jurisdiction, approved design, and exact product documents still control the work.