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FRP trim is a key finishing component used around fiberglass-reinforced wall panels (FRP panels) to provide seamless edges, joints, and corners. It prevents moisture penetration, enhances hygiene, and delivers a clean, professional appearance.
In industrial kitchens, laboratories, and marine environments, GTOFRP FRP trims are designed for easy cutting, alignment, and long-term corrosion resistance, ensuring compatibility with all wall and ceiling panel systems.
The cost of installing FRP trim depends on trim type, labor rates, and surface condition.
Here's a general 2025 reference chart:
| FRP Trim Type | Typical Size (inch) | Material Cost (USD / linear foot) | Installed Cost (USD / linear foot) | Application |
|---|---|---|---|---|
| Inside Corner Trim | 3/4 × 3/4 | $0.80 – $1.50 | $2.5 – $4.0 | Room junctions |
| Outside Corner Trim | 3/4 × 3/4 | $1.00 – $1.80 | $3.0 – $4.5 | External edges |
| Divider Trim (H Trim) | 1.0 | $1.20 – $2.00 | $3.5 – $5.0 | Panel joints |
| End Cap Trim (J Trim) | 1.0 | $0.90 – $1.60 | $2.0 – $3.5 | Wall terminations |
➡ For wall panel compatibility, see FRP Wall and Ceiling Panels: Applications and Installation Guide.
Before installing FRP trims, prepare the following tools and accessories:
Measuring tape and fine-tooth saw
Construction adhesive (compatible with FRP resin)
Silicone sealant for hygienic joints
Stainless steel screws (optional for high-traffic areas)
Protective gloves and clean rags
GTOFRP recommends using industrial-grade adhesives that cure without damaging the FRP's gelcoat surface.
Ensure the substrate and FRP panels are clean, dry, and smooth.
Remove debris or adhesive residues that may prevent tight bonding.
Measure wall edges and panel joints precisely.
Cut FRP trims with a fine-tooth saw to achieve clean, straight edges.
Always pre-fit trims before applying adhesive.
Apply construction adhesive evenly inside the trim channel.
For large projects, use a notched trowel for uniform coverage.
Press trims gently onto the panel edges.
Maintain consistent spacing (typically 1/8" for expansion).
Use clamps or tape to hold in position until the adhesive cures.
Apply a thin bead of silicone sealant along edges and corners.
Smooth out the sealant for aesthetic and watertight finish.
| Mistake | Impact | Recommended Fix |
|---|---|---|
| Uneven adhesive application | Gaps and weak bonding | Spread evenly with notched trowel |
| No expansion gap | Buckling with temperature | Leave 1/8" space at joints |
| Skipping sealant | Water infiltration, mold | Apply continuous silicone line |
| Misaligned corners | Poor aesthetics | Use measuring guides and clamps |
| Using wrong adhesive | Surface bubbles or delamination | Choose FRP-compatible adhesive |
GTOFRP's trims are pre-tested with Vinyl Ester and Polyester FRP panels, minimizing installation risk on-site.
A trained technician can install about 120–150 linear feet of FRP trim per day under standard conditions.
Labor cost typically ranges from $1.50–$3.00 per linear foot, depending on region and surface complexity.
For new facilities or retrofits, using factory-cut FRP trim kits from GTOFRP can reduce installation time by up to 25%.
Clean trims regularly using mild detergent and soft cloth.
Avoid harsh solvents that may dull the gelcoat finish.
Inspect joints semi-annually for sealant integrity.
Replace damaged sections immediately to prevent water damage.
Proper FRP trim installation ensures durability, hygiene, and professional aesthetics across commercial and industrial projects.
GTOFRP offers a complete line of inside, outside, divider, and end trims, engineered for quick assembly and long-term structural reliability.
For project quotations or OEM trim production, contact GTOFRP Composite Engineering — your partner in fiberglass wall and ceiling systems.
