CELL-O-FILL Structural Filler for Marine Epoxy

$15.00

CELL-O-FILL Structural Filler is a low-density additive designed to mix with UltraClear Marine Epoxy FAST or SLOW systems. It strengthens bonding, filling, and filleting without significantly adding weight, suitable for marine and woodworking projects. The filler contains cellulose fibers compatible with the epoxy formulas and is non-toxic.

Mixes with both UltraClear Marine Epoxy curing speeds
Lightweight yet adds structural strength
Non-toxic and non-carcinogenic composition
Available in 1 Quart and 1/2 Gallon sizes

Size: 1 Quart $15

1 Quart $15
1/2 Gallon $25

Product variants

Lightweight strength for marine epoxy projects

Choose CELL-O-FILL for practical epoxy structural filling

Product details and sizing

Exact Details and Fit

Brand: UltraClear Epoxy
Category: Protective Coatings & Sealants
Material: Contains cellulose fibers compatible with UltraClear Marine Epoxy.
Dimensions: Available in 1 Quart and 1/2 Gallon sizes to suit different project needs.
Type: Protective Coatings & Sealants
Design: Protective Coatings & Sealants
Options: Size: 1 Quart $15, 1/2 Gallon $25
Variants: 1 Quart $15, 1/2 Gallon $25

What arrives

One CELL-O-FILL Structural Filler for Marine Epoxy resin product in the selected size or kit option.

Match size to your project volume

Size Options

Mix CELL-O-FILL into UltraClear Marine Epoxy FAST or SLOW systems to create a lightweight filler for bonding, filling, or filleting. Read the manufacturer instructions before opening and confirm mix ratio, pour depth, temperature, working time, cure schedule, PPE, and ventilation.

Available in 1 Quart and 1/2 Gallon containers

Compatible with UltraClear Marine Epoxy FAST and SLOW systems. Use only with compatible pigments, molds, forms, wood, sealers, topcoats, and surface-prep products allowed by the manufacturer. Test unfamiliar materials before final project use.

Always follow the manufacturer's instructions and safety guidance.

Order and delivery information

Shipping and Returns

Shipping

Shipping rates and delivery estimates are shown at checkout. Most partner-brand orders ship in 1-5 business days when inventory is available, but timing can vary by supplier, destination, item type, and carrier. Multi-brand orders may arrive in separate packages.

Returns

Return requests are accepted within 30 days of delivery. Damaged, defective, incorrect, or missing items are fully supported; contact Resin Society first and we will coordinate directly with the brand. Change-of-mind returns are reviewed according to the supplier's return policy and item condition.

At the workbench

Where repairs meet resolve

Light, then strong

Boat days and shop days share the same truth: gaps and joints decide how long things last. CELL-O-FILL keeps the build light while giving bonds, fills, and fillets the backbone they need. It’s a straightforward way to add structure without bulk or guesswork.

The feel of finished

Projects move faster when the mix behaves the way you intend. CELL-O-FILL pairs with UltraClear Marine Epoxy FAST or SLOW, bringing body and confidence to each pass of the spreader. From a sheer clamp to a table apron, the work holds—and you move on.

For builders who live with their builds

Anyone shaping marine or woodworking projects who wants strong, lightweight bonding, filling, and filleting with UltraClear Marine Epoxy systems.

How it’s used

Blend CELL-O-FILL with UltraClear Marine Epoxy FAST or SLOW to create a lightweight, structural mix for bonding, filling, and filleting.

Epoxy projects
Wood and resin work
Pour planning
Shop use

Maker Spotlight

UltraClear Epoxy

UltraClear Epoxy focuses on epoxy systems, resin color, additives, and practical pour supplies for tables, bars, coatings, casting, and studio work. Resin Society carries UltraClear because the line fits makers who need resin materials, pigments, and setup tools organized around real epoxy workflows.

Explore UltraClear Epoxy

Common Questions

FAQ

What systems does CELL-O-FILL work with?

It’s compatible with UltraClear Marine Epoxy FAST and SLOW systems.

What tasks is it meant for?

Use it for bonding, filling, and filleting where you want strength without adding much weight.

Is the filler heavy once mixed?

No. It’s a low‑density structural filler designed to keep builds strong yet lightweight.

Is it safe to use in the shop?

It’s described as non‑toxic and non‑carcinogenic. Always read cautions on the container’s back panel.

Where does it make the most sense to keep a tub of this?

Anywhere you tackle marine or woodworking projects that need reliable bonding, fills, or fillets with UltraClear Marine Epoxy.