Fiberglass Supply Depot 2 Lb Density Expanding Pour Foam, 2 Part Polyurethane Closed Cell Liquid Foam for Boat and Dock Flotation, Soundproofing, Filling Voids, and Insulation (1 Gallon Kit)

Product description

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Weight per Cubic Foot
2 lbs. 4 lbs. 6 lbs. 8 lbs.

Approx. Expansion per 2 Mixed Gallons
9-10 cubic feet 4-5 cubic feet 2.5-3 cubic feet 2 cubic feet

Expansion Rate
Very High High Moderate Lower

Closed Cell

✓

✓

✓

✓

Compressive Strength
Low-Moderate Moderate High Very High

Rigidity
Semi-Rigid Rigid Very Rigid Structural Grade

Water Resistance
Good Very Good Excellent Excellent

Flotation Use
Excellent Excellent Good Limited

Sound Dampening
Good Moderate Lower Lower

Typical Uses
Marine flotation, void filling, lightweight cores Boat decks, RV floors, medium-duty structural fill Transoms, structural reinforcement, high-load areas Industrial structural cores, tooling, load-bearing applications

Flotation Foam is a polyurethane 2-part foam that, when mixed in equal parts and poured in place this foam will soundproof, insulate, or provide extra buoyancy.
This expandable foam is recommended for void filling in nonstructural applications. It can be poured underneath decks and inside cavities where a lightweight flotation foam is needed to provide buoyancy.
2# Density polyurethane flotation Foam 1 Gallon Kit; Consists of 1/2 gallon of Part A and 1/2 gallon of Part B and produces 5 cubic feet.
Once fully cured this foam can be laminated over with any type of polyester, epoxy or vinyl ester resin without melting.
All expansion rates and times given are temperature critical. Temperatures below 75° F will lower the expansion rate therefore requiring more foam. Ideal working temperature is 75° to 80° F or above. Accurate measuring of these products is extremely critical. Working time before foaming: approx. 45 seconds Time before full expansion: approx. 5 minutes

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