TAP X-30 Expanding Polyurethane Foam – 2 lb Density for Roof Coating, Buoyancy & Insulation
TAP X-30 Expanding Polyurethane Foam – Lightweight, Rigid Foam for Buoyancy, Insulation & Structural Support
TAP X-30 is a high-performance, rigid polyurethane foam that expands up to 30 times its original liquid volume, forming a dense, closed-cell structure ideal for a wide range of industrial and DIY applications. With a cured 2 lb. density, X-30 delivers excellent buoyancy, structural support, and thermal insulation, making it a top choice for marine repairs, roof coating systems, architectural insulation, and mold-making.
This pour-in-place expanding foam is formulated for easy use—simply mix equal parts of Side A (Resin) and Side B (Catalyst), stir thoroughly, and pour into a sealed cavity. Be sure to allow room for expansion. Once cured, X-30 is resistant to gasoline, oils, solvents, and other petroleum-based products, ensuring long-lasting durability in demanding environments.
Key Benefits:
✔ High Expansion Ratio – Grows up to 30x in volume for efficient fill and support
✔ Excellent Buoyancy – Provides approx. 60 lbs. of flotation per cubic foot
✔ Architectural & Roof Insulation – Used in roof coating systems and architectural cavities to improve energy efficiency and reduce sound
✔ Closed-Cell Structure – Superior resistance to moisture, fuel, and chemicals
✔ Mold-Making & Tooling – Great for pattern creation (or recreation!) and structural fill-in molds
✔ Sound & Thermal Barrier – Acts as an effective acoustic and thermal insulator
✔ Fiberglass Compatible – Accepts polyester and epoxy resins without degradation
Ideal For:
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Marine flotation and structural reinforcement
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Roof coating and cavity insulation
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Architectural castings and core fill
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Sculpture and mold-making
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Soundproofing and thermal control in construction
TAP X-30 is a versatile, professional-grade expanding foam that delivers outstanding performance in both industrial and creative applications. From stabilizing boats to insulating roofs or crafting lightweight molds, X-30 offers strength, buoyancy, and reliability in one easy-to-use formula.
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| Kit Size
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1 Qt. Kit
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1/2 Gal Kit
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2 Gal Kit
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10 Gal Kit
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2 Drum Kit
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Side A
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16 oz (1 pint)
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32 oz (1 qt)
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1 gal
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5 gal
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50 gal
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Side B
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16 oz (1 pint)
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32 oz (1 qt)
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1 gal
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5 gal
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50 gal
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Foamed Volume (approx.) cu. ft.
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1
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2
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8
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40
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400
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TAP Web Store Ship Method
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UPS
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UPS
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UPS
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UPS
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Freight Truck**
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Available for pickup at TAP Retail Stores
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Yes
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Yes
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Yes
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Yes
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*Mixing Quantities larger than 1/2 gallon requires a power mixer and experience with foam properties.
**Available by phone order only: (888) 827-7330, Mon-Fri 9am - 5pm (PST).
Note: When working with X-30 always cover your working surface with plastic film, as X-30 will soak through newspaper or cardboard and will be difficult to remove.
Click here for X-30 Urethane Foam Flammability Warning.
TAP Video: TAP X-30 Foam in action!
Click here for TAP X-30 Polyurethane Foam Product Bulletin.
Click here for TAP X-30 Polyurethane Foam A Front Label.
Click here for TAP X-30 Polyurethane Foam A Back Label.
Click here for TAP X-30 Polyurethane Foam B Front Label.
Click here for TAP X-30 Polyurethane Foam B Back Label.
Made from X-30 Expanding Foam
Made using TAP X-30 Foam.