Does it melt if primed via an aerosol based primer?

Hi, I can’t be totally sure, but as long as you use a polyurethane foam you should be ok. Polyurethane foam doesn’t melt when heated. I use adhesives with that type of foam with no problems. Hope that helps.

float? use in kayak chamber?

Absolutely. This type of foam is commonly used for boat docks and other water flotation.

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Silverlake 6x6x6 Craft Foam Cubes for Styrofoam Block Projects (6-Pack)

Product ID: 129601997

Details

Brand
SilverlakeLLC
Color
White
Age Range (Description)
Adult
Material
Foam
Item Weight
9.6 ounces
Number of Items
6

📏6x6x6 inch uniform cubes

🛠️High-density EPS foam, professional-grade

🇺🇸Made in USA by small business

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VT15010

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Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎨 Build Bold, Build Brilliant — Craft Like a Pro with Silverlake!

STEM ART READY - Perfect for classroom projects, architectural models, and interactive displays
PRO GRADE DURABILITY - Dense EPS foam that sands, shapes, and paints like a dream
LIGHTWEIGHT YET STURDY - Weather-resistant foam that holds up to freeze-thaw cycles and handling
PRECISION CRAFTED CUBES - Uniform 6x6x6 inch blocks for flawless modular builds
VERSATILE CREATIVE CANVAS - Water-based paint & sealant safe for endless customization

Silverlake 6x6x6 Craft Foam Cubes are premium, American-made high-density EPS foam blocks designed for professional crafters, educators, and model makers. Each pack includes six uniform, rigid cubes ideal for sculpting, painting, and precision cutting. Lightweight yet durable, these cubes withstand moisture and freeze-thaw cycles, making them perfect for STEM education, architectural modeling, and creative projects requiring consistent, high-quality building blocks.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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