Transporting your kayak safely and securely requires the right equipment. Foam blocks designed for kayaks provide essential cushioning and stability during vehicle transport. These blocks protect your kayak and car roof from scratches and ensure a non-slip fit. Below is a summary of some of the best foam block kits available on Amazon, each offering unique features tailored for convenience, durability, and universal compatibility.
| Product | Brand | Key Features |
|---|---|---|
| Attwood Universal Rack-Free Carrier Kit | Attwood | Includes foam blocks, straps, clips; angled foam cushions; prevents scratches |
| Seattle Sports Sherpak Kayak Foam Block | Sherpak | Universal fit; non-skid bottom; durable premium foam; cost-effective |
| WOOWAVE Deluxe Kayak Carrier Kit | WOOWAVE | Shock resistant EVA foam; UV resistant; includes tie-downs and hooks |
| Innconee Universal Canoe Carrier Kit | Innconee | Soft foam pads; abrasion resistant EVA foam; includes straps and S-hooks |
| Pelican Adjustable Deluxe Foam Block Carrier Kit | Pelican | Adjustable foam blocks; includes crossbars; tie-down loops; multiple kayak widths |
Attwood Universal Rack-Free Kayak Carrier Kit with Foam Blocks

The Attwood Universal Kayak Carrier Kit comes complete with all necessary components for secure rooftop transportation. It includes two angled foam blocks that support your kayak while preventing scratches both on the kayak and your car roof. The kit also features two adjustable straps with buckles and clips for fast installation and additional guy ropes for enhanced security. Its angled foam design ensures that your kayak is cradled firmly, minimizing movement during transit.
Seattle Sports Sherpak Universal Kayak Foam Block with Non-Skid Bottom

Designed with durable premium materials, this foam block provides a secure and stable base for kayaks of all sizes. Measuring 14 inches in width, 8 inches in depth, and 4 inches in height, these blocks fit universally and feature a non-skid bottom to prevent shifts while driving. The Sherpak foam blocks offer an economical yet reliable solution for kayak or canoe roof transport without the need for bulky carriers or tools, making them convenient for casual kayakers.
WOOWAVE Deluxe Kayak Carrier Kit with Soft Foam Blocks and Tie-Downs

This deluxe kit from WOOWAVE includes shock resistant EVA foam blocks that provide UV resistance and anti-tear durability. The soft foam material cushions the kayak and protects your vehicle’s roof. The kit contains four tie-downs with adjustable buckles and S-hooks for secure fastening. Installation is easy and does not require tools, supporting cars with or without existing roof racks, making it exceptionally versatile for various vehicle types and outdoor setups.
Innconee Universal Car Top Canoe Carrier Kit with EVA Foam Pads

The Innconee carrier kit boasts four odorless and abrasion-resistant EVA foam pads designed to absorb shocks and prevent damage. The dark gray foam blocks fit a variety of roof racks with dimensions of approximately 6.7 by 3.9 by 3.1 inches. The package also includes nylon load straps, S-hooks, and adjustable buckles, providing a full setup to stabilize the kayak or canoe during transport. This combination of materials and components ensures longevity and reliable protection.
Pelican Adjustable Deluxe Foam Block Roof Kayak Carrier Kit

The Pelican kit includes two fully adjustable foam blocks that can accommodate kayak widths from 16 to 36 inches, making it suitable for a wide range of hull sizes. It comes with two 38-inch crossbars to improve support and rigidity, plus six tie-down straps and T-style hood loops for vehicles lacking tie-down hardware. This all-in-one solution is excellent for securely transporting any type of kayak or SUP with customizable spacing and robust fastening options.
Buying Guide for Kayak Foam Blocks
Material and Durability
Foam quality is crucial for effective kayak protection. EVA foam offers excellent shock resistance, UV protection, and is abrasion-resistant. Look for foam blocks that resist tearing and maintain firmness over time to prevent deformation and provide consistent support during transport.
Size and Fit
Select foam blocks with sizes that suit your specific kayak and vehicle roof dimensions. Universal fit blocks, often adjustable, cover a broader range, but specific measurements ensure optimal stability and less movement. Consider the height, width, and depth of the foam when fitting your kayak.
Non-Skid Base and Secure Attachment
A non-slip base on foam blocks prevents shifting on your roof’s surface, which is important for safety and to avoid damage. Straps and buckles included in the kit should be adjustable and strong, allowing you to securely fasten the kayak to the blocks and your vehicle — look for tie-downs with heavy-duty buckles and hooks for reliable installation.
Ease of Installation
Installation should be simple and preferably tool-free. Kits that include straps, clips, and hooks with clear instructions save time and maximize convenience. Some kits are designed for use with or without existing roof racks, increasing compatibility.
Compatibility
Consider if your vehicle has roof bars or not. Some foam block kits are designed primarily for cars with crossbars, while others work well for vehicles without bars by utilizing secure strapping systems. Adjustable or modular kits offer more flexibility across different car models and kayak types.
Additional Features
Some carrier kits come with extra accessories like crossbars, hood loops, or storage bags, which enhance security and convenience. Adjustable foam blocks to accommodate different kayak hull sizes are valuable for versatility if you own multiple watercrafts or frequently rent different kayaks.