Transporting your kayak safely requires reliable foam blocks that provide cushioning and stability. This guide features top-rated DIY kayak foam blocks and carrier kits designed to fit various vehicles and kayak types, ensuring your gear stays secure during travel. Below is a summary of the selected products, highlighting essential features for easy comparison.
| Product | Brand | Key Features |
|---|---|---|
| Attwood Universal Rack-Free Kayak Carrier Kit | Attwood | Foam blocks with straps, angled foam cushions, prevents scratches |
| WOOWAVE Deluxe Universal Soft Foam Block Carrier Kit | WOOWAVE | Shock resistant EVA foam, UV resistant, non-slip, includes tie-downs |
| Seattle Sports Sherpak Kayak Foam Block | Sherpak | Universal fit, non-skid bottom, durable EVA foam, economical |
| Innconee Universal Car Top Canoe Carrier Kit | Innconee | EVA foam pads, tie-downs, abrasion-resistant, soft and stable |
| Shoreline Marine PROPEL Paddle Gear Kayak Carrier Kit | Shoreline Marine | Closed-cell V foam blocks, cam lock straps, bumper down lines |
Attwood Universal Rack-Free Kayak Carrier Kit

The Attwood Universal Rack-Free Car-Top Kayak Carrier Kit is a comprehensive solution for safely transporting kayaks on your vehicle roof. It includes two foam blocks designed to support the kayak, two straps with adjustable buckles and clips, and guy ropes for added security. The angled foam blocks cushion your kayak, preventing scratches to both the kayak and your car’s roof. This kit is ideal for those looking for a durable and simple setup that requires no external roof racks, making it versatile for various vehicle types.
WOOWAVE Deluxe Universal Soft Foam Blocks Carrier Kit

The WOOWAVE Deluxe Kayak Carrier Kit includes two 12-inch foam blocks made of shock-resistant EVA foam, providing excellent UV resistance and anti-tear strength. Their soft texture protects the car roof from scratches, while the non-slip undersides keep the pads firmly in place during transit. This kit fits any car rack model, featuring four tie-downs with adjustable buckles, S-hooks, and load straps, making setup quick and tool-free. It’s perfect for budget-conscious kayakers needing a reliable, easy-to-install transport solution.
Seattle Sports Sherpak Universal Kayak Foam Block

The Seattle Sports Sherpak Kayak Foam Block offers a universal fit with dimensions of 14″ wide, 8″ deep, and 4″ tall, perfect for securing kayaks during transport on most vehicles. The premium gray EVA foam is durable and features a non-skid bottom to prevent shifting or slipping on the roof rack. This economical solution makes it easier and less expensive to transport kayaks without investing in specialized carriers, and installation requires no tools or additional help.
Innconee Universal Kayak Foam Blocks with Tie-Downs

The Innconee Universal Car Top Canoe Carrier Kit includes four soft foam pads crafted from odorless, abrasion-resistant EVA foam to guarantee long-lasting use. This kit comprises tie-downs with adjustable buckles, nylon load straps, S-hooks, and a storage bag, providing a stable and smooth transportation experience. Sized at about 6.7 x 3.9 x 3.1 inches, these blocks fit various roof rack setups and add both practicality and style with their dark gray finish, suitable for DIY kayak block projects.
Shoreline Marine PROPEL PADDLE GEAR Kayak Carrier Kit

The Shoreline Marine PROPEL Kayak Carrier Kit is designed for secure kayak transportation using two 16-inch closed-cell V-shaped foam blocks that effectively protect your kayak and car. Included are two cam lock tie-down straps and 40 feet of rope for securing the kayak at the front and rear bumpers. This setup emphasizes safety and ease of use, providing a simple and effective way to transport your kayak with confidence for both occasional and frequent paddlers.
Buying Guide For Diy Kayak Foam Blocks
Choosing the right foam blocks for DIY kayak transportation requires evaluating several key factors to ensure safety, durability, and ease of use.
Material Quality and Durability
Closed-cell EVA foam is preferred due to its water-resistant, tear-resistant, and abrasion-resistant properties. High-density foam offers excellent cushioning while maintaining shape under pressure, crucial for protecting both your kayak and vehicle roof.
Fit and Compatibility
Select foam blocks that offer a universal fit or match your vehicle’s roof rack dimensions. Foam blocks sized appropriately will stabilize the kayak to prevent shifting during transit. Kits that include straps and hooks compatible with your car type add convenience and security.
Non-slip and Protective Features
Look for foam blocks with non-skid bottoms or slip-resistant coatings to keep the foam securely positioned on the car roof. Soft padding is important to avoid scratching your vehicle’s paint and to protect the kayak’s hull.
Ease of Installation
Foam block kits that require no tools and include detailed instructions enhance user experience. Strap systems that allow quick tightening and easy securing of the kayak save time and effort on the road.
Additional Kit Components
Kits offering not only foam blocks but also tie-down straps, cam locks, hooks, and storage bags provide a comprehensive transport solution. Consider whether you need these extras or prefer to purchase foam blocks only for DIY customization.
Size and Shape Considerations
Thicker foam blocks with V-shaped or angled designs help cradle kayaks more securely. Measure your kayak and car roof space to ensure the blocks provide adequate support without obstructing loading or unloading.
Budget and Purpose
Economical foam blocks are suitable for casual users or infrequent transport. For frequent or long-distance travel, invest in higher-quality kits with premium materials and added safety features.