How to Choose the Right Tent Footprint Size & Material
By CORE Equipment – Core Equipment | Published: 2026-10-24
Category: How-to Guides
Learn how to pick the perfect tent footprint for your camping setup. Compare sizes, materials, and tarp alternatives with our practical guide.
Quick Answer
Choose a tent footprint that matches your tent's exact floor dimensions or is slightly smaller, made from waterproof material like polyethylene, and includes corner loops for easy staking. For CORE instant and dome tents, use the brand-specific footprint to guarantee fit and protection.
Why Size Accuracy Matters More Than You Think
A footprint that is too large can collect rainwater and pool under your tent floor, defeating its purpose. One that is too small leaves vulnerable edges exposed to moisture and abrasion. The ideal footprint is cut to match your tent's exact floor shape or is up to 1 inch smaller on each side. This is why many campers prefer a brand-specific footprint over a generic tarp.
Tent Footprint vs. Tarp: What's the Difference?
A tarp is a versatile, often oversized sheet that can be folded to fit, but it rarely has corner grommets that align with your tent's stake loops. A dedicated footprint is pre-cut and includes elastic loops or grommets that match your tent's corners, making setup faster and more secure. If you already own a tarp, it can work in a pinch, but for consistent protection and ease, a footprint is the better long-term choice.
Material Choices: Polyethylene vs. Polyester vs. Nylon
Most footprints use polyethylene (PE), which is heavy-duty, waterproof, and affordable. Polyester and nylon footprints are lighter and pack smaller, but they usually require a waterproof coating and cost more. For car camping and family tents, PE is the practical choice. For backpacking, a coated nylon footprint saves weight.
How to Choose Your Tent Footprint: Decision Rules
- Match the Tent Floor Size: Measure your tent's floor length and width. Choose a footprint that matches those dimensions exactly or is up to 1 inch smaller on each side. Avoid footprints that are larger than your tent floor.
- Check for Corner Attachment Points: Look for elastic loops or grommets at each corner. They let you stake the footprint down before placing the tent on top, keeping it flat and preventing shifting. Without corner loops, you may need to fold the footprint under the tent edges, which can create wrinkles that trap moisture.
- Pick the Right Material for Your Camping Style: For car camping and family trips, choose a heavy-duty polyethylene footprint for maximum waterproofing and durability. For backpacking, choose a coated nylon or polyester footprint to save weight and pack size. Polyethylene footprints are heavier and bulkier but last longer; nylon footprints are lighter but may wear out faster on rough ground.
- Consider a Brand-Specific Footprint: If your tent brand offers a dedicated footprint (like CORE for their instant cabin and dome tent models), buy it. It guarantees exact fit, pre-attached loops, and tested compatibility. Generic tarps require folding and guesswork; a brand-specific footprint saves time and provides reliable protection.
- Think About Multi-Use Scenarios: If you want a footprint that can also serve as a picnic blanket, tarp for tailgating, or drop cloth for painting, choose one made from durable PE with reinforced edges. The CORE 11-person dome tent footprint is an example of a multi-purpose option.
CORE Footprint Options
- 9 Person Instant Tents Footprint & Outdoor Tarp: FITS: This 13'6" x 8'6" footprint is perfect with our: 9 Person Instant Cabin Tent - model #40008, 9 Person Lighted Instant Cabin Tent - model #40062, 9 Person Instant Cabin Tent with Full Rainfly - model #40217, 9 Person Instant Cabin Blockout Tent - model #40343. If you own any of these four CORE 9-person instant cabin tent models, this footprint guarantees a precise fit and eliminates the guesswork of cutting a tarp.
9 Person Instant Tents Footprint & Outdoor Tarp - 11 Person Dome Tent Footprint & Outdoor Tarp: FITS: This 17'6" x 8'6" footprint is perfect with our: 11 Person Extended Dome Tent - model #40081. MULTIPURPOSE: Can be used for any scenario: picnics, tailgates, painting, whenever and wherever! This large footprint not only protects your 11-person dome tent floor but also doubles as a ground cloth for picnics or tailgates, adding versatility to your gear.
11 Person Dome Tent Footprint & Outdoor Tarp
Who Should Buy What
Best for
- Campers with a CORE instant cabin tent (9-person models) who want a guaranteed fit and easy setup
- Groups using a CORE 11-person extended dome tent who also want a multi-purpose ground cloth for picnics or tailgates
Not for
- Backpackers who need a lightweight, packable footprint (consider a coated nylon option instead)
- Campers using a tent from a different brand without checking dimensions first
