Trimdek Bottom Infill Strip: The Go-To Solution for a Clean, Sealed Edge in Your Roofing Project

These precision-cut foam closure strips are specially shaped to match the bottom side of Trimdek roofing sheets, ensuring a snug fit that seals gaps where insects, wind, water, birds, or other vermin could enter, helping you achieve a pest-proof roof. Made from high-quality PE foam without fillers, these profile foam infill strips offer superior durability and long-term performance, resisting degradation and maintaining their sealing effectiveness over time.

🛠 Why use bottom foam infill strips for Trimdek roofing?

• Stops water penetration under flashings and eaves

• Blocks wind-driven dust and debris from entering roof space

• Prevents insects, birds, and rodents from nesting in your roof cavity

• Ensures a neat, professional-looking finish

• Lightweight, easy to install – simply push into the profile gaps

• Compatible with COLORBOND® and ZINCALUME® Trimdek profiles

Whether you’re building a patio, carport, shed or commercial structure, properly sealing the roof base is essential for long-term durability and protection.

🏗️ How to Install Bottom Profile Trimdek Foam Infill Strips

Installing bottom profile Trimdek foam infill strips is a straightforward process that helps ensure your metal roofs are protected from dust, water, and other vermin. Follow these steps for a professional finish and a weather tight seal:

1. Measure the Area: Start by measuring the length of the roof cavity where you plan to install the foam infill strips. This will help you determine the exact quantity of strips required to cover all gaps along your roof sheets.

2. Prepare the Strips: Trim each foam strip to the correct length using a sharp blade, taking care not to damage the cell foam. The strips are designed to match the corrugated profile of your Trimdek roof sheets for a perfect fit.

3. Position the Strips: Place each foam infill strip under the roof sheet, aligning it with the bottom profile and ensuring it sits snugly beneath any flashings.

4. Secure the Seal: Press the foam strip firmly into the corrugated profile, making sure it fills all gaps and forms a tight seal against the roofing material. This step is crucial for creating an effective barrier against water, dust, and air infiltration.

5. Repeat as Needed: Continue placing foam infill strips along the entire length of the roof, checking that every section is properly sealed and that no gaps remain in the roof cavity.

6. Final Inspection: Once all strips are installed, review your work to ensure a continuous weather tight seal has been achieved. This will help prevent rust, water ingress, and unwanted pests from entering your roof space.

Please note: These foam strips are not fire retardant. If you require a fire retardant product, or a different profile to suit your roofing, you can shop online or contact the manufacturer to order a custom profile foam infill strip. For best results, review the product description for quantity discounts and follow the checkout process to place your order.

By taking care during installation and ensuring each strip is properly placed, you’ll enjoy long-lasting protection and a neat, professional finish for your Trimdek roofing project.

🔍 Frequently Asked Questions

How long are the foam strips?Each foam strip is 955mm long. To calculate how many you need, divide your required length (in metres) by 0.955 and round up.

Are these foam strips fire retardant?These strips are not fire rated. For bushfire-prone areas, please refer to our fire-retardant alternatives or consult your licensed installer.

Can I get just the foam strips delivered?Absolutely – we offer Australia-wide delivery. Each foam strip is considered an individual item, and you can order as many items as needed. You can choose between Standard and Express postage at checkout, even if you’re not ordering roofing sheets.

Are different profiles and options available?Yes, different profiles and options are shown on the product page for customer selection.

🧰 Pro Tip: Use with top profile infill strips for complete sealing

For total protection, pair these bottom infill strips with our matching top profile foam strips. Together, they help keep your Trimdek roof fully sealed from top to bottom, completing the weatherproofing of your Trimdek roof for complete sealing.