Roofing Systems & 
Materials

Choosing the right roofing system can be confusing, especially with so many materials on the market. Flat roofs can be covered with felt, rubber (EPDM), GRP, or other options — but for many homeowners and businesses in Lanark, felt remains the most reliable and cost-effective choice.

 

At Flat Roofs Lanark, we’ve installed and maintained flat felt roofs for over 40 years. Here’s what you need to know to make the best decision for your property.

 

 

 

 

1. Understanding Felt Roofing Systems

 

 

Not all felt roofs are the same — there are several types designed for different sizes and needs:

 

• Single-layer felt: Ideal for small structures like sheds or garages.

• Double-layer felt: Offers extra durability for medium-sized roofs.

• 3-tier felt system: The most robust option, combining underlay, high-quality insulation boards, overlay, and a mineral-finished top layer.

 

 

💡 Tip: The 3-tier system provides long-term protection, excellent insulation, and superior weather resistance. It’s the preferred choice for large or exposed roofs.

 

 

 

 

2. Why Felt Over Other Materials?

 

 

You might wonder why felt is often chosen over rubber (EPDM) or GRP:

 

• Felt is easier to repair and maintain, even after many years.

• Felt adapts well to different roof shapes and sizes.

• It provides excellent waterproofing and UV resistance.

• Felt systems can be insulated to help reduce heat loss in winter and keep your building cooler in summer.

 

 

💡 Tip: Rubber or GRP can work for some projects, but felt remains more flexible, easier to patch, and often more cost-effective for long-term performance.

 

 

 

 

3. Choosing the Right System for Your Property

 

 

The “best” system depends on your property size, condition, and your goals:

 

• Small garden sheds: Single-layer felt is usually sufficient.

• Garages or extensions: Double-layer felt adds extra protection.

• Large or exposed roofs: A 3-tier system is recommended for maximum durability and insulation.

 

 

A professional roofer can assess your roof, recommend the most suitable system, and explain how insulation boards and mineral finishes enhance performance.

 

💡 Tip: Consider your roof’s exposure to weather and the number of previous repairs when choosing a system.

 

 

 

 

4. Long-Term Value

 

 

A high-quality felt roof is more than just waterproofing — it’s an investment in your property:

 

• Reduces heat loss and energy bills

• Protects against leaks, damp, and structural damage

• Requires minimal maintenance when installed correctly

• Can last 25 years or more with proper care

 

 

💡 Tip: Don’t just look at initial cost — long-term durability and reduced maintenance costs make felt one of the smartest roofing choices.

 

 

 

 

Final Advice

 

 

Felt roofing offers versatility, durability, and long-term protection — which is why it remains the preferred option for flat roofs in Lanark.

By choosing the right system and installing it professionally, you’ll have a roof that keeps your property safe, energy-efficient, and low-maintenance for decades.

 

If you’re unsure which system suits your property best, contact Flat Roofs Lanark today for free, no-obligation advice and a quote.