What Size Furring Strips For Metal Roofs?

Furring strips are thin wood pieces nailed across roof trusses or purlins. They create an air gap under metal roof panels. This air space allows airflow and prevents condensation buildup. Furring strips provide a flat, secure nailing surface for attaching metal roofing panels. They extend the roof’s lifespan by promoting proper ventilation. Proper furring strip size is crucial for metal roofs. Choose thin strips to create sufficient air space. Too thick can impede ventilation and cause problems. What size furring strips for metal roofs? Standard widths range from 1×2 to 1×4 inches. Ensure strips align with roofing specifications for optimal performance. Furring strips create an essential air gap beneath metal roofing, allowing for proper ventilation. This ventilation space is crucial as it prevents moisture buildup, ultimately extending the roof’s lifespan by eliminating condensation issues. Proper installation with correct sizing of furring strips is key to ensuring the effectiveness of sheets of metal roofing.

Comparing Metal Roof And Shingle Roof

Comparing Metal Roof and Shingle Roof:

Furring Strips Installation

To install furring strips for metal roofs, start by measuring and cutting the strips to the required length. Then, attach them perpendicular to the roof rafters using screws or nails. Ensure they are evenly spaced and aligned for a level surface. Once installed, you can then proceed to attach the metal roofing panels to the furring strips using appropriate fasteners.

Tips For Properly Securing Metal Roofing To Furring Strips

Securing metal roofing to furring strips requires proper technique to ensure durability and weather resistance. Here are some tips:

Frequently Asked Questions

What Kind Of Wood Do You Use Under A Metal Roof? Furring strips for metal roofs are typically made of treated pine or cedar for durability and resistance to rot, providing a stable base for the metal panels. What Is The Distance Between Strapping Strips For A Metal Roof? Strapping strips for a metal roof are usually spaced 16 to 24 inches apart to support the panels and distribute weight evenly. What Are Furring Strips Used For In Roofing? Furring strips in roofing provide a level surface for attaching metal panels and create space for air circulation, preventing moisture buildup and improving insulation.


In summary, furring strips are a vital component for metal roofs. They create an air space that promotes airflow and ventilation. This space prevents condensation buildup and extends roof longevity. Correct sizing ensures optimal performance and functionality . When installing furring strips, follow manufacturer guidelines for width and spacing. Use high-quality wood strips for durability. Proper nailing techniques are essential for secure attachment. With the right furring strips, your metal roof will perform efficiently for years.