Are you a professional builder or architect planning your next project? Or maybe you’re a DIY enthusiast preparing a home upgrade? If so, Beesley and Fildes have everything you need.

When it comes to insulation for commercial and residential buildings, PIR insulation is a great choice. Its thermal qualities and thickness are ideal for upgrading the energy efficiency of any building.

Stick with us to find out more about PIR insulation and its benefits. You can browse our PIR insulation today for high-quality boards made from polyisocyanurate (PIR) foam core and composite aluminium foils.

What is PIR Insulation?

PIR insulation, also known as Polyisocyanurate insulation, is a type of foam used to insulate various types of buildings.

This is part of the thermoset plastic family, differentiated by its manufacturing process and composition. A chemical reaction between a polyol and an isocyanate creates the polymer.

Then catalysts and blowing agents are added, expanding the foam and turning it into a rigid structure. The modification of the chemical formula makes PIR insulation unique as it enhances its fire resistance.

The Benefits of PIR Insulation

There are various benefits of PIR insulation which make it a popular choice within the construction industry. Some of these include:

Thermal Efficiency

PIR insulation offers a higher insulation value per inch compared to other options, requiring only thin panels for great thermal efficiency.

Its low thermal conductivity traps heat, leading to savings on energy bills and reducing the demand for heating and cooling systems.

Fire Resistance

When exposed to fire, PIR forms a char layer to slow the spread of flames. This is ideal for various types of buildings, including homes, schools, offices, and hospitals.

Durability and Longevity

PIR has great structural integrity, meaning it lasts for years, maintaining its insulation efficiency.

This is resistant to degrading, reducing the need for repairs or replacements over time.

Quick and Easy Installation

PIR insulation comes in various forms, including boards, panels, and laminated products.

Its lightweight design makes it easy to cut and manoeuvre, perfect for projects both big and small. Its quick installation is also ideal for work that is under a time constraint.

Moisture and Mould Resistance

The closed-cell structure of PIR insulation helps to resist water absorption, protecting buildings from growing mould.

This improves the air quality and integrity of the building.

When can PIR Insulation be Used?

Due to its versatile nature, PIR insulation can be used for a wide range of applications.

Some of these include:

Roof insulation: PIR insulation can be used for flat roofs to support the waterproof membrane and provide strength for places with heavy foot traffic. It can also be used between or above rafters in pitched roofs to eliminate thermal bridging.

Floor insulation: This insulation can be laid underneath concrete slabs or screeds to reduce heat loss through the floors. It can also be installed between joists of suspended timber floors to prevent draught.

Wall insulation: PIR insulation can be used in cavity walls to enhance thermal efficiency without reducing space. It can also be used for external and internal wall insulation to improve thermal performance.

Basements and cellars: This insulation can be used to keep basements and cellars dry, preventing moisture accumulation and mould.

Installation Tips for PIR Insulation

As a general consensus, when cutting PIR insulation, use a sharp fine-toothed saw for clean cuts.

Use tapes and sealants compatible with PIR insulation to seal joints and edges around windows and doors. Ensure you use appropriate mechanical fixings and adhesive to secure the PIR boards in place.

Invest in High-quality PIR Insulation with Beesley and Fildes

At Beesley and Fildes, we understand how important thermal efficiency is when it comes to building construction.

That is why we sell durable and effective PIR insulation for all of your building needs. Whether you need to insulate your floorboards or you’re adding a new loft conversion, our PIR insulation can keep your home protected from moisture and excessive heat.

Browse our building materials below for affordable products for every project.