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Insulation

Insulation for an energy efficient home

Reduce your energy bills with good quality insulation. Browse the Ganly's selection of sheep's wool, fibreglass, rock wool, cellulose, and eco insulation.

Shop Kingspan insulation, fibreglass, and eco-friendly insulation boards with free delivery across Ireland-trusted by builders for thermal efficiency on attics, walls, and floors to lower heating costs.

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Insulation Ireland – Roof, Wall, Floor & Thermal Insulation Solutions

Whether you're building a new home, upgrading an older property, completing an extension, converting an attic, or managing a housing development, quality insulation is one of the most important investments you can make. The right insulation can help improve comfort, support energy efficiency, and contribute to the long-term performance of your building.

At Ganlys, we supply trusted insulation solutions from leading brands including Kingspan, Knauf Insulation, Rockwool, and Unilin, helping homeowners, self-builders, contractors, architects, and developers choose the right insulation for every project.

Building a new home, housing development, commercial project, agricultural building, or major renovation?

The Ganlys team can assist with quotations, quantity take-offs, specification guidance, product selection, and delivery scheduling.

Call: (090) 643 5300
Email: info@ganlys.ie

Which Insulation Is Right For Your Project?

Different parts of a building require different insulation solutions. Our quick guide helps identify the most suitable insulation for your project.

🏠 Attics & Roofs

Recommended:
Knauf Insulation & Unilin Boards

Ideal for attic upgrades, roof spaces, and energy-efficiency improvements.

🧱 External Walls

Recommended:
Kingspan & Unilin PIR Boards

Suitable for cavity wall and modern construction projects.

🔇 Acoustic Performance

Recommended:
Rockwool Stone Wool

Excellent for sound reduction and thermal insulation applications.

🏗️ New Build Homes

Recommended:
Complete Insulation Package

Combining roof, wall and floor insulation for maximum performance.

Trusted Insulation Brands at Ganlys

Kingspan Insulation

Kingspan insulation boards are widely specified across residential and commercial construction due to their excellent thermal performance and space-saving properties. They are commonly used in roofs, floors, and walls where high insulation performance is required.

Knauf Insulation

Knauf insulation is a popular choice for attic insulation, roof insulation, and wall applications. It is widely used by builders and homeowners looking to improve energy efficiency and comfort levels.

Rockwool

Rockwool stone wool insulation provides thermal and acoustic benefits and is commonly used where sound reduction and fire performance are important considerations.

Unilin Insulation

Unilin insulation boards are trusted by builders and developers across Ireland for roof, wall, and floor insulation applications, helping achieve excellent thermal performance across modern construction projects.

Ganlys Insulation Comparison Guide

Insulation Type Best For
Kingspan PIR Boards Walls, Floors & Roofs
Knauf Insulation Attics & Roof Spaces
Rockwool Acoustic & Thermal Insulation
Unilin Boards High Performance Building Fabric

Popular Insulation Applications

Project Type Typical Ganlys Solution
Attic Upgrade Knauf Insulation
New Build Home Kingspan, Unilin & Rockwool Package
House Extension PIR Board Insulation
Attic Conversion Knauf & Unilin Insulation
Commercial Project Specification-Based Insulation Package
Housing Development Complete Project Insulation Supply

For Homeowners & Self-Builders

If you're building or renovating, choosing the right insulation can have a significant impact on comfort and energy efficiency. Whether you're upgrading an attic, insulating a new extension, or constructing a new home, the Ganlys team can help you select suitable insulation products for your project.

For Builders & Contractors

Builders rely on insulation products every day across residential, commercial, agricultural, and renovation projects. Ganlys supplies trusted brands, competitive pricing, and dependable delivery to help keep projects moving.

For Developers & Large Projects

Large developments require specification compliance, quantity planning, phased deliveries, and dependable product availability. Ganlys supports developers, contractors, architects, engineers, and project managers across housing developments, apartment schemes, schools, healthcare facilities, agricultural projects, and commercial construction.

Need a project quotation?

Our team can assist with insulation schedules, quantity calculations, specification guidance, and delivery planning.

Call: (090) 643 5300
Email: info@ganlys.ie

Why Buy Insulation from Ganlys?

  • Trusted brands including Kingspan, Knauf, Rockwool & Unilin
  • Roof, wall and floor insulation solutions
  • Attic and renovation insulation guidance
  • Suitable for DIY, self-build, trade and developer customers
  • Project quotations available
  • Bulk supply and scheduled deliveries
  • Expert advice from a trusted Irish builders' merchant

Ganlys Expert Recommendations

  • Best For Attics: Knauf Insulation
  • Best For Walls: Kingspan PIR Boards
  • Best For Floors: Unilin Insulation Boards
  • Best For Acoustic Performance: Rockwool
  • Best For New Homes: Complete Insulation Package
  • Best For Housing Developments: Project-Based Supply & Delivery
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