Alpha Insulation Insights Blog

Welcome to our energy and insulation advice blog. Stay informed with the latest trends, tips, and insights on insulation, energy efficiency, addressing damp and mould concerns, and passive house design and sustainable building solutions. Our blog offers expert advice, practical guides, and updates on how to improve your home’s comfort and reduce energy costs. Explore our articles to learn more about the best insulation options, how to keep your home energy-efficient, and much more.

Alpha Insulation Icon

cavity wall insulation being input by an insulation contractor

Is it Time to Replace Your Cavity Wall Insulation?

Correctly installed cavity wall installation under the right conditions can deliver excellent energy savings. Unfortunately, poor installation, unsuitable properties, or weather damage can lead to insulation failure. In such cases, removing cavity wall insulation becomes essential to prevent further issues. Cavity wall extraction and replacement is necessary when insulation is defective. Read our step by step guide to insulation extraction and replacement.

A row of modern, two-story suburban houses with red brick and white facades line a quiet street. Sunlight casts warm tones over the scene, suggesting a peaceful evening.

Is Cavity Wall Insulation Commonly Used in Northern Ireland?

Cavity wall insulation has the potential to reduce heating loss by circa 33% but many properties still lack insulation or have fallen foul to ineffective installs. Research indicates a clear need for more property owners in Northern Ireland to adopt energy‑efficiency measures. Rising energy costs are prompting Northern Ireland property owners to improve energy efficiency and reduce long-term costs. Consider your options.

What I need to know

Creating Ventilation with Enertite Open Cell Spray Foam

When it comes to creating energy-efficient, well-ventilated spaces, achieving the right balance between insulation and airflow is crucial. At Alpha Insulation, we specialise in insulation solutions that ensure both effective thermal protection and optimal ventilation. In this post, we’ll explain how open cell spray foam insulation works and why it’s an ideal choice for homeowners and businesses looking to enhance energy efficiency while preventing moisture build up.

Seal in Comfort

Airtight Membranes: Seal in Comfort, Seal In Savings!

Installing an airtight membrane in your new build property can significantly improve energy efficiency and indoor air quality. They can offer numerous benefits in terms of energy efficiency, improved indoor air quality, effective moisture control, and durability, provided they are installed correctly and maintained properly over time. Alpha can install to manufacturers recommendations, complete post works testing to verify performance and ensure building codes and standards are met.

Alpha Insulation Van

Open Cell Spray Foam Concerns: What You Need to Know

There has been a growing concern over the installation of Open Cell Spray Foam to domestic roof structures. Mortgage companies have been hesitant on releasing monies for properties which have had Open Cell Spray Foam installed. Proof of Installation to Manufacturers instruction is required. We have briefly outlined these concerns and explained the processes we employ to reassure our customers of the measures we take to ensure confidence in our installation.

Copyright © 2026 Alpha Insulation Ltd..

Web design in Belfast by SMK Creations