Crawl Space Insulation with PIR Boards: How Does It Work?
Discover how PIR boards can improve insulation beneath your ground floor without necessarily removing the existing flooring.
KNOWLEDGE BASE
Everything you need to know about insulation and renovation
Practical advice and answers to common questions about insulation, façades, damp problems, grants and energy.
Damp Walls: What Causes Them and How Can You Fix Them?
Dealing with damp walls? Learn how to recognise the warning signs, understand the difference between rising and penetrating damp, and find the right treatment for your home.
Render, spray cork, limewash or brick slips: which facade finish is right for your home?
Render, spray cork, limewash or brick slips? Discover the differences in appearance, maintenance and insulation to choose the right finish for your home.
What is the best roof insulation? Materials, thickness and applications compared
Compare glass wool, PIR and EPS roof insulation and learn how insulation thickness, thermal resistance and roof construction determine the right solution.
Cavity wall insulation: disadvantages, risks and common mistakes
Cavity wall insulation can reduce heat loss through external walls, provided the cavity and façade are suitable. Discover the possible disadvantages, risks and common mistakes to avoid.
Which cavity wall insulation is best? Materials compared
Which cavity wall insulation is best? Compare EPS beads, mineral wool and PUR and discover why Nu-Isoleren chooses bonded EPS beads for many existing cavity walls.
How Much Does Cavity Wall Insulation Cost in 2026? Prices per m²
How much does cavity wall insulation cost in Belgium in 2026? Explore our indicative price of €21–€25/m² excluding VAT, cost examples and available renovation support.
From dated façade to eye-catcher: see what render can transform
A dated façade can make an entire property look older. Discover how render can completely transform an exterior, with or without additional insulation.
Cavity wall insulation grants in Belgium in 2026: what support is available by region?
Planning to insulate your cavity walls in 2026? Discover the grants and financial support available in Flanders, Brussels and Wallonia.