©2018 by A French Address.

How to Insulate your Ceiling

March 14, 2015


As touched upon in the last post, we decided now was the time to go back to basics and focus on the core structure of our apartment.



With correct insulation our home would stay cooler in the summer and warmer in the winter, using less energy for heating thereby spending less money on bills. 



After a bit of research, we realised installing the insulation was something we could do relatively easily ourselves,  so here is our step by step guide to ceiling insulation :


  1. Ensure that the surface you are insulating is clean and dry. You will need to measure the surface space to know how much insulation is necessary;

  2. We purchased fibreglass insulation which is the best type for DIYers and relatively inexpensive. We bought 7m long rolls 100 mm thick from our local DIY store. Each roll cost around 55 €;

  3. Next you must measure the sections you wish to insulate. In our case we were covering long rectangular sections measuring 7m long by 40 cm wide;

  4. For each section, cut the insulation to the approporiate size using a Stanley knive. We gave ourselves an additional 5 cm extra both in lenth and width. Fibreglass is made from very fine strands of glass, and working with it may cause irritation. For this reason, ensure you are wearing goggles, gloves and a mask to protect your eyes, lungs and hands. Also make sure all exposed skin is covered;

  5. Fill in your sections with the insulation, ensuring the raw material is touching the surface you wish to insulate. Make sure there are no voids or gaps then staple the insulation to the surface to hold in place;

  6. When knocking through the old ceiling, we kept the existing wooden strips that ran horizontally between the panels (I’m sure these strips have an ‘official’ name, but after an extensive search on Google I am still none the wiser…if anyone knows then please let me know !) We inserted these strips back between the beams to fully hold the insulation in place;

  7. The final step was to cut the plaster board to size to cover the insulation and effectively create new ceiling panels, keeping the wooden beams exposed. These boards were screwed to the wooden strips using an electric screwdriver. Make sure all electrical cables are in place before completing this step!! 

    And there you have it – easy !


The pictures below should help to illustrate the steps. Don’t hesitate if you have any questions. 









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