amadolabonte 7 Posted June 26 Report Share Posted June 26 On 03/02/2025 at 19:24, Greyman said: Just saw this and thought of your post Read more..... Spray foam would give you better air sealing and insulation performance in the 2-inch gap, especially if your shed isn’t perfectly tight. However, it’s more expensive and harder to DIY. Kingspan sheets (rigid foam boards) are more affordable and easier to install yourself, but you'll need to cut and fit them precisely and seal the edges well to avoid air leaks. If budget allows, spray foam is more effective. Otherwise, Kingspan with good sealing can still work well. Quote Link to post Share on other sites
Greyman 31,217 Posted June 26 Report Share Posted June 26 34 minutes ago, amadolabonte said: Spray foam would give you better air sealing and insulation performance in the 2-inch gap, especially if your shed isn’t perfectly tight. However, it’s more expensive and harder to DIY. Kingspan sheets (rigid foam boards) are more affordable and easier to install yourself, but you'll need to cut and fit them precisely and seal the edges well to avoid air leaks. If budget allows, spray foam is more effective. Otherwise, Kingspan with good sealing can still work well. Think the shed is well finished now and occupied by a lovely Romanian family Quote Link to post Share on other sites
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