Dwell Japan provided editorial supervision for a comprehensive guide on home insulation reform published by "And Reform." Learn key technical insights, UA value considerations, and insulation materials like glass wool and urethane foam for your home in Japan. 【お知らせ】アンドリフォーム様にて公開された「断熱リフォームガイド」の監修を担当いたしました。断熱材選びや性能値（UA値）の考え方について専門的な視点から解説しています。

A Practical Guide for Foreign Residents Considering Homeownership Introduction: The Question Almost Everyone Asks “Can I get a mortgage in Japan without Permanent Residency?” For many foreign residents, this question appears early in the home-buying journey. It is often followed by a discouraging answer: “If you don’t have PR, it’s impossible.” In practice, the situation is more nuanced. Permanent Residency (PR) can make mortgage screening smoother in many cases. However, it