This building is made of reinforced concrete, so the wind and rain have very little effect on it.
This building is made of ferro concrete, so it stands up well against wind and rain.
ーThis building is made of reinforced concrete, so the wind and rain have very little effect on it.
「この建物は鉄筋コンクリートで作られているので、雨風に強い」
the wind and rain have very little effect on it「風と雨はごくわずかな影響しか与えない」＝「雨風に強い」と表現できます。
ーThis building is made of ferro concrete, so it stands up well against wind and rain.
「この建物は鉄筋コンクリート製なので、雨風に強い」
it stands up well against wind and rain「風と雨に対してよく持ちこたえる」＝「雨風に強い」とも言えますよ。
ご参考まで！
カナダ 
