请问湾区的地主们，家里车库门都是装的单层双层啊？感觉湾区的气温不用车库门有insulation？

另外有经济实惠的车库门厂家或者师傅推荐吗？多谢多谢！

Insulation needed. Garage can get very hot in summer without insulation. Yelp Five Stars Garage Door Service. I used them twice, fair price, fair service.