framing must consist of which of the following to support weight around a stairwell opening? double trimmer…

framing must consist of which of the following to support weight around a stairwell opening? double trimmer joists only double headers joists only single trimmer joists and double headers double trimmer joists and double headers

framing must consist of which of the following to support weight around a stairwell opening? double trimmer joists only double headers joists only single trimmer joists and double headers double trimmer joists and double headers

Answer

Brief Explanations:

En la construcción, para soportar el peso alrededor de una abertura de escalera, se necesitan doble viga - remachadora (double trimmer joists) y doble cabecera (double headers) para una estructura más resistente y estable. Las doble viga - remachadora ayudan a transferir la carga y las doble cabecera proporcionan una base sólida.

Answer:

D. double trimmer joists and double headers