Create a new lintel beam using steel angles.
First you saw cut the length of the opening plus 4" on each side of the opening (before you saw cut the entire opening). Then you install your steel on both sides and thru-bolt it. And finally you can saw cut the opening. You can use steel channels...
Create a new lintel beam using steel angles.
First you saw cut the length of the opening plus 4" on each side of the opening (before you saw cut the entire opening). Then you install your steel on both sides and thru-bolt it. And finally you can saw cut the opening. You can use steel shannels...