There is the issue with the lintel for the brick veneer, and another structural issue with the header for the garage doors. The contractor will add a laminated beam to reinforce the existing header in the wood frame garage structure, which supports the roof. It is the 16' span of brick veneer...
Having double garage doors converted to one wide door on a house with brick veneer. Mason wants to use 1/2 inch thick angle lag-bolted to structure for new 16' wide lintel. Is there a problem with bolting the lintel to the wood structure of the house?
Two questions now: Why plate aluminum with aluminum? Maybe we should not nickel plate at all, and just leave the aluminum exposed? And second, the aluminum shell is held together with stainless steel screws. Is there a galvanic action between SS and aluminum if we didn't plate?
The part was not wet continuously, but drenched every night with dew and probably frequently with rain (outdoors in central Florida). After lab analysis and microscopic photos, the consensus is that the pre-electroless prep was not adequate, resulting in pits, allowing the cathodic corrosion...
We build sensors of T6065 aluminum and have them nickel plated. One was returned from central Florida with many spots of white corrosion, which appear under a microscope to be growing from a small point where the plating may have been pitted. But since aluminum forms an oxide layer so quickly...
