If it s aluminium plastic soffit covers you ll have to remove the section where you re installing the receptacle.
Junction box vinyl soffit.
For brick or stucco siding mount the box with masonry anchors.
Simply drive galvanized deck screws through the mounting lugs.
There should now be about 8 inches of neutral wire hanging down from the center of the junction box.
Thu sep 21 2017 1 53 am if you mount the pancake box under the vinyl cover on the osb you run into the problem where it won t be flush with the vinyl block cover.
Compare 18 more 18 more.
White polypropylene mini mounting block for siding model 146100001 10 68 10 68.
Siding mounting kits with built in box.
It should be a snug fit.
Builders edge 6 6875 in x 6 6875 in almond vinyl universal mounting block.
Kit includes mounting block with built in electrical box nm cable connector and learn more.
For vinyl siding over composition board use hollow wall anchors.
If you have lap siding wood hardboard fiber cement or plywood sheathing mount the junction box to the house using exterior grade fasteners.
Another idea would be to put a small piece of of wood in the space of the block to shim out some structure to screw a pancake box into through the vinyl cover.
Install proper bracing a simple 2x4 between the rafters should be fine and attach the electrical box to it.
Many houses today have vinyl or aluminum soffit making it difficult to attach a junction box.
Vinyl or aluminum soffit usually just hangs between a channel on the wall and the fascia.
For vinyl soffits slide the neutral wire through the pvc conduit then slide the pvc just through the hole in the soffit.
Then mark and cut a hole for the electrical box in the soffit cover.
Using 8 sheet metal screws secure the junction box to the soffit.
For smooth vertical mounting of light fixtures on all siding types.