I applied clear sealant at the threaded PVC connections into the metal junction boxes. GE Advanced clear silicone was included in the materials for that roof-routing session.
PVC fittings and cable entries at one of the metal boxes in my roof route.
Why I bought it
The roof wiring used both PVC pipe joints and threaded entries into boxes. My materials included PVC cement and clear silicone for different parts of that assembly.
The diary identifies clear sealant at the PVC male-thread connections into junction boxes. That is the use recorded here, alongside the work on the pipe and cable fittings.
How I used it in my camper van
I fitted male-thread PVC connectors and cable glands to the metal junction boxes. I applied PVC cement at the pipe connections and clear sealant at the threaded box entries.
That session also involved mounting conduit with metal ties and preparing the larger opening into the van. The sealant application belonged to the individual box connections along the route.
The pipe, box and mounting arrangement beside the rack.
My review
The useful distinction in my build was keeping the pipe-joint and threaded-entry tasks separate. Both happened during assembly, but I recorded different materials for them.
My photos show how the pipe and fittings entered the small box. The sealant was one consumable within that larger process of drilling, fitting, wiring and mounting.
I used PVC cement at pipe joints and clear sealant at the threaded entries into boxes.
Alternative products
Two alternatives to compare
The Gorilla alternative comes in a caulking-gun cartridge, while DAP provides a small squeeze tube. Both are clear silicone products with different dispensing formats. Container size and nozzle handling are useful distinctions for a small joint-application task.
Gorilla Clear Silicone Caulk
This clear silicone sealant comes in a caulking-gun cartridge. The nozzle provides a dispensing format for applying a bead along a joint.
This clear silicone adhesive sealant comes in a small squeeze tube. Its compact dispensing format provides another option for small sealing and bonding jobs.