Step 7 insert.
Glue pvc to metal pipe.
Pvc cement creates a solvent bond with plastic only and doesn t adhere to metal.
Pvc primer and solvent cement glue comes in round metal cans that have pom pom like applicators built into the container caps.
Modern construction methods use polyvinyl chloride commonly referred to as pvc and metal pipes for pipe needs.
Spread an even layer of solvent pvc cement on the inside of the fitting and outside of the pipe.
Standard pvc is not double check that the primer and glue will work with cpvc.
In the case where the fitting is devoid of a sealing gasket that will compress against the end of the metal pipe you will only use ptfe teflon thread sealing tape as the sealant.
After the pvc pipe is dry you will want to use your pvc glue to cover the end of the pipe.
The first is an all pvc fitting with either male or female threads that will connect to the metal pipe.
You will want to complete this next step while the glue is still wet do not allow the glue to dry or it will prevent the pipes from holding together properly.
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Use a generous amount of glue to do this to ensure a proper bond.
You want to make sure you have an even layer of cement over all mating surfaces.
Glue pvc pipes with solvent cements intended for pvc repair.
You can t glue pvc pipe directly to metal pipe of any type.
Wipe the inside of the fitting and the outside of the pipe with pvc primer.
A first choice of product to stick these is a silicone sealant but this lacks bond strength and in some cases will etch into the pvc due to the aggressive solvent within the silicone.
If your code allows it the pipe can be inserted.
Make sure the products you get are designed for pvc pipe.
Joining a pipe to a pipe fitting requires specially formulated primer and cement no ordinary adhesive but a chemical solvent that melts the surface of the pvc and then quickly re hardens to fuse.
Once the adapter is tight glue a pipe into the other end and you re ready to run the rest of your pvc or cpvc pipe system.
You don t want to crack the plastic.
Chris shows you the proper way to transition from metal to pvc connections.
Just swiping the pipe with cement and pushing on the fitting won t ensure a strong joint.
Push the still wet pvc pipe into the fitting using a bit of force.
If you re working with cpvc pipe which is rated for hot water supply.