I d try a polyurethane based glue like gorilla glue or maybe a two part epoxy.
Adhesive pvc to wood.
Then sand the holes to make it smooth.
Gorilla glue is a popular brand nowadays and people trust their products and i noticed that people specifically asked if gorilla glue made any products that would bond pvc to wood and they do.
Drill a hole in the top of the rail and put the screws through it.
For plastic to wood the best is a solvent based glue that will melt the plastic and make a chemical bond.
Wood wood dry.
To adhere plastic to wood try using heavy duty super glue like loctite or gorilla glue.
But since nearly half of wood glue is water you re left with a lot of gaps in the bond once the glue dries.
It will only take a couple of minutes until it has cooled down.
Gorilla glue sells a couple of different kinds of super glue one standard version and another gel version that would work well to bond wood and the pvc together but remember that using this type of glue would be more of a temporary joint in my opinion and wouldn t hold up as well if it.
Try a glue intended for melamine wood adhesion.
Roo glue is one brand.
Wood glue wood glue is fine mostly because of its price.
Dries hard almost glassy.
Mix equal parts resin and hardener together in small quantities according to the manufacturer s instructions.
If you use gorilla glue make sure to clamp the joint since it expands 3 4 times in volume while curing.
After a couple of hours the super glue should be set.
Glue free self adhesive pvc floor leather home wear thick concrete floor stickers affixed to plastic floor bedroom green waterproof plastic floor hospital office commercial stickers to glue wood thickness 14 1 8mm 1 2mm.
Two part epoxy epoxy is an especially useful adhesive for the bonding of smaller plastic pieces to wood glass metal and other materials used in crafting and other applications.
Fastenmaster is an american based manufacturer of structural wood screws composite deck screws hidden deck and trim fasteners hidden deck clips autofeed screw systems and hot melt construction adhesives.
Standard pva wood glue and liquid nails are a little out of their element for gluing wood to pvc.