Fastening MDF edge to edge
- Thread starter mdfvirgin
- Start date
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you would probably be better to biscuit joint it. Or you can use a pucket screw, ie going in at an angle.
Andy
Andy
ok assuming 12mm mdf and but joining mdf a right angles use a 3.2 or 3.5 drill with a 6 by 1.5 inch screw
drill the hole full depth of the screw
use the screwdriver bit as a countersink
avoid screwing within the last inch to avoid delamination
if it delaminates remove the screw pump in wood glue place a clamp over the area to fully support and screw together
drill the hole full depth of the screw
use the screwdriver bit as a countersink
avoid screwing within the last inch to avoid delamination
if it delaminates remove the screw pump in wood glue place a clamp over the area to fully support and screw together
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Hi America
If you use MDF with edge to edge fixings with metal screws in a damp or even slightly damp room the edges will blow open within 12 months due to surface seal break.
Dont use screws at all
Take an 8mm drill bit with a centreing jig you make yourself, fir to the edge of mdf and drill out approx 12mm very carefully and at low speed to stop the burning. Do the same to the female piece.
Using 8mm dia moulding or core plugs and exterior pva wood glue, liberally fill drilled holes, fit plugs, spread excess over joining surface and mate your 2 pieces.
clamp up as tight as you can and wipe of any seapage - make sure the join has glue showing all round as this will also provide a watertight seal.
patience, good tools and a good aim with the drill bit - works every time
cheers
If you use MDF with edge to edge fixings with metal screws in a damp or even slightly damp room the edges will blow open within 12 months due to surface seal break.
Dont use screws at all
Take an 8mm drill bit with a centreing jig you make yourself, fir to the edge of mdf and drill out approx 12mm very carefully and at low speed to stop the burning. Do the same to the female piece.
Using 8mm dia moulding or core plugs and exterior pva wood glue, liberally fill drilled holes, fit plugs, spread excess over joining surface and mate your 2 pieces.
clamp up as tight as you can and wipe of any seapage - make sure the join has glue showing all round as this will also provide a watertight seal.
patience, good tools and a good aim with the drill bit - works every time
cheers
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