What to use to seal off edges corners

[alex5857 10+ year member]

well i was using some liquid nail and just putting some screws in. thats definitley not doing the job as the box is coming out of the seams, ive seen people line the inside edges with fiberglass, does that work best? and what do i need to do that

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[twisztdauthorit 10+ year member]

well i was using some liquid nail and just putting some screws in. thats definitley not doing the job as the box is coming out of the seams, ive seen people line the inside edges with fiberglass, does that work best? and what do i need to do that

 

my guess would be some resin and fiberglass maybe? cheap brushes and some gloves would help too

 

[Mitch86 5,000+ posts]

Use wood glue such a titebond and screws to hold the box together. Silicone caulk can be used to make sure everything is sealed well. Fiberglass and resin would be way more expensive, but has potential to add strength to a box also. If your box is comming apart you need to worry about making it sturdy rather than sealing it up.

 

[alex5857 10+ year member]

i was exaggerating a little, i can just hear the leaks.

so silcone caulk would be good?

 

[mlstrass 5,000+ posts]

If it's not actually coming apart then just caulk all the inner seams....

 

[geowick07 10+ year member]

x3 on the silicone. Be sure it is 100% silicone. That works the best.