Best way to seal holes in brick??

[wantboost]

What do u guys use to seal holes for mini split systems , ac or 636 pipe ?

[Admin]

Mortar or silicone.

[walker]

I like to run the lines through a 2"pvc pipe and then silicone around everything.

[scarey8]

Mulco brand, or thermoplastic sealant.  Can often be found in most brick or siding colours.  Expands and doesn't crack like silicone sealants.