I bought some fireblock caulk that I plan to seal the gaps around my
prefab fireplace with, but the gaps are large in some places. Do I just
use regular backer-rod, or is there a special heat-resistant kind that
I'm supposed to use? I didn't see anything like that at Lowes today.
True but I would still feel more comfortable with something rated for
higher temps. Most non-exhaust engine components shouldn't see over
230F; the only gasket that ever would would be the head gasket, and that
has metal fire rings around the cylinders.
If an engine uses exhaust manifold or header gaskets (some don't; they
just have an ungasketed iron-to-iron joint between the manifold and
head,) they are of a vastly different composition than the rest of the
gaskets. Aftermarket "high-performance" ones are often just sheets of
replace "roosters" with "cox" to reply.
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