
I
K
g1.4
CINDER BLOCK
SOLID CONCRETE
C
6 of 10 ISSUED: 09-21-11 SHEET #: 125-9245-1
Installation to Solid Concrete or Cinder Block
• WheninstallingPeerlesswallmountsoncinderblock,verifythatyouhaveaminimumof1-3/8"(35mm)ofactual
concrete thickness in the hole to be used for the concrete anchors. Do not drill into mortar joints! Be sure to mount
inasolidpartoftheblock,generally1"(25mm)minimumfromthesideoftheblock.CinderblockmustmeetASTM
C-90specications.Itissuggestedthatastandardelectricdrillonslowsettingisusedtodrilltheholeinsteadofa
hammer drill to avoid breaking out the back of the hole when entering a void or cavity.
• Concretemustbe2000psidensityminimum.Lighterdensityconcretemaynotholdconcreteanchor.
• Makesurethatthewallwillsafelysupportfourtimesthecombinedloadoftheequipmentandallattachedhardware
and components.
WARNING
1
CUTAWAY VIEW
INCORRECT CORRECT
wall
plate
wall
plate
plaster/
drywall
plaster/
drywall
concrete concrete
1
3
2
K
Drill holes and insert anchors (K).
Place plate (C) over anchors (K) and secure with screws (I).
Tighten all fasteners.
C
K
I
concrete
surface
• Tightenscrewssothatwallplateisrmlyattached,
but do not overtighten. Overtightening can damage
screws, greatly reducing their holding power.
• Nevertighteninexcessof80in.•lb(9N.M.).
• Alwaysattachconcreteexpansionanchorsdirectly
to load-bearing concrete.
• Neverattachconcreteexpansionanchorsto
concrete covered with plaster, drywall, or other
nishingmaterial.Ifmountingtoconcretesurfaces
coveredwithanishingsurfaceisunavoidable(not
evaluatedbyUL),thenishingsurfacemustbe
counterbored as shown below. Be sure concrete
anchors do not pull away from concrete when
tightening screws. If plaster/drywall is thicker than
5/8"(16mm),customfastenersmustbesupplied
by installer (not evaluated by UL).
WARNING
Make sure that wall plate (C) is level, use it as a
template to mark four mounting holes. The top mounting
holeshouldbe2.5"(64mm)abovethedesiredscreen
centerasshowningure1.1onpage4.Drillfour5/16"
(8mm)dia.holestoaminimumdepthof2.5"(64mm).
Insert anchors (K)inholesushwithwallasshown
(right). Place wall plate over anchors and secure with
#14x2.5"screws(I). Level, then tighten all fasteners.