Section 7: Finishing The Fireplace - Montigo R320STN Installation & Maintenance Manual

Section 7: Finishing the fireplace

Step 1: Remove screws from
perimeter of glass as shown
below. The screws will be used
to fasten the cement board,
provided by Montigo, to the unit
in the finishing stages. Remove
the marked screws above and
below the glass. Place provided
template to check screw hole
positioning. Transfer template
to provided cement board to pre
drill pilot holes. Refer to figures
below for Screw locations.
Step 2: As shown in Figure 4;
Use Cement Board, supplied
by Montigo, to overlap the new
2 x 4's and Non-combustible
Header (front & rear face). Attach
on all sides of the glass, allowing
1/8" clearance from the rim of
the fireplace opening. Top piece
attaches to non combustible
header and fireplace. Bottom
piece attaches to fireplace and
combustible horizontal framing
member. Side pieces attach to
vertical 2x4s.
Step 3: As shown in Figure 5; Cut
standard Drywall / Wall board
to complete the installation of
Both surrounds.
20
Front View
Front View
Figure 10. R320 Fireplace Screw Locations. Both Sides are Typical.
Sheet metal screws to attach Non-Combustible Sheet metal screws to attached Non-combustible cement
board to framing (supplied)
Cement board to Steel header, (supplied by Montigo)
Pre-drill for sheet metal screws to fasten Pre-drill for sheet metal screws to fasten
cement board to framing
cement board to framing
Clearance required
for expansion of the
Clearance required for
fireplace when
expansion of the fireplace
in operation
when in operation
Fasten cement board to unit using
Fasten cement board to unit using
screws removed from existing screw screws removed from unit existing
holes using sheet metal screws
screw holes, and predrilled holes
using sheet metal screws.
Pre-drilled holes Top and Bottom using template for sheet meta
Pre drilled holes Top and Bottom using template for existing sheet metal
screws to fasten cement board to unit using previous screw holes
screws to fasten cement board to unit using previous screw holes
Figure 10.b Fireplace installation (Cut the remainder of Gyproc / Wall board to complete the fireplace surround).
Combustible Drywall / Wallboard
Combustible Drywall or equivalent
(Top, Bottom, Sides)
or Equivalent (Top, Bottom & Sides)
Figure 10.b Fireplace installation (Cut the remainder of Drywall / Wall board to complete the fireplace surrounds) Both Sides Typical.
R320
R320
3 Screws Top
3 Screw Top
&
& 3 Screws
3 Screws
bottom
Bottom
Side View
Side View
Non-Combustible cement board,
Non-combustible cement board (supplied)
(Supplied by Montigo) or Equivalent
Installation
Fasten Cement Board to Non-Combustible
Fasten cement board to unit using screws
Header using sheet metal screws and Unit,
removed from existing screw holes using sheet
using screws removed in step 1 (see gures 1
metal screws
and 2 in Section 3 on page 10).
Height Height
Fasten Cement Board to Unit, using screws Fasten Cement Board to Unit, using screws
Fasten cement board to unit using screws
removed in step 1 (see gures 1 and 2 in removed in step 1 (see gures 1 and 2 in
removed from existing screw holes using sheet
Section 3 on page 10), and to combustible Section 3 on page 10), and to combustible
metal screws
cross members. cross members.
XG0231 - 061120