background image

32

Appendi

xI

For installations regulated by the International Residential Code, the

 

support foundation for the fireplace

installed

on

concrete

shal

l

consist

of

am

inimum

of6i

nche

st

hick

reinforced

concrete slab.  The minimum specified compressive strength of

 

f’

c

,s

hall

be

as

required in Table R402.2 of t

he International Residential Code (IRC).  Concrete subject to

moderate or severe weatherin

g as indi

cated

in Figure R301.2(3) of the

 International Residential Code (IRC) shall be air en

trained

as

specified

in

Tabl

eR

402.

2o

ft

he

International

Residential

Code

(IRC).

The

maxi

mum weight of fly ash, other pozzolans, silica fume, slag or blended cement

s that is included 

in

concrete

mixtures for garage 

floor slabs and for exterior porch

es

, carport slabs and steps that will

be exposed

to deicin

gc

hemica

ls

shall not exceed the percentages of the total weight of cementitious

materials specified

 in Section 4.2.3 of ACI 318. Materials

 

used to

 

produc

ec

oncrete

and

testin

gt

hereo

fs

hall

comply

with

th

ea

pplicable stand

ards listed in Chapter 3 of ACI 318.

For installations regulated by the International Building Code 

(IBC), the support foundation for the fireplace installed on co

ncrete

shall c

onsist of a minimum of 6 inches thick reinforced concrete

slab.

  The

 concrete

strength

 and

 durability

 shall

 comply

 with

 S

ections

1903, 1904 and 1905 of the Internat

ional Building Code (IBC)

.

TABLE R402.2 MINIMUM SPECIFIED COM

PRESSIVE STRENGTH OF CONCRETE

MINIMUM

SPECIFIED

COMPRESSIVE

STRENGTH

a

(

f’

c

)

Weathering Potentia

l

b

TYPE

OR

 LOCATION

 OF

CONCRETE CONSTRUCTION 

Negligible

Moderate

Severe

Basement walls, foundations and othe

r concrete

not

exposed

to

th

ew

eather

2,500

2,500

2,500

c

Basement slabs and interior slabs on grade,

 except garage floor slabs 

2,500

2,500

2,500

c

Basement

walls,

foundatio

nw

alls,

exterio

r walls and other vertical concre

te 

work exposed to the weather

2,500

3,000

d

3,000

d

Porches, carport slabs and steps exposed to the weather, and

garage

floor

slab

s2

,500

3,000

d,e,

f

3,500

d,e,

f

a.

Strengt

ha

t2

8d

ay

sp

si.

b.

Se

eF

igur

eR

301.2(3)

fo

rw

eathering potential.

 

c.

Concrete

in

these

location

st

ha

tm

ay

be

subject to freezing and thawing during construc

tion shall

be

air-entrained

concrete in

 

accordanc

e

with

Footnote

d.

d.

Concrete

shall

be

air-entr

ained

.T

otal

air

conten

t(

percent

by

volu

me of c

oncrete) shall be not less than 5 percent or 

more

 th

an

7 percent.

 

e.

See

 Section

 R402.2

 for

 maximu

mc

ementitious

materials

 content.

f.

For

garag

ef

loor

sw

ith

a

steel

troweled

finish, reduction of

th

et

otal

air

content (percent by volume of concrete) to not less than

3 percen

ti

s permitted

if

the

 specified

compressive strength of the concrete is increased to not less than 4,000 psi.

Summary of Contents for MFP-33

Page 1: ...OR LOCAL DISTRIBUTOR SAVE THIS BOOK This book is valuable In addition to instructing you on how to install and maintain your appliance it also contains information that will enable you to obtain replacement parts or accessory items when needed Keep with your other important papers Do not store gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance REV OCT 201...

Page 2: ...THIS PAGE INTENTIONALLY BLANK ...

Page 3: ...T REMOVE THIS LABEL WARNING Use only approved listed Chimney Pipe as follows MFP33 39 44 UL103 12 Class A DM12 12 FMI 12 chimneys MFP49 UL103 14 Class A Please refer to pipe manufacturer s installation instructions Chimney Height Max 40 ft Min 14 ft 17 ft with 1 or 2 offset sections maximum WARNING THIS FIREPLACE HAS NOT BEEN TESTED WITH AN UNVENTED GAS LOG SET TO REDUCE THE RISK OF FIRE OR INJURY...

Page 4: ...s Non Combustible Floor Systems 3 7 14 2 13 8 4 9 5 6 15 21 16 12 1 10 11 1 11 19 25 5 14 15 13 17 10 18 20 12 9 17 2 21 16 3 4 6 7 8 A 24 22 SCALE 1 8 DETAIL A 23 See Page 16 thru 18 for combustible floor and framing anchoring illustrations Figure 2 Figure 1 ...

Page 5: ...P33 6A LINTEL FRONT 1 9 MFP33 6B T BAR STEEL 1 10 MFP49 7 DOME SIDE LOWER 2 11 MFP49 8 DOME SIDE UPPER 2 12 MFP33 9 DOME TOP 1 13 MFP33 10 DOME FRONT REAR 2 14 MFP521 RATING PLATE 1 15 NOT SUPPLIED 12 INCH DAMPER ANCHOR PLATE 1 16 NOT SUPPLIED ANCHOR PLATE INSULATION 1 17 MFP4 AK OUTSIDE AIR KIT 4 DIA 1 18 MFPB33 METAL BASE 6 INCH HIGH 1 19 NOT SUPPLIED CEMENT BOARD 1 20 MFPSB ASSY FLOOR JOIST BRA...

Page 6: ...tems Non Combustible Floor Systems 20 DETAIL A 21 SCALE 1 8 22 18 3 1 11 12 10 3A 8 13 9 4 6 7 19 6B 5 6A 2 14 3 14 17 1 6A 4 6B 7 12 13 16 19 9 8 5 10 6 3A 11 2 15 A Figure 3 Figure 4 See Page 16 thru 18 for combustible floor and framing anchoring illustrations ...

Page 7: ... 1 6A MFP39 6A MFP44 6A MFP49 6A LINTEL FRONT 1 6B MFP39 6B MFP44 6B MFP49 6B T BAR 1 7 MFP39 7 MFP44 7 MFP49 7 DOME SIDE LOWER 2 8 MFP39 8 MFP44 8 MFP49 8 DOME SIDE UPPER 2 9 MFP39 9 MFP44 9 MFP49 9 DOME TOP Ø12 DOME TOP Ø12 DOME TOP Ø14 1 10 MFP39 10 MFP44 10 MFP49 10 DOME FRONT REAR MIDDLE 2 ITEM P N DESCRIPTION QTY 11 MFP521 RATING PLATE 1 12 NOT SUPPLIED ANCHOR PLATE 1 FIBERGLASS INSU LATION ...

Page 8: ...5 2 15 8 14 11 9 8 13 1 20 4 14 3 3A 10 18 2 19 16 1A 17 15 6 5 12 7 2 A See Page 16 thru 18 for combustible floor and framing anchoring illustrations MFP 63 Fireplace Parts Diagrams Combustible Floor Systems Non Combustible Floor Systems Figure 6 Figure 6 ...

Page 9: ...4 DOWN DRAFT DIVERTER 2 PC 1 set 5 MFP63 5 DOME REAR LOWER 1 6 MFP63 6 LINTEL 1 7 MFP63 7 DOME SIDE LOWER UPPER 4 8 MFP63 8 DOME SIDE MIDDLE 2 9 MFP63 9 DOME TOP FOR 16 CLASS A CHIMNEY 1 10 MFP63 10 DOME FRONT REAR MIDDLE 2 11 MFP63 11 DOME FRONT REAR UPPER 2 12 MFP521 RATING PLATE MFP63 1 13 NOT SUPPLIED Ø16 DAMPER ANCHOR PLT 14 NOT SUPPLIED INSULATION BLANKET 15 MFP4 AK 4 INCH DIA OUTSIDE AIR KI...

Page 10: ...is on combustible floor the total fireplace height will increase ALL DIMENSIONS ARE IN INCHES ALL DIMENSIONS ARE MINIMUM MORTAR THICKNESS MAY ADD A TOTAL OF UP TO 1 INCH TO THE OVERALL HEIGHT Important 2 inch minimum clearance to combustibles from the Dome Top must be maintained Note MIN 46 68 1 2 9 1 2 B B A A SECTION B B 38 1 8 30 1 4 15 4 1 2 35 7 3 4 3 7 3 4 SECTION A A 67 63 62 52 1 2 23 7 21...

Page 11: ... combustibles from the Dome Top must be maintained Note If your installation is on combustible floor the total fireplace height will increase due to the addition of the required metal platform SECTION J J REFRACTORY LINING NOT SHOWN B C 4 1 4 10 A 4 E 23 Fireplace Overall Dimensions MFP 39 44 49 Fireplace Overall Dimensions Model A B C D E F MFP 39 43 39 28 1 2 27 38 Ø12 1 4 MFP 44 48 44 33 1 2 32...

Page 12: ...gure 11 WARNING Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this appliance may result in property damage or personal injury Fireplace Framing Dimensions Model W MFP 33 41 MFP 39 47 MFP 44 52 MFP 49 57 MFP 63 71 MAINTAIN THE 2 CLEARANCE TO COMBUSTIBLES ABOVE THE DOME DO NOT ATTACH COMBUSTIBLE MATERIALS ON TOP OF THE DOME 1 ...

Page 13: ...ion You will note that there will be a gap between the fireplace front and the extension of the non combustible hearth material Be certain that you seal this with non combustible material 1 8 MIN 2 MIN 2 MIN 8 MIN 1 0 MIN 8 MIN 1 0 MIN NON COMBUSTIBLE FACING MATERIAL HEARTH EXTENSION Not provided as part of fireplace NON COMBUSTIBLE Not provided as part of fireplace or sold by MFI A MINIMUM CLEARA...

Page 14: ...E TO COMBUSTIBLES SECTION A A DET C MAINTAIN 2 CLEARANCE TO WOOD FRAMING MAINTAIN 2 CLEARANCE TO WOOD FRAMING METAL PLATFORM H3 METAL PLATFORM H3 NON COMBUSTIBLE FLOOR H2 1 2 CEMENT BOARD 1 2 CEMENT BOARD H5 1 INCH THICK CERAMIC FIBER INSULATION BLANKET FLOOR JOIST BRACE MODEL W1 H1 H2 H3 H4 H5 MFP 33 41 32 1 2 56 1 4 7 39 1 2 63 1 4 MFP 39 47 40 1 2 64 1 4 7 47 1 2 71 1 4 MFP 44 52 40 1 2 64 1 4 ...

Page 15: ...sonry Fireplace is a modular refractory masonry unit designed for field assembly The firebox is constructed using pre cast interlocking refractory blocks The blocks are then secured to each other using Mortar The system includes all parts necessary for the assembly of a complete masonry fireplace In addition to the basic enclosure a standard 1 1 8 thick high temperature refractory brick is require...

Page 16: ...gth of the floor on which it rests Chimney system measurements Choice of materials and craftsmanship in fireplace and hearth finishing Figure 16 Typical Installations Internal Wall Installation Corner Installation Flush Installation Full Projection Installation Note that each of these topics will be covered in detail and that the installer is expected to understand each phase completely before goi...

Page 17: ... intended as a supplemental heat source only It is not intended as a primary heat source 3 It is the responsibility of the contractor installer not the manufacturer to ensure that adequate combustion air is provided for proper function of this fireplace Fireplaces take up a large volume of replacement air from outside the house and if the house is of airtight construction smoke spillage may occur ...

Page 18: ...ote that additional floor joists may be required to support the weight of the firebox and chimney Where the floor joists run parallel to the front of the firebox anchorage can be accomplished in like manner as shown in Figure 18 using blocking between the floor joist For floors supported by I Joists the method of anchorage is illustrated in Figures 19 and 20 Figure 23 illustrates the general arran...

Page 19: ...cations Some chimney systems can weigh up to 50 lbs per lineal foot Table II Deflection Limits Construction L S or W D L1 Floor Members I 360 I 240 1 For wood structural members having a moisture content of less than 16 per cent at time of installation and used under dry conditions the deflection resulting from L 0 5D is permitted to be substituted for the deflection resulting from L D Note that M...

Page 20: ...o strips are used make sure they overlap at least two inches in the middle The strip is placed about 2 into the underside of the platform at the front Note When using an on site constructed hearth extension you may use a sand cement grout between the hearth and extension instead 6 Metal Base MFP 33 39 44 49 The Mason Lite Metal Base ensures the minimum six inch clearance above combustible flooring...

Page 21: ... 3 8 rebar x 26 long included with unit Six 6 ea All thread x 12 long with nuts and washers Metal base 6 inch MFP39 Six 6 pieces 3 8 rebar x 34 long included with unit Six 6 ea All thread x 12 long with nuts and washers Metal base 6 inch MFP44 49 Eight 8 pieces 3 8 rebar x 34 long included with unit Eight 8 ea All thread x 12 long with nuts and washers Metal base 6 inch MFP 63 Ten 10 pieces 3 8 re...

Page 22: ...either side depending on which side is accessible to outside combustion air all diagrams in this manual show the combustion air inlet hole on the right side Prepare side wall and rear wall mating surfaces with the prepared mortar and begin assembly 7 Keep the assembly of the next sections of the firebox side walls moving up keeping components moist mixing mortar as you need it and threading the mo...

Page 23: ...ctions given previously for using MASON LITE mortar Stop to look at the smoke dome side front and rear walls to see that they are aligning correctly and that the surfaces are smooth and uniform Make sure connections are covered with an adequate amount of mortar Remember that you have the option of using shims but they must be removed and any holes filled Make any adjustments to the fireplace align...

Page 24: ...face lines up with the inward angles of the lintel sides Resulting top surfaces should be level 18 Verify that the Smoke Dome side front and rear walls are aligning correctly and that mating surfaces are smooth and uniform Make sure connections are covered with an adequate amount of mortar Remember that you have the option of using shims but they must be removed and any holes filled Make any adjus...

Page 25: ...o the remaining Hearth except this time apply beading on surface to be facing floor as shown in Figure 42 26 Before installing side walls confirm placement of outside combustion air access if required this can be installed either side depending on which side is accessible to outside combustion air all diagrams in this manual show the combustion air inlet hole on the right side 27 Prepare side wall...

Page 26: ...he base plate Once leveled fill any resulting gaps with mortar Important Adjustments can only be made while the mortar is still wet when correcting for squareness and leveling 33 Assemble Dome Sides MFP63 7 as shown in Figure 49 The beveled face lines up with the inward angles of the lintel sides Top surfaces should be level 34 Position Middle Domes MFP63 10 so that outer faces are flush to the lo...

Page 27: ... Dome Top MFP63 9 into position Be sure that it is flush in every direction as you place it on the crest of the smoke dome wall assembly Note that the chimney hole on the Dome Top is not centered from front to back it should be offset closest to the rear of the fireplace see Figure 52 Figure 52 Center of Ø16 chimney hole is offset towards the rear 10 12 1 2 MFP 63 39 Now that you have completed th...

Page 28: ...ection If using Masonry Chimney consult your local codes Figure 56 Optional Damper Support Sides Optional Damper Plate by others Optional Damper Support Rear Attention Clearance to combustible construction cannot be reduced during course of construction For the safe operation of the finished fireplace these clearances must be followed when building the framework for the chimney system Note that th...

Page 29: ... firebrick may crack see Figure 60 The pattern for the firebrick lining is exclusively your choice Before you install the lining remember to consider any holes your contractor may need to drill for gas electrical or combustion air kit access holes Please use a certified mason to lay in the brick He will follow the proper instructions from the fireplace liner manufacturer and also understand the ty...

Page 30: ...d MFI cannot be responsible for the make up of material on the exterior of the fireplace you have chosen nor can MFI be held responsible for the materials in a room that may be responding negatively to heat However in almost all cases there is a solution to the problem either by making adjustments to airflow or the modifications to the room itself Installing Outside Air The Mason Lite Fireplace ne...

Page 31: ...fill the chimney enclosure LINEAL GAIN PART NO DESCRIPTION GAIN Mason Lite Fireplace 66 1 2 12 12DM Pipe Section 10 5 8 12 12HT 18 12DM Pipe Section 16 5 8 18 12HT 24 12DM Pipe Section 23 5 8 24 12HT 36 12DM Pipe Section 34 5 8 36 12HT 48 12DM Pipe Section 46 5 8 48 12HT RLT 12D Round Termination 7 3 4 RLT 12HT STL 12D Square Chase Top with Slip Section 7 to 15 The lineal gain for the terminations ...

Page 32: ...in the fireplace under any circumstances First Lighting of the Mason Lite After construction is completed all elements of the fireplace and chimney system must be completely dry This means that the unit must stand without any firing for a minimum of 28 days Only after that period of time can a first lighting take place The first fire must be small and well controlled started with a small amount of...

Page 33: ...the top of the section downward to the elbow Then clean from the firebox up to the offset return section Make sure to cover the floor of the fireplace and out to the hearth with a damp sheet that has been taped securely in place When all the soot has settled remove the sheet and vacuum up Don t sweep the excess soot Never use any chemical cleaners when cleaning the chimney system since their resid...

Page 34: ...oncrete slab The concrete strength and durability shall comply with Sections 1903 1904 and 1905 of the International Building Code IBC TABLE R402 2 MINIMUM SPECIFIED COMPRESSIVE STRENGTH OF CONCRETE MINIMUM SPECIFIED COMPRESSIVE STRENGTH a f c Weathering Potential b TYPE OR LOCATION OF CONCRETE CONSTRUCTION Negligible Moderate Severe Basement walls foundations and other concrete not exposed to the...

Page 35: ...ely b Lines defining areas are approximate only Local conditions may be more or less severe than indicated by region classification A severe classification is where weather conditions result in significant snowfall combined with extended periods during which there is little or no natural thawing causing deicing salts to be used extensively ...

Page 36: ...n this warranty makes MFI or any affiliate thereof liable in any respect for any injury or damage to the building or structure in which the fireplace has been installed or to the persons or property therein arising out of the use misuse or installation of properly manufactured MFI products The fireplace must be used in accordance with operating instructions The grate or andirons must be installed ...

Page 37: ...Masonry Fireplace Industries LLC 6391 Jurupa Ave Riverside CA 92504 ...

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