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Masonry Firebox

 

 

Model MFPST-43

 

 

 

Instructions

 

 

 
 

THIS WOOD-BURNING FIREPLACE COMPLIES WITH UL127 STANDARD AS A FACTORY-BUILT APPLIANCE.

 

 

A

WARNING: 

THIS FIREPLACE IS APPROVED FOR USE AS A WOOD BURNING FIREPLACE. 

IT HAS NOT BEEN TESTED OR APPROVED FOR UNVENTED GAS LOGS.

 

 

A

WARNING: 

IMPROPER  INSTALLATION,  ADJUSTMENT,  ALTERATION,  SERVICE  OR  MAINTENANCE  CAN 

CAUSE INJURY, PROPERTY DAMAGE OR LOSS OF LIFE. REFER TO THIS MANUAL FOR ASSISTANCE OR 
ADDITIONAL INFORMATION. CONSULT A QUALIFIED INSTALLER 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.

 

 

 

 

 

Report No. 

08-154

 

 

 

Do not store gasoline or other flammable vapors and 
liquids in the vicinity of this or any other appliance.

 

 

REV 13 DEC 2009

 

 

ICC Evaluation Services 
Report No. 2401

 

Summary of Contents for MFPST-43

Page 1: ... OR LOSS OF LIFE REFER TO THIS MANUAL FOR ASSISTANCE OR ADDITIONAL INFORMATION CONSULT A QUALIFIED INSTALLER 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 Report No...

Page 2: ...This page has been left intentionally blank ...

Page 3: ...ons and installation specifications in your area DATE OF MFG SERIALNo Report No 08 154 ICC Evaluation Services Report No 2401 MODEL No WARNING THIS FIREPLACE HAS BEEN TESTED FOR USE ONLY WITH APPROVED GLASS DOORS TO REDUCE THE RISK OF FIRE OR INJURY CONSULT OWNER S MANUAL THIS FIREPLACE IS DESIGNED FOR USE ONLY WITH SOLID WOOD LOGS PLUMBED LPG OR NG LOG LIGHTERS OR PLUMBED ANSI Z21 60 DECORATIVE G...

Page 4: ...m ms s s C Co om mb bu us st ti ib bl le F F Fl l lo o oo o or r r S S Sy y ys s st t te e em m ms N No on n C Co om mb bu us st ti ib bl le e F F Fl l lo o oo o or r r S S Sy y ys s st t te e em m ms s s Figure 1 13 14 8 7 Figure 2 21 21 9 13 9 14 10 10 8 7 12 12 22 22 6 6 24 20 24 20 23 23 1 1 19 19 3 3 3A 17 3A 16 18 ...

Page 5: ...Ø3 8 x 36 8 20 MFP ARC LINTEL TRIM OPTIONAL 2 21 MFP116 16 COLLAR TENSION STRAP 16 1 22 MFP117 TENSION STRAP UPPER 2 23 MFP118 TENSION STRAP LOWER 2 24 MFP119 TENSION STRAP HARDWARE PACK 1 M MF FP PS ST 4 4 43 F F Fi i ir r re e ep p pl l la a ac c ce P P Pa a ar r rt t ts L L Li i is s st Optional Outside Ø4 Combustion Air Kit Model No MFP4 AK Ø4 Ducting not included MFP43SHBL Herringbone MFP43FR...

Page 6: ...OF THE DOME IF WOOD FRAMING IS UTILIZED IT MUST BE HELD 18 INCHES MIN FROM TOP OF LINTEL AND 2 INCHES MIN CLEARANCE MUST BE MAINTAINED ALL AROUND FIREPLACE DOME IF METAL FRAMING IS USED MAINTAIN A 1 2 INCH MIN AIR SPACE FROM TOP OF LINTEL 2 MIN CLEARANCE TO COMBUSTIBLES AROUND SIDES REAR AND TOP OF FIREPLACE DOME 57 I D FRAMING 28 O D WARNING Failure to position the parts in accordance with these ...

Page 7: ...AND 28 2 INCH CLEARANCE TO COMBUSTIBLES BOTH SIDES OF FIREPLACE If using a raised hearth or metal base plate note that a combustible wood header must be no closer than 2 to the top of the dome top Figure 6 Non Combustible Hearth Extension by others 2 ONLY NON COMBUSTIBLE MATERIAL WITHIN 18 OF TOP OF OPENING SEE FIG 26 2 AIRSPACE CLEARANCE TO COMBUSTIBLES FROM REAR AND SIDES 2 MIN 1 2 1 2 THICK CON...

Page 8: ...gs Plumbed LPG or Natural Gas Log Lighter Plumbed ANSI Z21 60 Decorative Gas Log DO NOT USE OR STORE GASOLINE OR OTHER FLAMMABLE LIQUIDS OR GASES IN OR NEAR THE FIREPLACE ATTENTION A fire or an explosion could occur causing property damage injury or loss of life if you do not follow the information in this manual NOTE THIS MANUAL MUST BE REPRODUCED ONLY IN ITS ENTIRETY Before Beginning the Install...

Page 9: ...ible materials Familiarity of installation for all components The strength of the floor on which it rests Chimney system measurements Choice of materials and craftsmanship in fireplace and hearth finishing Island Installation Note that each of these topics will be covered in detail and that the installer is expected to understand each phase completely before going on to subsequent instructions Att...

Page 10: ...y 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 fi replace 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 if proper draft is not achieved 4 There are many conditions beyond a manuf...

Page 11: ... anchorage to be determined by licensed design professional For conventional framing where the floor joists are parallel with the sides of the firebox the addition of floor joists to align with the anchor brackets allows the brackets to be directly connected to the floor joists Note that additional floor joists may be required to support the weight of the firebox and chimney Where the floor joists...

Page 12: ...rs 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 MASON LITE cannot accept responsibility for structural floor support details All drawings are presented as mere illustrations to indicate the presence of the underlying floor s...

Page 13: ...te with 1 4 or smaller aggregate Mason Lite Mortar one 50 lb bag Materials needed for combustible wood floor installation Hearth Ember Shields Eight 8 All Thread Rods are secured to the top flange of the Metal Base with sixteen 16 fl at washers 2 OD x 9 16 ID x 0 10 and sixteen 16 1 2 13 UNC Nuts Anchor Bracket All Thread Rods are secured to the bottom flange of the Metal Base with eight 8 fl at w...

Page 14: ...lds on the next If you have to make any kind of an adjustment do not try to do it by loading an opening with mortar this will only result in a fi replace that will not be plumb or level Use wood shims instead You will find these small wood shims supplied with the Mason Lite Fireplace and you can nudge them in between openings to achieve the precision you need in making component adjustments Once y...

Page 15: ...sing 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 be smooth and uniform Make sure connections are covered with an adequate amount of mortar Remember that you have the option of using shims and covering them with mortar if you need to Make any adjustments to the fireplace alignment before continuing to the n...

Page 16: ...irebox and Smoke Dome assembly You are now ready to begin the installation of the necessary fi rebrick lining and the flue components Figure 26b eight 8 x 3 4 Screws Firestop Radiation Shields also provide complete separation from one floor space to another or attic space as required by most codes When the double wall pipe passes through a framed opening into an attic space the firestop must be pl...

Page 17: ...hes are used corner notching will be required on all four places Figure 29 Finished Height to Combustible Floor FINISHED FIREBRICK HEARTH LINER The following Firebrick Liners are available from MFI MFPST43SHBL Herringbone 11 INCHES MINIMUM TO COMBUSTIBLE FLOOR Disclaimer Masonry Fireplace Industries wishes to express that as the manufacturer of Mason Lite Fireplaces they cannot take any liability ...

Page 18: ... 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 Combustion make up Air 1 The Mason Lite Fireplace needs enough make up air to function properly and some local building codes may require outside combustion air to be provided If no make up air is provided improper flue drafting ...

Page 19: ...n elbows you must insert at midpoint a chimney stabilizer When installing the stabilizer pull out the support straps with a good amount of tension and hammer to the frame Installing Damper and Chimney System The Damper System Anchor Plate assembly is required for the installation of these chimney systems Consult the Chimney System manufacturer s instructions 1 Using the Damper Anchor Plate Assembl...

Page 20: ...irewood at any given time Consider that this typical fuel load is three to four dry hardwood logs that are about 6 six inches to 8 eight inches in diameter 4 Without a grate for your firewood to rest on you cannot get the air flow you need under the fire which makes for a hotter more satisfying fire 5 Don t over burn Always remember your Mason Lite Fireplace is an elegant addition to your home It ...

Page 21: ... their residue could introduce a fire hazard after the task is completed Outside Inspection During your once a month inspection of the firebox and chimney make it a point to also check the outside of the chimney the metal flashing and weather seals that surround it If you find any cracks or openings around screws or nails seal them to avoid any roof or chimney chase leaks SURFACE CRACKS The MASON ...

Page 22: ...ed concrete 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 TYPE OR LOCATION OF CONCRETE CONSTRUCTION MINIMUM SPECIFIED COMPRESSIVE STRENGTHa f c Weathering Potentialb Negligible Moderate Severe Basement walls foundations and other concrete not exposed to t...

Page 23: ...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 24: ... any labor costs or indirect costs incurred for the replacement of defective components MFI is not responsible for misuse or mishandling of component parts Nothing in this warranty makes MFI or any entity 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 o...

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