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Majestic • Ashland ASH36 Installation Manual • 4059-909 • Rev D • 04/19

D. Secure Offset/Return

E. Install Ceiling Firestops

CAUTION!

Risk of Fire!

Ceiling firestops must be used

whenever the chimney penetrates a ceiling/floor.

• Chase construction requires ceiling firestops at each

floor or every 10 ft. (3.05 m) of clear space.

• The ceiling firestop slows spread of fire and reduces

cold air infiltration.

• Install a ceiling firestop whenever chimney penetrates

ceiling/floor.

• Mark and cut an opening in ceiling as shown in Figure 5.5.

• Frame the opening with the same size lumber used in

the ceiling joists.

• Nail the ceiling firestop to the bottom of the ceiling joists

when there is a room above.

• Use an attic insulation shield if the ceiling is insulated.

The ceiling firestop may then be attached above or below

the joists.

ROOM ABOVE (non-insulated ceiling)

ATTIC ABOVE (insulated ceiling)

Ceilng firestop

attached to bottom

of framing

Ceiling firestop

attached to top of

framing

Note:

Use same dimensional lumber for framing

ceiling firestop and joists.

2 in. (51mm)

clearance

2 in. (51mm)

clearance

WARNING! Risk of Fire! DO NOT

seal area between

firestop opening and chimney pipe except where they en

ter the attic or leave the warm air envelope of the home

(use 600° F sealant).

Figure 5.5 Installing the Ceiling Firestop

When offsets and returns are joined to straight pipe sec

tions, they must be locked into position with the screws

(outer only). To prevent gravity from pulling the chimney

sections apart, the returns and the chimney stabilizers

have hanger straps for securing these parts to joists or

rafters. See Figure 5.4.

* Use # 6 or # 8 sheet metal screw, or larger, no longer

than 1/2 in. (13 mm).

WARNING! Risk of Fire!

• Secure offsets with screws (not to exceed 1/2 in./13 mm

In length).

• Secure returns with strapping.

• Straight chimney sections may be secured with screws

(not to exceed 1/2 in./13 mm In length) at the joints.

• Keep chimney sections from separating or twisting.

Ceiling

Firestop

Straps

Optional

Additional

Support

Joint

Band

(Optional)

Figure 5.4 Secure the Chimney

Catalog #

in.

FS538

432

FS540

432

660

Содержание Ashland Series

Страница 1: ...l for future reference ASH36 NOTICE DO NOT discard this manual DO NOT store or use gasoline or other flam mable vapors and liquids in the vicinity of this or any other appliance DO NOT overfire Overfi...

Страница 2: ...Outside Air Kit 15 4 Chimney and Termination Requirements A Chimney Requirements 16 B Offsets Returns 17 C Termination Requirements 18 5 Chimney Installation A Typical Chimney System 19 B Assemble Chi...

Страница 3: ...led Location of Fireplace Installer Dealer Distributor Phone Serial Roof flashing installed Terminations installed Combustible materials not installed in non combustible areas Hearth extension install...

Страница 4: ...essed paper Plant fibers Plastic Plywood OSB Sheet rock drywall Any material that can ignite and burn flame proofed or not plastered or un plastered 1 Product Specific Important Safety Information A F...

Страница 5: ...r supports chimney not shown Termination cap Chimney penetrates roof preferably without affecting roof rafters Offset Return with hanger straps Framing headed off in ceiling joists Enclosed space abov...

Страница 6: ...on 3 NOTICE A minimum 1 1 2 in air clearance at the back and a minimum 1 1 2 in air clearance to the sides of the fireplace assembly must be maintained Chimney sections at any level require a 2 in min...

Страница 7: ...oint of the roof Wind loading possible Multi level Roofs Windward Leeward Recommended Location Above peak Recommended Insulated exterior chase in cooler climates Recommended Location Above peak Inside...

Страница 8: ...e fireplace and components from packaging and inspect for damage Vent system components and doors are shipped in separate packages Report to your dealer any parts damaged in shipment Read all the inst...

Страница 9: ...mm 5 in 129 mm 16 1 8 in 408 mm 6 7 8 in 175 mm 11 1 8 in 282 mm Gas Line Knockout 11 in 281 mm diameter 11 in 281 mm 27 1 2 in 699 mm 15 1 2 in 394 mm 31 1 8 in 790 mm 74 TYP 5 in 129 mm 16 1 8 in 4...

Страница 10: ...ust comply with all minimum air space clearances to combustibles as specified in Figure 3 2 DO NOT pack required air spaces with insulation or other materials Framing or finishing material used on the...

Страница 11: ...eiling Insulation Insulation Storm Collar Figure 3 3 Chase Assembly 1 2 3 All outside walls should be insulated Figure 3 4 Chase Constructions 1 Fireplace and chimney enclosed in an exterior chase 2 C...

Страница 12: ...e 3 5 shows a typical framing using 2 x 4 lumber of the fireplace assuming combustible materials are used All required clearances to combustibles around the fire place must be adhered to See Figure 3...

Страница 13: ...of the fireplace assembly E Secure and Level the Fireplace This fireplace may be placed on either a combustible or noncombustible continuous flat surface Slide the fireplace into position Be sure to p...

Страница 14: ...mm under front edge of fireplace Overlap strips in the middle of fireplace opening by 1 in 25 mm minimum Metal strips must extend beyond the front and sides of the fireplace opening by at least 2 in 5...

Страница 15: ...inlet hood to prevent blockage from leaves snow ice or other debris Blockages could cause combustion air starvation and unit to overheat Figure 3 8 Outside Air Inlet Locations Figure 3 9 Outside Air I...

Страница 16: ...ace or at any chimney joint A Chimney Requirements Vertical distances are measured from the base of the fireplace as shown in Figure 4 1 4 Chimney and Termination Requirements Table 4 2 Chimney Compon...

Страница 17: ...et and return A B 1 1 4 in 32 mm OVERLAP Figure 4 2 Chimney Offset Return Example Your A dimension from Figure 4 2 is 14 1 2 in 368 mm Using Table 4 3 the dimension closest to but not less than 14 1 2...

Страница 18: ...illustration above B Gas Termination Cap A Perpendicular Wall If using decorative cap cover s this distance may need to be increased Refer to the installation instructions supplied with the decorative...

Страница 19: ...ons together firmly to resist movement Ceiling firestops are required where chimney passes through ceiling or floor Support straps for offsets not shown must be secured to adequate framing Termination...

Страница 20: ...anger straps provided fasten to studs or joists Vertical straight runs of chimney must be supported every 35 ft 10 7 m B Assemble Chimney Sections Use only those components described in this manual Su...

Страница 21: ...p of framing Note Use same dimensional lumber for framing ceiling firestop and joists 2 in 51mm clearance 2 in 51mm clearance WARNING Risk of Fire DO NOT seal area between firestop opening and chimney...

Страница 22: ...f any opening around the bottom If you wish to make a custom shield or barrier follow these guidelines Metal is preferred although any material stiff enough to hold back the insulation can be used WAR...

Страница 23: ...he flashing plate and the roof to a minimum Caulk the flashing plate and roof junction as well as the vertical seam on the flashing All nail heads must be caulked with a roofing sealant Caulk the over...

Страница 24: ...Minimum Height Do NOT block air holes Caulk gaps between storm collar pipe and storm collar chase top Termination cap pipe and chimney section must be snapped together to maintain an overlap of 1 1 2...

Страница 25: ...mm 4 3 4 in 121 mm Figure 5 14 Installing a TCT1175 Terra Cotta Cap Storm Collar Chimney Pipe Chase Top Termination Cap not shown Chase Collar 2 in 51 mm Minimum Height Caulk gaps between storm collar...

Страница 26: ...en tested for HHT fireplace systems and termination caps 3 in 76 mm minimum Min Base Dim Min Base Dim Min Top Dim Min Top Dim Min Opening Width Min Opening Width Radiation Shield 14 1 2 in 368 mm maxi...

Страница 27: ...mination Cap Chase Top Radiation Shield 3 in 76 mm Radiation Shield Height Termination Cap Figure 6 5 Roofed Style Shroud Dimensions 3 Roofed Style Shroud Radiation shield required 2 Mailbox Style Shr...

Страница 28: ...and sides between the fireplace and drywall to prevent cold air leaks Only non combustible materials may be used to cover the metal fireplace front Metal strips are placed 2 in 51 mm under the front...

Страница 29: ...n 914 x 965 mm to allow for door installation If Mortar is applied it should be applied after finishing material is installed Mortar will be applied between finishing materials and molded brick edges...

Страница 30: ...earth extension insulated to a minimum R value of 2 06 The hearth extension material MUST be covered with tile stone or other non combustible material Manufactured hearth materials will usually have a...

Страница 31: ...e the bottom of the fireplace Finished hearth must NOT extend above this level Noncombustible Framing Material HX4 or equivalent Figure 7 7 Raised Platform Hearth Extension Framing Non combustible Fin...

Страница 32: ...n the hearth extension and the front of the fireplace with a bead of non combustible sealant or grout Note The bottom of the fireplace opening is 3 3 4 in 95 3mm above the bottom of the fireplace Fini...

Страница 33: ...tible Finishing Material Protective Metal Hearth Strip 20 in Min Hearth Extension 1 in Micore and 1 2 in Durock or equivalent insulation Finished Floor Note The bottom of the fireplace opening is 3 3...

Страница 34: ...combustible Decorative Facing such as Steel iron brick tile concrete slate glass plasters DO NOT cover any air openings in the face of the fireplace Seal joint with non combustible sealant to prevent...

Страница 35: ...ockouts in the inner firebox and in the outer shell on the side of your choice Refer to dimension drawings for location of knockouts and Section 7 I for gas provisions Install side panel tapered edge...

Страница 36: ...lip the last ring over the rod on the other side of the bracket Fasten the flat end of the screen rod back in place using the screw removed earlier Repeat for the other screen panel E Install Mortar O...

Страница 37: ...can be installed in this fireplace Vented Gas Logs Unvented Gas Logs CAUTION If an unvented gas appliance is installed in the fireplace the gas appliance must only be operated with the fireplace glas...

Страница 38: ...0 Chimney Offset Return 30 deg FS538 Ceiling Firestop Straight FS540 Ceiling Firestop 30 deg AS10 Straight Attic Insulation Shield 24 in 610 mm JB577 Chimney Joint Band CB576 Chimney Bracket RF570 Roo...

Страница 39: ...mm JB577 Chimney Joint Band CB576 Chimney Bracket 13 in 330 mm 2 in 51 mm 13 in 330 mm A B 17 in 432 mm RF570 Roof Flashing RF571 Roof Flashing 39 7 8 in 1013 mm 28 in 711 mm 15 1 4in 387 mm 25 1 4 i...

Страница 40: ...and ASH36 Installation Manual 4059 909 Rev D 04 19 40 TR11 Round Termination Cap TR11T Round Telescoping Termination Cap ST1175 Square Termination Cap TCT1175 Terra Cotta Cap 15 3 4 in 400 mm TR TVK C...

Страница 41: ...al 4059 909 Rev D 04 19 41 B A C B C A DTS134 DTS146 DTO134 DTO146 Decorative Caps DTO134 A B C in 34 20 24 mm 864 508 610 DTO146 in 46 22 7 26 mm 1168 576 660 DTS134 A B C in 34 21 18 24 mm 864 538 6...

Страница 42: ...d 42 in 1067 mm 6 in 152 4 mm i d ID6 Insulated Duct 6 in 152 mm i d See your Majestic dealer for a complete list of optional components 16 in 406 mm 52 in 1321 mm 1 2 in 13 mm HX3 Hearth Extension A...

Страница 43: ...Majestic Ashland ASH36 Installation Manual 4059 909 Rev D 04 19 43 This page intentionally left blank...

Страница 44: ...Majestic a brand of Hearth Home Technologies 7571 215th Street West Lakeville MN 55044 www majesticproducts com Please contact your Majestic dealer with any questions or concerns For the location of...

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