Stimmen - 3, Durchschnittliche Bewertung: 3.3
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Anleitung Zusammenfassung
17 Install pipe, listening for the snap-lock to fasten. Support Structure FP270/271CR Series2/19/99 djt Elbow Strap Elbow Strap (Must be tight) FP710 Ceiling Hole Framing Fig. 16 Outside air operation. Angled Strap Angle Firestop Chimney Support Strap (Must be tight) FP270/271 Fig. 18 Attach straps to a structural framing member. hole and the angled portion extending down into the hole. Firestop spacers are not available for nor are they required on vertical walls. DO NOT put any sealant around the area where the outer pipe slides through the firestop spacer. If you seal this area, it may cause a fire hazard. Canadian Requirements for Insulation Shield In Canada, an attic insulation shield is required to prevent attic insulation from contacting the chimney section. NOTE: If the attic insulation shield is used, the firestop is not required in the attic installation. Framing dimensions for the chimney hole should measure 14..." x 14..." (368 x 368 mm) for SK8; 17..." x 17..." (445 x 445 mm) for 3-wall. An attic shield MUST be installed on top of attic joists (above the floor level). (Fig. 20) NOTE: In the U.S., it is a good idea, although not always required, to install an attic insulation shield where blown-in insulation is planned to be used in the attic. Install the attic insulation shield with the flanges on its base extending down into the framing hole. Nail each corner of attic insulation shield to the framing members of the ceiling hole using 8d nails. Attic shields are not required at the roof. Continue Installing Pipe to Complete Run Continue attaching pipe sections to complete system to next level always being careful that the pipe is firmly snapped locked in place before proceeding to next pipe section. Chimney Supports If chimney supports are required, they are installed the same as elbows. Nail chimney support straps to adjacent structural framing, as shown on Page 7, Figure 7. Bend straps as necessary and make sure they are secure so they will support the weight of the chimney. A chimney support is 2..." long when installed. Consider this dimension when determining how many straight chimney sections are needed. NOTE: Chimney supports are generally used in long runs in a chase installation. Additional Ceilings If you encounter additional ceilings, repeat same steps required for first ceiling installation. Refer to firestop illustration on Figure 19. Penetrating the Roof Run pipe to roof line. Since chimney system must be vented to the out-of-doors, you must use an approved termination. If a chase is used, refer to the installation manual provided with the termination cap. Locate Chimney Centerpoint On Roof Use same procedure detailed in locating center point of the flue system. Drive a nail up through roof at the center point. This will determine center point on outside of the roof. Attic Installation FP593SR/C11/20/97 Nails (4) IGF263MBUF5/9/96 Attic Insulation Shield Firestop Spacer Nails (4 required) Joist NOTE: If the attic insulation shield is used, the firestop is not required in the attic installation. Attic Joist Ceiling Installation Base Flanges Ceiling FP263 Joist Fig. 20 Attic shield installlation (Canadian requirement). Firestop Spacer Nails (4) FP593 Fig. 19 Installing firestop spacer. Cut and Frame Roof Hole Size of roof hole varies with the type of chimney termination installed. Refer to installation instructions provided with the chimney termination to find correct size of roof hole. There must be an air space (1..." - SK8; 2" - 3-wall) between outermost portion of chimney sections and any adjacent combustible surfaces. (Combustible surfaces include burnable materials such as: ceiling members, joists, flooring, combustible insulation and roof structures.) WARNING: DO NOT PACK REQUIRED AIR SPACES WITH INSULATION OR OTHER MATERIALS. Mark an outline of the roof hole around the center of the point nail. Note: Hole dimensions given in the chimney top installation instructions are horizontal dimensions; therefore, the hole size must be marked on the roof accordingly. Cover the opening of the installed chimney so debris cannot get into the system. Cut and frame the hole. It is good practice to use framing lumber that is the same size as the rafters. Install the frame securely because the chimney top and flashing anchored to the frame must be able to withstand heavy winds. Install Remainder of Chimney Sections Since you have already preplanned the height of your termination according to the Ten Foot Rule, continue to install pipe to the predetermined height. Check the chimney top installation instructions for details on how high above the roof top the chimney sections (all pipes) should extend. Installing Top Housing or Termination Follow the installation instructions provided with the chimney termination you have selected. Installing Chimney In a Chase Refer to Page 4, Figure 3 for an illustration of a typical chase installation. CAUTION: Treatment of firestop spacers and construction of...
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