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A MAJOR CAUSE OF VENT RELATED FIRES IS FAILURE TO MAINTAIN REQUIRED CLEARANCES (AIR SPACES) TO COMBUSTIBLE MATERIALS. IT IS OF THE UTMOST IMPORTANCE THAT D CHIMNEY BE INSTALLED ONLY IN ACCORDANCE WITH THESE INSTRUCTIONS. NOTE: Dear Customer, Installer, or End User: Read through all of these instructions before We welcome any comments regarding matters beginning your installation.
with forced draft positive-pressure appliances. CLEARANCE DuraPlus systems are designed to extend Allow at least a 2-inch clearance between vertically with a maximum of (2) offsets of 30° DuraPlus Pipe and any combustible materials. (offset and return). DuraPlus is tested to UL Test Proceedure 103HT, and listed under UL Where the chimney passes through floors, Re-examination Service Number MH7399.
TABLE 1 DURAPLUS (SDP) PARTS WITH UL CATALOG NUMBERS UL Cat # Part UL Cat # Part SDP-P Chimney Sections SDP-TS Tee Support Bracket SDP-T SDP-IS Insulation Shield SDP-F Flashing SDP-FRS Firestop Radiation Shield SDP-TF Flat Roof Flashing SDP-SC Storm Collar SDP-S Flat Ceiling Support Box SDP-WS...
chimneys are located in a building more than 4 stories in height.” Cold Climates: In cold climates, chimneys mounted on an outside wall should be enclosed. Exterior chases reduce ATTIC condensation and creosote formation, and ATTIC INSULATION SHIELD enhance draft. Include an access door by the Tee Cleanout Cap for chimney cleaning.
STEP-BY-STEP DIRECTIONS There are five general types of DuraPlus installations: 1. Ceiling-supported ATTIC 2. Roof-supported 3. Tee-supported (through the wall) 4. Masonry Fireplace 5. Zero-Clearance Fireplace MINIMUM OF 2 INCHES BELOW FINISHED CEILING Review the step-by-step directions before beginning your installation. 18 INCHES MINIMUM FOR SINGLE-WALL STOVEPIPE CEILING SUPPORTED...
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FLASHING CAP SDP-C VENTILATED SDP-SC STORM COLLAR SDP-SC CHIMNEY SECTIONS SDP-P ROUND CEILING SUPPORT SDP-RS ATTIC INSULATION SHIELD SDP-IS FIRESTOP RADIATION SHIELD FLAT SUPPORT BOx SDP-IS SDP-S ATTIC Figure 5 2 INCH MIN CHIMNEY SECTIONS CLEARANCE INSIDE OF SDP-P ENCLOSURE FRAMED ENCLOSURE MIN OF 2 INCHES...
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TABLE 2 FRAMING FOR SqUARE SUPPORT BOxES, ROUND SUPPORT BOxES AND WALL THIMBLES SQUARE SUPPORT BOXES Chimney inside diameter 6 INCHES 7 INCHES 8 INCHES Framed opening inside dimensions 14 ½ x 14 ½ 14 ½ x 14 ½ 14 ½ x 14 ½ ROUND SUPPORT BOXES Chimney inside diameter 6 INCHES...
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illustrates the two-story building. In the case FIRESTOP RADIATION SHIELD SDP-FRS of the two-story installation, the base of the Firestop Radiation Shield is nailed to the top of the framing, with the pan (the depressed portion of the base), facing downwards. For NAILS (AT LEAST 2 PER SIDE) the multi-story installation, the base is nailed to the bottom of the framing with the pan facing...
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necessary. The Firestop Radiation Shield will WARNING: IF CHIMNEY IS ENCLOSED IN ATTIC fit inside the Attic Insulation Shield. SDP-IS AREA, YOU MUST USE b. Assemble Chimney Sections until at least VENTILATED FLASHING. 18 inches of chimney extends above the Firestop Radiation Shield.
chimney above the Flashing, and also along the vertical seam of the chimney pipe, which SDP-C is exposed to the weather. (Figures 14 and 15). Slide the Storm Collar down over the chimney to the top of the Flashing. Tighten APPLY SMALL BEAD OF NON-HARDENING SEALANT ALONG SEAM SEAM OF CHIMNEY and seal the Storm Collar against the sealant.
2 pairs of Elbows (4 elbows total) in any one 2. Secure Offset: Place the Elbow Strap’s chimney system. band around the angled portion of the top 1. Attach Elbows: Attach Elbows to Chimney Elbow, then tighten the nut and bolt until the Sections or other Elbows by twisting clockwise clamp is firm.
(Figures 18 and 19). Cut 2 pieces of 3/4 inch CHIMNEY SECTION SDP-P thin wall galvanized steel electrical conduit, (or rigid galvanized tubing) to these lengths. ExTENDED The conduit is not furnished by DuraVent, ROOF BRACKET and must be locally procured. Mount the two SDP-RSA Roof Brackets where the conduit meets the roof, using 6 roofing nails per bracket.
1. Place Appliance: Place the appliance in it’s ROOF SUPPORTED proper location, referring to the manufacturer’s INSTALLATIONS instructions as to allowable distances from combustibles, etc. Use only where a leveled Square Support Box 2. Cut Openings: Cut a roof opening directly will extend at least 2 inches below the ceiling above the appliances’...
4. Complete Installation: Refer to Steps 8, PIPE SDP-P and 9, in the Ceiling Supported Installation PIPE SECTION section, to complete the Roof-Supported 6-INCH OR 9-INCH SDP-P installation. 5/16 x 3” LAG SDP-T WALL THIMBLE SCREWS SDP-WT (6 REq) NOT FURNISHED TEE-SUPPORTED INSTALLATIONS REMOVABLE...
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diameter hole must be cut through the wall. Tee and Chimney Section from the wall, and 3. Install Wall Thimble: Insert the black nail the Wall Thimble’s black section to the section of the Wall Thimble into the opening studs with four 1-inch roofing nails. If the Wall in the wall from inside the room, and align Thimble is going through a concrete wall, and the nail holes with the studs.
a Flashing and Storm Collar as described in Steps 8, 9 and 10 for Ceiling Supported WALL STRAP Installations. Another option is to cut away the overhang for a 2-inch clearance. (Figure 28). If the chimney extends more than 4 feet above the top Wall Band, or Flashing, use an Extended Roof.
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in the event the chimney is to be enclosed. The other is a flat plate, to be used in cases 1/2 INCH AIR SPACE ESTABLISHED BY SPACERS when the chimney is not enclosed. 3. Attach Chimney: Place the first Chimney Section over the flange on the Anchor Plate with the arrows pointing up.
CHIMNEY CONNECTION FROM APPLIANCE SECTION TO CHIMNEY SYSTEM 1. Single Wall Stovepipe: DuraVent’s “DuraBlack” stovepipe is recommended, if single wall stovepipe is desired. The SHEET connection to the ceiling support box, or METAL wall thimble is made with a DuraBlack Slip SCREWS Connector (Part# 1670, 1770, or 1870, for 6-inch, 7-inch, or 8-inch pipe, respectively).
liability for damage resulting from the use of CHIMNEY MAINTENANCE chemical cleaners. 1. Creosote and Soot: When wood is burned 7. In Case of Fire: If a flue fire occurs, close slowly, it produces tar and other organic all appliance draft openings, and call your vapors, which combine with expelled moisture Fire Department.
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m&G DurAVent WArrAnty M&G DuraVent, Inc. (“DuraVent”) provides this limited lifetime warranty for all of its products to the original purchaser, with the exception of Ventinox (lifetime), DuraBlack (five years) and all Termination Caps (five years). Subject to the limitations set forth below, DuraVent warrants that its products will be free from substantial defects in material or manufacturing, if properly installed, maintained and used.
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