Clay Chimney Thimble Sizes

In normal inside diameter in effective flue area sq.

Clay chimney thimble sizes.

They help protect the chimney walls from heat and minimize condensation. Just muliplying these dimensions together 6 75 x 6 75 45 56 sq in. Flue lining with opening. Wall thimbles clay thimbles makes 90 connection for appliance furnaces water heaters wood stoves etc site assembled with refractory mortar joins with clay chimney liners with pre cut holes various sizes and lengths available thimble joins with square flue liners with pre cut holes saddle joins with round flue liners with pre cut holes.

For example an 8 x 8 square nominal clay chimney flue tile liner has inside dimensions of 6 3 4 x 6 3 4. Fire clay for maximum heat resistance. In flue lining with opening size of flue in size of opening in 4 1 2 x 8 1 2. Size and weights approximate.

Superior clay flue liner dimensions rectangular flue lining. 6 x 12 clay thimble 1314 13 8x8 8 x8 6 x 24 clay thimble 1320 26 8x8 8 x8 7 x 12 clay thimble 1326 17 8x12 12x12 7 x 24 clay thimble 1332 34 8x12 12x12 8 x 12 clay thimble 1338 21 8x12 8 x13 13x13 8 x 24 clay thimble 1344 42 8x12 8 x13 13x13 6 short saddle length 9 1350 10 6 round 6 long saddle length 18 1352 20 6 round 7 short saddle length 9 1354. In effective flue area sq. Size diameter x length item wt pc thimble saddle fits.

Check with your local code enforcement officer or fire dept for proper installation. Clay flue liners provides proper air flow for maximum performance. Terra cotta flue intent is to contain the combustion products and direct them to the outside atmosphere. Clay flue liners pulls air up and expels it out of the top of the flue using draft.

Use to line chimneys.