lobijade.blogg.se - Chimney sweep near me contra costa county

Chimney sweeping also helps to prevent chimney fires. Chimney sweeping removes all the soot and debris that has built up inside the chimney over time.

Chimney sweeping is essential for the maintenance of a chimney.

Exposed combustible mantels or trim may be placed directly on the masonry fireplace front surrounding the fireplace opening providing such combustible materials are not placed within 6 inches (152 mm) of a fireplace opening. If you need chimney cleaning service in the Contra Costa County area allow our contractors to help you.

Exposed combustible trim and the edges of sheathing materials such as wood siding, flooring and gypsum board shall be permitted to abut the masonry fireplace sidewalls and hearth extension in accordance with Figure R1001.11, provided such combustible trim or sheathing is not less than 12 inches (305 mm) from the inside surface of the nearest firebox lining.

Where masonry fireplaces are part of masonry or concrete walls, combustible materials shall not be in contact with the masonry or concrete walls less than 12 inches (306 mm) from the inside surface of the nearest firebox lining.

Masonry fireplaces listed and labeled for use in contact with combustibles in accordance with UL 127 and installed in accordance with the manufacturer's instructions are permitted to have combustible material in contact with their exterior surfaces.

Solid masonry units or hollow masonry units grouted solid with not less than 4-inch nominal thickness.Įffective flue area (based on area of fireplace opening)ġ2" hooked around outer bar with 6" extension. 4 bars for each additional 40" or fraction of width or each additional flue.ġ/ 4" ties at 18" and two ties at each bend in vertical steel.

4 full-length bars for chimney up to 40" wide. Smoke chamber wall thickness Unlined wallsįour No. Reinforced to carry its own weight and all imposed loads.ġ0" solid brick or 8" where a firebrick lining is used. SUMMARY OF REQUIREMENTS FOR MASONRY FIREPLACES AND CHIMNEYS ITEM