The Procedures for Brick Chimney Repair and Fireplace Restoration
Soot build-up in your fireplace, bird’s nest in your chimney, cracked or deteriorated brick or mortar, lightning damage, water leaks, smoking problems – these are signs that will prompt you to look for a service center that can provide skilled craftsmen to restore both function and beauty of your chimney and fireplace.
A fireplace that has cracked and deteriorated brick or mortar, which are usually in the back wall, water infiltration, and is structured in an improper dimensions, which is a source of smoking into the room, are the usual problems found in fireplaces. Cracks existing inside and on the walls of a chimney can actually be fire hazards, according to the National Fire Protection Association (NFPA), because the smoke, which carries waste particles from the fire, deposits these particles on the walls in these cracks, and these particles have an oily substance, called creosote, which can re-ignite from sparks rising in the chimney, so that before creosotes can build-up on the cracks, it’s time to repair them. Cracks can be repaired by carefully chiseling out the cracked areas and covering them with Portland cement or fire-clay, but should never be surface-coated or smeared, because this will not bond well with the dirty, smoky surface.
Water infiltrating a chimney can cause serious problems, such that as water enters and mixes with the deposited particles on the chimney walls, like creosote and other deposits, the resulting mixture is an acidic compound which prematurely corrodes the damper and causes deterioration of the brick and mortar. The extent of water infiltration into the chimney may reach the chimney crown and the shell itself or may cause faulty flashing where the chimney meets the roof, and all these can further cause damages to the ceiling and flooring materials of the house, which are near the fireplace.
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There are two common design flaws have been detected, the reason for the improper dimensions found in chimneys, which are: the chimneys are too short to prevent downdrafts and the areas between the lintel and throat of the chimney are not tall enough to allow smoke to roll before entering the smoke shelf, and because of this, there is a build-up of smoke in the living area.
If You Think You Get Chimneys, Then Read This
Chimney bricks are hard-fired materials that can last over 100 years, but when rain soaks into the brick, then freezes and expands due to harsh weather elements, the thin layers of the brick slowly begin to fall off and land at the base of the chimney. In addition to the brick deterioration, mortar joints can also deteriorate or develop premature voids, but all these results may actually depend on the type of mortar used and the methods used during the original construction.