Captain Soot Specializes In Chimney & Fireplace Masonry Restoration Servicing Long Island, NY
Sometimes a simple chimney repair such as a new crown or tuckpointing can save a fortune down the road. Often moisture first enters through the chimney crown or through small holes in morter joints. Water is absorbed then freezes , cracking morter & bricks leading to major repairs and rebuilds. Captain Soot offers chimney rebuilding and repointing services as well as any chimney repair you may need. Ask us about waterproofing your chimney with Chimney Saver waterproofing.
Long Island Chimney Repair Specialist
Serving Nassau & Suffolk County
Masonry Chimneys - A masonry chimney is constructed of a variety of masonry and metal materials, including brick, mortar, concrete, concrete block, stone, flue tile, steel and cast iron. All masonry chimneys contain combinations of, or possibly all of, these materials, most of which are adversely affected by direct contact with water or water penetration. Water Penetration all masonry chimney construction materials, except stone, will suffer accelerated deterioration as a result of prolonged contact with water. Masonry materials deteriorate quickly when exposed to the freeze/thaw process, in which moisture that has penetrated the materials periodically freezes and expands causing undue stress. Water in the chimney also causes rust in steel and cast iron, weakening or destroying the metal parts.
Note: While most stone is not affected by water penetration, large amounts of mortar are required to bond the stone together properly. Therefore, a stone chimney – just like a brick chimney – should be protected from the effects of water penetration. Water penetration can cause interior and exterior damage to your home and masonry chimney including:
- Rusted damper assemblies
- Deteriorated metal or masonry firebox assemblies
- Rusted fireplace accessories and glass doors
- Rotting adjacent wood and ruined wall coverings
- Water stained walls and ceiling
- Clogged clean out area
- Deteriorated central heating system
- Stained chimney exterior • Decayed exterior mortar
- Cracked or deteriorated flue lining system
- Collapsed hearth support
- Tilted or collapsed chimney structure
- Chimney settlement In addition, when water mixes with creosote in a wood burning chimney system, it will generate a highly disagreeable odor that can permeate a home.
Waterproof Your Chimney Most masonry materials are porous and will absorb large amounts of water. Common brick is like a sponge, absorbing water and wicking moisture to the chimney interior. Defective mortar joints or the use of improper mortar or brick can greatly increase the tendency to absorb and convey water to the interior of the masonry chimney. Several products have been developed specifically for use as waterproofing agents on masonry chimneys. These formulas are 100% vapor permeable, which means that they allow the chimney to breathe. Therefore, water that has penetrated and the vapors produced when the chimney dries out or the water vapors produced during use are allowed to escape, while the waterproofing agent prevents water from entering from the outside. These products usually have a five- to ten-year warranty. Paint or clear sealers should never be used as a waterproofing agent because they will trap water vapors and moisture inside the chimney causing further deterioration. Waterproofing is a preventive measure. When damage or deterioration (gaps, voids, cracks, missing mortar, etc.) already exists in a masonry structure, the chimney should be repaired before the waterproofing agent is applied. The chimney exterior may also need to be cleaned before the waterproofing material is applied
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