What is the inside of a fireplace made of?
Generally made of brick or stone, a fireplace includes a firebox to contain the fire, a chimney to channel smoke and toxic gas out of the space, and several other key elements.
What does the inside of a wood burning fireplace look like?
Quote from the video:
Quote from Youtube video: When inspecting the fireplace. Look for any missing bricks and cracks in the mortar. Between the bricks on the floor. And the walls of the fireplace. Next i'm going to look in the firebox.
What is Rockwool for fireplace?
Rock wool is a fibrous material made from minerals. Placed on top of the sand in a natural gas log set, the fire passes through it, becomes red hot and glows without melting or burning. Rock wool only glows when the flames come up through it, so there is no need to have it spread around any more than over the burner.
What does vermiculite do in a gas fireplace?
Coarse grade exfoliated vermiculite that used in gas log fireplaces. By pouring into the burner pan, vermiculite granules add sparkle and shine to the fireplace for a real wood burning effect and evenly distribute the flame.
What is the thing inside a fireplace called?
Firebox
Firebox is the formal name for the inside of the fireplace – the place you build the fire. Of course, the firebox, composed of firebrick, is designed take the heat of the fire, but water damage, poor construction or simply just years of expanding and contracting can take their toll and joints can fail.
What is the firebox in a fireplace?
The firebox is the open-to-the-room, inner section of the fireplace where you light and burn fires. As the name suggests, a firebox has a standard box-like shape. It features a flat base, three walls, and an opening at the front and top. Since the fire burns inside of it, the walls and floor must be non-combustible.
Why is there a hole in the floor of my fireplace?
An ash pit is a hole in your firebox in which old ashes can be placed. Its convenient location allows you to sweep in any ashes and embers, then seal them in by closing a small door. Ash pits are designed to withstand the heat from your fireplace while being easily accessible for the homeowner.
What is the firebox opening?
The opening of a fireplace firebox is simply the open area at the front of the firebox where it meets the outer wall of the fireplace to the room. Fireplace openings are usually completely open, allowing you build and maintain fires, and clean the firebox from outside the fireplace.
What are the different types of chimney liners?
The three main types of chimney liners are: metal, clay tiles, and cast-in-place. Metal liners are made from aluminum or stainless steel and are characteristically used to repair or upgrade an existing chimney.
Is vermiculite hazardous?
Vermiculite is a naturally occurring mineral that is perfectly safe when pure. Unfortunately, an estimated 75 percent of it came from Libby, Montana, where it usually was contaminated with toxic amphibole asbestos. Exposure to asbestos is the main cause of mesothelioma, an aggressive and deadly cancer.
Is vermiculite bad for you?
Vermiculite itself has not been shown to cause health issues. Based on available information, there is no evidence that dust from asbestos free vermiculite will cause any serious health effects. Nevertheless, as with any dust, workers should take precautions and avoid long, high-level exposures.
Is vermiculite toxic?
Vermiculite itself is safe to use; there is no evidence that any acute or chronic toxicity or carcinogenicity exists from long-term exposure to vermiculite.
Is vermiculite fireproof?
Fireproof Vermiculite Boards
Vermiculite board is an insulating board from a naturally occurring aluminium-magnesium silicate mineral. Non-toxic and environmentally friendly.
How can you tell if vermiculite has asbestos?
How can I tell if my vermiculite insulation contains asbestos? The majority of all vermiculite insulation pro- duced before 1990 used contaminated vermicu- lite from Libby. Asbestos fibers in vermiculite are too small to be seen by the naked eye. Only a trained technician using a microscope can see asbestos fibers.
Is vermiculite fire resistant?
Vermiculite Fire Protection Applications
Vermiculite is a highly regarded product within its industry and has been used as a fire-retardant surface coating for over 20 years. It is used to impart a high degree of fire protection to many products in a variety of industries.
Is perlite fire resistant?
Spray-Applied, Fire-Resistant Materials (SFRMs)
Expanded perlite makes an ideal non-combustible (per ASTM E136), inorganic aggregate filler for sprayed-on fire protection coatings and plasters.
Is perlite fire rated?
It supports its own weight and will not settle or bridge. Economical: Perlite loose-fill masonry insulation offers excellent thermal and fire resistant properties at an economical cost. It is lightweight and pours easily and quickly without requiring special equipment or skills.
What is intumescent fireproofing?
Intumescent paint or intumescent coatings help passively increase a building’s resistance to fire. When exposed to extreme temperatures, these coatings expand. The coatings lose density as they expand; as a result, they act as an insulator.
What is the difference between cementitious and intumescent?
The coating literally grows as a means of forming the type of barrier that cementitious coatings maintain regardless of temperature. By increasing in volume and decreasing in density, intumescents slow the heating of steel and prolong the possible response time before a significant failure or collapse occurs.
What are intumescent materials?
Intumescent materials are a core component of passive fire protection, and can be categorised as substances that swell when exposed to heat. This reaction is used to great effect in order to seal penetrations in otherwise fire resistant walls, floors and ceilings.
