Knowledge Builders

what is the minimum clearance above a stove to combustible material

by Monique Daugherty Published 2 years ago Updated 1 year ago
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M1901.
Freestanding or built-in ranges shall have a vertical clearance above the cooking top of not less than 30 inches (762 mm) to unprotected combustible material.

Full Answer

How much clearance do I need for my Stove?

All of these stoves have their own clearances to combustibles - clearly written in the manufacturers’ instructions. For example, for a 60” Wolf range the minimum vertical clearance between the gas range and combustible materials above the range is 44”.

What is clearance to combustible materials when choosing a heating appliance?

When choosing and installing heating appliances it is important to consider where the product is to be fitted and the distance to walls and other surfaces. The term “Clearance to Combustible materials” is the distance between the heating appliance and any surrounding combustible materials required to maintain safe operation.

What is the minimum clearance for a gas range?

For example, for a 60” Wolf range the minimum vertical clearance between the gas range and combustible materials above the range is 44”. For a Thermador range the distance to the bottom of the hood is 30”, and 40” to an unprotected cabinet.

What is the clearance for combustible materials on a wolf stove?

All of these stoves have their own clearances to combustibles - clearly written in the manufacturers’ instructions. For example, for a 60” Wolf range the minimum vertical clearance between the gas range and combustible materials above the range is 44”.

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How much clearance do you need above a stove?

30" of air clearance is required between the cooktop surface and bottom of an unprotected wood or metal cabinet above.

What is combustible clearance?

The National Fire Code requires all combustible material to be at least 6 inches from the opening of the firebox. For every 1/8 inch of protruding combustible material, you must account for an additional inch of clearance.

What is the required clearance from the top of a stove to a wooden cabinet above?

Building codes do not require any spacing amount between your stove and the cabinets on either side of it. It is recommended that you leave between 24" and 30" of space between the top of your stove and the above cabinet.

How much clearance do you need between stove and wall?

There should be two inches of space between the back wall and a drop-in or slide-in (gas or electric) style range. A freestanding range (gas or electric) requires no space between it and the back wall. There should be at least twelve inches between any style range and the closest sidewall.

How close can a wood stove be to a non combustible wall?

NFPA Standard Clearance The standard clearance recommended by the National Fire Protection Agency is 36 inches. This means that the back of the stove should be 36 inches away from any combustible material, such as woodwork, unprotected walls, furniture and even firewood.

How close can wood stove be to wall with heat shield?

Minimum space between shield and combustibles: 21 mm (7/8 in.). Minimum clearance along the bottom of shield: 25 mm (1 in.).

What are the minimum clearance from combustible material above a residential type gas range?

Clause 7.32. 7 - When the underside of the combustible material above a residential-type range is protected with insulating millboard at least 0.25" (6mm) thick covered with sheet metal not less than 28 MSG (0.3mm), the clearance above the range as specified in Clause 7.32. 4 may be reduced to 24" (600mm).

Can you put cabinets above stove?

While your cabinets above the stove are not a good spot for perishables, lots of small items, and your most frequently used kitchen supplies, it can be used in many other ways. You can store a variety of items in your cabinets above the stove, including shelf stable foods and cooking oils.

What is the minimum distance between stove top and microwave?

In general, countertop microwaves should be at least 2 feet away from the cooktop, and because these models are not designed for over-the-range use, they should never be mounted above a cooktop.

How much space do you need on either side of a stove?

Allow at least 15 to 18 inches of counter space on one side of the oven. Allow counter space on both sides of the stove or stovetop – 12 to 18 inches on one side and 15 to 24 on the other.

Can a stove be up against a wall?

I would not advise against placing the stove right up against the wall. You are creating a fire hazard (the current installation sounds like a sub-standard set-up that you should repeat).

How high should a microwave be above a stove?

An overwhelming majority of home remodeling experts will recommend that you should have a minimum of sixty-six inches from the floor of the kitchen to the bottom of the microwave if it's installed above the cooktop. Installing the microwave at this height will make it easy to access for most people.

What is a combustible surface?

A combustible material is something that can burn (i.e., combust) in air. A combustible material is flammable if it ignites easily at ambient temperatures. In other words, a combustible material ignites with some effort and a flammable material catches fire immediately on exposure to flame.

How do you reduce clearance to combustibles?

Clearance should be three times the diameter of the pipe, e.g., a 6-inch pipe needs 18 inches of clearance. Heat shields may be used to reduce the clearance by the same ratio as for the stove. For example, with sheet metal you can reduce the clearance by two-thirds, from 18 inches to 6 inches.

How much clearance do you need for a chimney?

A clearance of at least 2 inches (51 mm) shall be provided between the exterior surfaces of interior masonry or concrete chimneys for all wood- burning appliances.

Is drywall combustible material?

Are Ordinary Drywall Panels Flammable? All drywall is fire-resistant to some degree. Also called gypsum board, ordinary drywall panels are made of a layer of soft, non-flammable mineral called gypsum pressed between two thick sheets of paper.

What is combustible material?

A combustible material is anything that is flammable. Sometimes this is not always obvious – the biggest offender being plasterboard with its cardboard outer which invariably uses a wooden frame for support (stud partitioned walls).

How does a radiant stove work?

Convector stoves use vertical channels behind the outer bodywork (most often at the sides) to draw cooler air in at the bottom of the channel, warm it as it passes upwards and then disperse it around the living space from the top of the channels. This means that the bodywork of a convector stove can be significantly cooler than that of a radiant stove and this will often provide a significant reduction to the safe distances to combustible materials.

Is a stove safe from CE testing?

Any stove which has been CE tested in a UK or EU notified laboratory will clearly state these safe distances within their instructions. The problem is that there are still a lot of stoves on the market which purport to be CE tested and which are clearly not (rest assured these are not sold by The Stove Yard) and therefore any declared minimum distances stated by these unscrupulous manufacturers or importers are likely to be pure guesswork on their part and must be assumed to be potentially unsafe.

Can you install a stove in a boat?

As previously stated, currently there is no standard for installing stoves in off-grid or non-domestic temporary structures, although Hetas, with the input of the stove industry, is currently working on new comprehensive guidance which it aims to publish in late 2020. In the meantime however, we can thoroughly recommend the Soliftec Canal Boat Guide for installing stoves in boats. Many of its safety considerations could equally be applied to the confined spaces and combustible structures of shepherds huts, garden offices and yurts etc. Finally if safety is in doubt always revert to the guidance in England and Wales Document J and BS8303.

Can you install a stove in a garden shed?

When the issue of combustible materials and minimum distances are considered and fully understood then installing a free-standing stove (not forgetting its flue) in garden sheds, shepherds huts and any manner of off-grid structures where virtually everything is combustible becomes a complete minefield. Just because there are, as yet, no specific regulations for non-domestic structures doesn't mean that you can just ignore the basic best practice developed over many years in the domestic sector.

How far from the back of a fireplace should a combustible be?

to combustibles of not less than 2 inches (51 mm) from the front faces and sides of masonry fireplaces and not less than 4 inches (102 mm) from the back faces ...

How much clearance between combustible walls and ceilings?

There shall be not less than 1 inch between clearance reduction systems and combustible walls and ceilings for reduction systems using ventilated air space.

What is the minimum clearance for a table M1306.2?

Table M1306.2 shall not be used to reduce the clearance required for solid -fuel appliances listed for installation with minimum clearances of 12 inches (305 mm) or less. For appliances listed for installation with minimum clearances greater than 12 inches (305 mm), Table M1306.2 shall not be used to reduce the clearance to less than 12 inches (305 mm).

How much air space is required between a combustible wall and a protection wall?

Not less than 1-inch (25 mm) air space shall be provided between the protection and combustible wall surface.

Does reduction of clearances from combustible materials interfere with combustion air?

Reduction of clearances from combustible materials shall not interfere with combustion air, draft hood clearance and relief, and accessibility of servicing.

How far should a stove be from combustible materials?

When looking to have a stove installed there are two separate distances to consider. The first is from the manufacturer of the stove and it is how far they say their appliance needs to be from any combustible materials. The second is stated in building regulations and refers to the distance any stove pipe must be from combustible materials, which is three times the pipe’s diameter.

What to do if your stove surround is too close to the stove?

If your surround is too close to the sides of the stove then some models have options convection/heat shield panels that can be attached to the stove and cut the required distance. Good examples of this are the Charnwood Cove and Island ranges as well as the Jotul F 162 and F602 ranges.

Can a freestanding stove be used as a twin wall?

This allows the stove to sit nearer the wall and not encroach too far into the room. A freestanding stove will be utilising a twinwall system. This can either be designed with a section of stove pipe between the stove and the twinwall flue, or with the twinwall flue connecting directly to the stove. If the combustible materials are too close, then ...

Can you shield a stove?

If you are looking to have a freestanding stove and the surfaces nearby are wooden or plasterboard then you can either look to shield the stove and pipe or the wall itself.

Can you use twinwall pipe on a stove?

This is a good solution if both the stove itself and the stove pipe are too close to the wooden surround. If the stove is a suitable distance away , but the pipe is causing the problem, then you can have a section of twinwall pipe in place of the standard stove pipe. The benefit of this is that this cuts the distance to the wood required down ...

Can you replace a wood stove surround?

The final option is to replace the existing wooden surround. You can get a traditional granite or stone surround or opt for a “timber effect” surround. These are made of not combustible materials so can be placed in any position around the stove. We have several examples of these in our showroom in Rochester.

Can you connect twinwall to stove?

If the combustible materials are too close, then connecting the twinwall directly to the stove is the best option. Shielding the wall is the other option available. This can be achieved by utilising vermiculite boards, tiling or a product such as the enamel Heat Shield Panels by Vlaze.

603.5.3.1 Gas or Fuel-Oil Heaters

A minimum of 18 inches (457 mm) shall be maintained between gas or fuel-oil heat-producing appliances and combustible materials.

603.5.3.2 Solid Fuel-Burning Heaters

A minimum of 36 inches (914 mm) shall be maintained between solid fuel-burning appliances and combustible materials.

What is Clearance to Combustible materials? or " How much safe space should I have around my stove?"

When considering where you are installing your stove then siting it too close to combustible material is clearly a fire hazard.

Combustible materials

You might have seen some examples on television, online or in magazines where combustible objects such as wood logs are stacked up against the side of a stove, This is fine when used as a decorative feature in the summer, but is not safe when the stove actually needs to be used!

Non-combustible materials

Not allowing for sufficient clearance between or around your stove and non-combustible materials ( such as brick work or masonry) will not only damage the stove body over time but also reduce radiant heat into the room, reducing the stove's overall effectiveness.

How far from stove to combustibles?

The 2006 IRC section 1901.1 requires 30 inches from stove to combustibles unless the stove manufacturer requires more.

How much clearance between microwave and range?

I sometimes drill and mount the hardware for those, and the specs recommend 69" plus or minus from floor to top of microwave, or 16"-19" clearance between the range and microwave bottom. If it's a high CFM rated, then you can go 24"-28" between stove and microwave.

How far from the floor should a 36" microwave be?

If you have a 36" high stove top (basically standard size), and you want clearance of 18" from bottom of microwave unit to stove top you are looking at the bottom of the 30" wide cabinet (a combustible) being 72" from the floor, and 36" from the stove top.

How tall is a microwave vent?

Figure the following that the combination microwave/hood vent unit is approximately 18" tall. Most manufacturers are slightly less than that. Also, they are designed to fit under a 30" wide cabinet. If you have a 36" high stove top (basically standard size), and you want clearance of 18" from bottom of microwave unit to stove top you are looking at the bottom of the 30" wide cabinet (a combustible) being 72" from the floor, and 36" from the stove top. I personally just went through this situation and I'd recommend that you have an electric outlet set at 74" or slightly more to power the unit.

How tall is an OTR microwave?

Most OTR microwave hood combos are 16 1/2" tall. If you are lining up with a standard 84" cabinet height then the cabinet above the microwave should be 13 1/2" tall. You can go higher up with a 12" high upper cabinet but should never go lower with a 15" high cabinet. Higher up is better than lower.

How far away from the countertop should a microwave be from a gas range?

However, they then decided on a microwave unit above a gas range, and the microwave manufacturer, Panasonic, stated that the unit could be within a minimum of 13 5/8" from the countertop for an electric stove, and 16" for a gas range.

How high should a microwave be off the floor?

Forum Responses. (Cabinet and Millwork Installation Forum) From contributor A: The general standard is 66" off the floor to the bottom of the cabinet or microwave. That is if you are using a standard 36" countertop height.

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1.Clearances to Combustible Materials for Fireplaces

Url:https://www.rockfordchimneysupply.com/blog/clearances_to_combustible_materials/

19 hours ago  · The NFPA calls for an 18" clearance to combustible walls for single wall stove pipe. Double wall stovepipe is used when you don't have 18" or more clearance from combustibles. Most of the double wall stove pipe allows for 6" clearance from wall combustibles and 8" from ceiling combustibles. Using a "Heat Shield" on a single wall stovepipe allows you to reduce the …

2.What is meant by 'minimum distance to combustible

Url:https://www.thestoveyard.com/pages/what-is-meant-by-minimum-distance-to-combustible-materials

18 hours ago Generally, the greater the heat output from the stove then the greater the safe minimum distances that are required – but not always. So if your minimum combustible distances are very tight then you may need to choose your stove based mainly on how easily it …

3.Clearances From Combustible Construction | UpCodes

Url:https://up.codes/s/clearances-from-combustible-construction

24 hours ago It is important to consider where your heating appliance is to be fitted and the distance to combustible and non-combustible materials. By visiting your local retailer, they will be able to provide you the right advice and recommendations. For specific measurements on the distance required to combustible and non-combustible materials, you must check your instruction …

4.Guide To Distance to Combustible Materials - The Stove …

Url:https://www.thestovehub.co.uk/stove-guides/guide-distance-combustible-materials/

18 hours ago It's important to refer to your instruction manual for the minimum clearance distances for your own model of stove. Home » Distance to combustibles. When choosing and installing heating appliances it is important to consider where the product is to be fitted and the distance to walls and other surfaces. The term “Clearance to Combustible materials” is the distance between the …

5.Heating Appliance Clearance to Combustible Materials

Url:https://up.codes/s/heating-appliance-clearance-to-combustible-materials

17 hours ago The first is from the manufacturer of the stove and it is how far they say their appliance needs to be from any combustible materials. The second is stated in building regulations and refers to the distance any stove pipe must be from combustible materials, which is …

6.Recommended appliance distance to materials - Arada …

Url:https://www.aradastoves.com/guide/distance-to-combustible-materials

8 hours ago A minimum of 18 inches (457 mm) shall be maintained between gas or fuel-oil heat-producing appliances and combustible materials. 603.5.3.2 Solid Fuel-Burning Heaters A minimum of 36 inches (914 mm) shall be maintained between solid …

7.Kitchen Cabinet Clearance Above Stove Top - WOODWEB

Url:https://www.woodweb.com/knowledge_base/Kitchen_Cabinet_Clearance.html

23 hours ago Whilst there is no legal definition for what this must be, as the manufacturer we suggest that stoves should be installed with a minimum of 100mm clearance to non-combustible materials all around the appliance.

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