Phenolic foam insulation - Revision history

Designing Buildings at 08:41, 28 June 2023

2023-06-28T08:41:13Z

← Older revision		Revision as of 08:41, 28 June 2023
Line 1:		Line 1:
		+	[https://www.historicenvironment.scot/archives-and-research/publications/publication/?publicationId=47c9f2eb-1ade-4a76-a775-add0008972f3 Guide to energy retrofit of traditional buildings], published by Historic Environment Scotland in November 2021, defines phenolic foam as: ‘A synthetic polymer made from thermosetting foam plastic and used in thermal insulation’
		+
	Phenolic foam is considered one of the best material for thermal insulation.		Phenolic foam is considered one of the best material for thermal insulation.

Designing Buildings at 06:34, 29 July 2022

2022-07-29T06:34:52Z

← Older revision		Revision as of 06:34, 29 July 2022
Line 12:		Line 12:

	The most common blowing agent used in phenolic foam insulation is ‘Pentane’. This is used to comply with EC regulation, because it is CFC and HCFC free, has no ozone depletion potential and low global warming potential. Pentane is a hydrocarbon. In order to prevent the blowing agent escaping and being replaced by air, the insulation boards are covered with gas tight aluminium foil or glass tissue.		The most common blowing agent used in phenolic foam insulation is ‘Pentane’. This is used to comply with EC regulation, because it is CFC and HCFC free, has no ozone depletion potential and low global warming potential. Pentane is a hydrocarbon. In order to prevent the blowing agent escaping and being replaced by air, the insulation boards are covered with gas tight aluminium foil or glass tissue.
		+
		+	[https://www.bsria.com/uk/product/oBKRqD/illustrated_guide_to_mechanical_building_services_3rd_edition_bg_312017_a15d25e1/ Illustrated Guide to Mechanical Building Services 3rd Edition (BG 31/2017)], written by David Bleicher and published by BSRIA in May 2017, suggests that phenolic foam is: ‘A solid foam insulation with good thermal performance that can be used on most systems. As with mineral wool insulation, if used on cold water, chilled water or refrigeration pipework, it must be vapour sealed to reduce the risk of condensation forming on the pipe surface.’

	= Related articles on Designing Buildings =		= Related articles on Designing Buildings =
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	* U-value.		* U-value.

−	~~[[Category:Articles_needing_more_work]]~~ [[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:DCN_Product_Knowledge]] [[Category:Products_/_components]]	+	[[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:DCN_Product_Knowledge]] [[Category:Products_/_components]]

Designing Buildings at 07:49, 25 May 2022

2022-05-25T07:49:28Z

← Older revision		Revision as of 07:49, 25 May 2022
Line 13:		Line 13:
	The most common blowing agent used in phenolic foam insulation is ‘Pentane’. This is used to comply with EC regulation, because it is CFC and HCFC free, has no ozone depletion potential and low global warming potential. Pentane is a hydrocarbon. In order to prevent the blowing agent escaping and being replaced by air, the insulation boards are covered with gas tight aluminium foil or glass tissue.		The most common blowing agent used in phenolic foam insulation is ‘Pentane’. This is used to comply with EC regulation, because it is CFC and HCFC free, has no ozone depletion potential and low global warming potential. Pentane is a hydrocarbon. In order to prevent the blowing agent escaping and being replaced by air, the insulation boards are covered with gas tight aluminium foil or glass tissue.

−	= Related articles on Designing Buildings ~~Wiki~~ =	+	= Related articles on Designing Buildings =

	* Aerogel insulation for buildings.		* Aerogel insulation for buildings.

Designing Buildings at 09:33, 2 October 2020

2020-10-02T09:33:04Z

← Older revision		Revision as of 09:33, 2 October 2020
Line 1:		Line 1:
−	~~This article needs more work. To help develop this article, click 'Edit this article' above.~~
−
−	~~-----~~
	Phenolic foam is considered one of the best material for thermal insulation.		Phenolic foam is considered one of the best material for thermal insulation.

Line 16:		Line 13:
	The most common blowing agent used in phenolic foam insulation is ‘Pentane’. This is used to comply with EC regulation, because it is CFC and HCFC free, has no ozone depletion potential and low global warming potential. Pentane is a hydrocarbon. In order to prevent the blowing agent escaping and being replaced by air, the insulation boards are covered with gas tight aluminium foil or glass tissue.		The most common blowing agent used in phenolic foam insulation is ‘Pentane’. This is used to comply with EC regulation, because it is CFC and HCFC free, has no ozone depletion potential and low global warming potential. Pentane is a hydrocarbon. In order to prevent the blowing agent escaping and being replaced by air, the insulation boards are covered with gas tight aluminium foil or glass tissue.

−	~~= Find out more =~~	+	= Related articles on Designing Buildings Wiki =
−		+
−	=== Related articles on Designing Buildings Wiki ===	+

	* Aerogel insulation for buildings.		* Aerogel insulation for buildings.
Line 35:		Line 30:
	* U-value.		* U-value.

−	[[Category:Articles_needing_more_work]] [[Category:~~Products_/_components~~]] [[Category:DCN_Product_Knowledge]]	+	[[Category:Articles_needing_more_work]] [[Category:DCN_Definition]] [[Category:DCN_Guidance]] [[Category:DCN_Product_Knowledge]] [[Category:Products_/_components]]

Editor at 21:54, 5 August 2020

2020-08-05T21:54:42Z

← Older revision		Revision as of 21:54, 5 August 2020
Line 1:		Line 1:
−
	This article needs more work. To help develop this article, click 'Edit this article' above.		This article needs more work. To help develop this article, click 'Edit this article' above.

−	----	+	-----
−		+
	Phenolic foam is considered one of the best material for thermal insulation.		Phenolic foam is considered one of the best material for thermal insulation.
−	*It has over 90% closed cell formation, giving it good stability.	+
−	*Phenolic foams come in varying densities in the range of 35 kg/m³ to 200 kg/m³. High density varieties such as insulation boards have good strength and are suitable for floor insulation.	+	* It has over 90% closed cell formation, giving it good stability.
−	*It has low thermal conductivity. The thermal conductivity of phenolic closed cell insulation material is generally between 0.018 W/m.K and 0.023 W/m.K.	+	* Phenolic foams come in varying densities in the range of 35 kg/m³ to 200 kg/m³. High density varieties such as insulation boards have good strength and are suitable for floor insulation.
−	*It has fire retardant properties and a low smoke level (even under pyrolysis).	+	* It has low thermal conductivity. The thermal conductivity of phenolic closed cell insulation material is generally between 0.018 W/m.K and 0.023 W/m.K.
−	*It is water resistant.	+	* It has fire retardant properties and a low smoke level (even under pyrolysis).
−	*It is lightweight and so is easy to transport and install.	+	* It is water resistant.
−	*Closed cell phenolic insulation foam can resist almost all inorganic acidic erosion, organic solvents and acids. However, it under-performs in alkaline environments.	+	* It is lightweight and so is easy to transport and install.
−	*When exposed to sunlight for long periods it does not show any noticeable ageing.	+	* Closed cell phenolic insulation foam can resist almost all inorganic acidic erosion, organic solvents and acids. However, it under-performs in alkaline environments.
−	*Insulation boards show good sound absorption properties.	+	* When exposed to sunlight for long periods it does not show any noticeable ageing.
		+	* Insulation boards show good sound absorption properties.

	The most common blowing agent used in phenolic foam insulation is ‘Pentane’. This is used to comply with EC regulation, because it is CFC and HCFC free, has no ozone depletion potential and low global warming potential. Pentane is a hydrocarbon. In order to prevent the blowing agent escaping and being replaced by air, the insulation boards are covered with gas tight aluminium foil or glass tissue.		The most common blowing agent used in phenolic foam insulation is ‘Pentane’. This is used to comply with EC regulation, because it is CFC and HCFC free, has no ozone depletion potential and low global warming potential. Pentane is a hydrocarbon. In order to prevent the blowing agent escaping and being replaced by air, the insulation boards are covered with gas tight aluminium foil or glass tissue.
Line 20:		Line 19:

	=== Related articles on Designing Buildings Wiki ===		=== Related articles on Designing Buildings Wiki ===
−	*Aerogel insulation for buildings.
−	*Cavity wall insulation.
−	*Conduction.
−	*Heat transfer.
−	*Interstitial condensation.
−	*Phase change materials.
−	*Polyurethane spray foam in structurally insulated panels and composite structures.
−	*Solid wall insulation.
−	*Sound insulation.
−	*Thermal bridge.
−	*Thermal comfort.
−	*Transparent insulation.
−	*U-value.

−	[[Category:Articles_needing_more_work]]	+	* Aerogel insulation for buildings.
−	[[Category:Products_/_components]]	+	* Cavity wall insulation.
		+	* Conduction.
		+	* Fire retardant.
		+	* Heat transfer.
		+	* Interstitial condensation.
		+	* Phase change materials.
		+	* Polyurethane spray foam in structurally insulated panels and composite structures.
		+	* Solid wall insulation.
		+	* Sound insulation.
		+	* Thermal bridge.
		+	* Thermal comfort.
		+	* Transparent insulation.
		+	* U-value.
		+
		+	[[Category:Articles_needing_more_work]] [[Category:Products_/_components]] [[Category:DCN_Product_Knowledge]]

Designing Buildings: Reverted edits by 78.163.99.72 (talk) to last revision by Designing Buildings

2019-12-27T21:19:27Z

Reverted edits by 78.163.99.72 (talk) to last revision by Designing Buildings

← Older revision		Revision as of 21:19, 27 December 2019
Line 1:		Line 1:
		+
	This article needs more work. To help develop this article, click 'Edit this article' above.		This article needs more work. To help develop this article, click 'Edit this article' above.

−	-----	+	----
		+
	Phenolic foam is considered one of the best material for thermal insulation.		Phenolic foam is considered one of the best material for thermal insulation.
−		+	*It has over 90% closed cell formation, giving it good stability.
−	* ~~eswgvewjlkVBGER5HUT4~~ in varying densities in the range of 35 kg/m³ to 200 kg/m³. High density varieties such as insulation boards have good strength and are suitable for floor insulation.	+	*Phenolic foams come in varying densities in the range of 35 kg/m³ to 200 kg/m³. High density varieties such as insulation boards have good strength and are suitable for floor insulation.
−	* It has low thermal conductivity. The thermal conductivity of phenolic closed cell insulation material is generally between 0.018 W/m.K and 0.023 W/m.K.	+	*It has low thermal conductivity. The thermal conductivity of phenolic closed cell insulation material is generally between 0.018 W/m.K and 0.023 W/m.K.
−	* It has fire retardant properties and a low smoke level (even under pyrolysis).	+	*It has fire retardant properties and a low smoke level (even under pyrolysis).
−	* It is water resistant.	+	*It is water resistant.
−	* It is lightweight and so is easy to transport and install.	+	*It is lightweight and so is easy to transport and install.
−	* Closed cell phenolic insulation foam can resist almost all inorganic acidic erosion, organic solvents and acids. However, it under-performs in alkaline environments.	+	*Closed cell phenolic insulation foam can resist almost all inorganic acidic erosion, organic solvents and acids. However, it under-performs in alkaline environments.
−	* When exposed to sunlight for long periods it does not show any noticeable ageing.	+	*When exposed to sunlight for long periods it does not show any noticeable ageing.
−	* Insulation boards show good sound absorption properties.	+	*Insulation boards show good sound absorption properties.

	The most common blowing agent used in phenolic foam insulation is ‘Pentane’. This is used to comply with EC regulation, because it is CFC and HCFC free, has no ozone depletion potential and low global warming potential. Pentane is a hydrocarbon. In order to prevent the blowing agent escaping and being replaced by air, the insulation boards are covered with gas tight aluminium foil or glass tissue.		The most common blowing agent used in phenolic foam insulation is ‘Pentane’. This is used to comply with EC regulation, because it is CFC and HCFC free, has no ozone depletion potential and low global warming potential. Pentane is a hydrocarbon. In order to prevent the blowing agent escaping and being replaced by air, the insulation boards are covered with gas tight aluminium foil or glass tissue.
Line 18:		Line 20:

	=== Related articles on Designing Buildings Wiki ===		=== Related articles on Designing Buildings Wiki ===
		+	*Aerogel insulation for buildings.
		+	*Cavity wall insulation.
		+	*Conduction.
		+	*Heat transfer.
		+	*Interstitial condensation.
		+	*Phase change materials.
		+	*Polyurethane spray foam in structurally insulated panels and composite structures.
		+	*Solid wall insulation.
		+	*Sound insulation.
		+	*Thermal bridge.
		+	*Thermal comfort.
		+	*Transparent insulation.
		+	*U-value.

−	* Aerogel insulation for buildings.	+	[[Category:Articles_needing_more_work]]
−	* Cavity wall insulation.	+	[[Category:Products_/_components]]
−	* Conduction.	+
−	* Heat transfer.	+
−	* Interstitial condensation.	+
−	* Phase change materials.	+
−	* Polyurethane spray foam in structurally insulated panels and composite structures.	+
−	* Solid wall insulation.	+
−	* Sound insulation.	+
−	* Thermal bridge.	+
−	* Thermal comfort.	+
−	* Transparent insulation.	+
−	* U-value.	+
−		+
−	[[Category:Articles_needing_more_work]] [[Category:Products_/_components]]	+

78.163.99.72 at 20:34, 27 December 2019

2019-12-27T20:34:53Z

← Older revision		Revision as of 20:34, 27 December 2019
Line 1:		Line 1:
−
	This article needs more work. To help develop this article, click 'Edit this article' above.		This article needs more work. To help develop this article, click 'Edit this article' above.

−	----	+	-----
−		+
	Phenolic foam is considered one of the best material for thermal insulation.		Phenolic foam is considered one of the best material for thermal insulation.
−	*It has over 90% closed cell formation, giving it good stability.	+
−	*~~Phenolic foams come~~ in varying densities in the range of 35 kg/m³ to 200 kg/m³. High density varieties such as insulation boards have good strength and are suitable for floor insulation.	+	* eswgvewjlkVBGER5HUT4 in varying densities in the range of 35 kg/m³ to 200 kg/m³. High density varieties such as insulation boards have good strength and are suitable for floor insulation.
−	*It has low thermal conductivity. The thermal conductivity of phenolic closed cell insulation material is generally between 0.018 W/m.K and 0.023 W/m.K.	+	* It has low thermal conductivity. The thermal conductivity of phenolic closed cell insulation material is generally between 0.018 W/m.K and 0.023 W/m.K.
−	*It has fire retardant properties and a low smoke level (even under pyrolysis).	+	* It has fire retardant properties and a low smoke level (even under pyrolysis).
−	*It is water resistant.	+	* It is water resistant.
−	*It is lightweight and so is easy to transport and install.	+	* It is lightweight and so is easy to transport and install.
−	*Closed cell phenolic insulation foam can resist almost all inorganic acidic erosion, organic solvents and acids. However, it under-performs in alkaline environments.	+	* Closed cell phenolic insulation foam can resist almost all inorganic acidic erosion, organic solvents and acids. However, it under-performs in alkaline environments.
−	*When exposed to sunlight for long periods it does not show any noticeable ageing.	+	* When exposed to sunlight for long periods it does not show any noticeable ageing.
−	*Insulation boards show good sound absorption properties.	+	* Insulation boards show good sound absorption properties.

	The most common blowing agent used in phenolic foam insulation is ‘Pentane’. This is used to comply with EC regulation, because it is CFC and HCFC free, has no ozone depletion potential and low global warming potential. Pentane is a hydrocarbon. In order to prevent the blowing agent escaping and being replaced by air, the insulation boards are covered with gas tight aluminium foil or glass tissue.		The most common blowing agent used in phenolic foam insulation is ‘Pentane’. This is used to comply with EC regulation, because it is CFC and HCFC free, has no ozone depletion potential and low global warming potential. Pentane is a hydrocarbon. In order to prevent the blowing agent escaping and being replaced by air, the insulation boards are covered with gas tight aluminium foil or glass tissue.
Line 20:		Line 18:

	=== Related articles on Designing Buildings Wiki ===		=== Related articles on Designing Buildings Wiki ===
−	*Aerogel insulation for buildings.
−	*Cavity wall insulation.
−	*Conduction.
−	*Heat transfer.
−	*Interstitial condensation.
−	*Phase change materials.
−	*Polyurethane spray foam in structurally insulated panels and composite structures.
−	*Solid wall insulation.
−	*Sound insulation.
−	*Thermal bridge.
−	*Thermal comfort.
−	*Transparent insulation.
−	*U-value.

−	[[Category:Articles_needing_more_work]]	+	* Aerogel insulation for buildings.
−	[[Category:Products_/_components]]	+	* Cavity wall insulation.
		+	* Conduction.
		+	* Heat transfer.
		+	* Interstitial condensation.
		+	* Phase change materials.
		+	* Polyurethane spray foam in structurally insulated panels and composite structures.
		+	* Solid wall insulation.
		+	* Sound insulation.
		+	* Thermal bridge.
		+	* Thermal comfort.
		+	* Transparent insulation.
		+	* U-value.
		+
		+	[[Category:Articles_needing_more_work]] [[Category:Products_/_components]]

Designing Buildings: Reverted edits by 81.151.119.220 (talk) to last revision by Designing Buildings

2018-04-22T07:01:14Z

Reverted edits by 81.151.119.220 (talk) to last revision by Designing Buildings

← Older revision		Revision as of 07:01, 22 April 2018
Line 1:		Line 1:
		+
	This article needs more work. To help develop this article, click 'Edit this article' above.		This article needs more work. To help develop this article, click 'Edit this article' above.

−	-----	+	----
		+
	Phenolic foam is considered one of the best material for thermal insulation.		Phenolic foam is considered one of the best material for thermal insulation.
−		+	*It has over 90% closed cell formation, giving it good stability.
−	* It has over 90% closed cell formation, giving it good stability.	+	*Phenolic foams come in varying densities in the range of 35 kg/m³ to 200 kg/m³. High density varieties such as insulation boards have good strength and are suitable for floor insulation.
−	* Phenolic foams come in varying densities in the range of 35 kg/m³ to 200 kg/m³. High density varieties such as insulation boards have good strength and are suitable for floor insulation.	+	*It has low thermal conductivity. The thermal conductivity of phenolic closed cell insulation material is generally between 0.018 W/m.K and 0.023 W/m.K.
−	* It has low thermal conductivity. The thermal conductivity of phenolic closed cell insulation material is generally between 0.018 W/m.K and 0.023 W/m.K.	+	*It has fire retardant properties and a low smoke level (even under pyrolysis).
−	* It has fire retardant properties and a low smoke level (even under pyrolysis).	+	*It is water resistant.
−	* It is water resistant.	+	*It is lightweight and so is easy to transport and install.
−	* It is lightweight and so is easy to transport and install.	+	*Closed cell phenolic insulation foam can resist almost all inorganic acidic erosion, organic solvents and acids. However, it under-performs in alkaline environments.
−	* Closed cell phenolic insulation foam can resist almost all inorganic acidic erosion, organic solvents and acids. However, it under-performs in alkaline environments.	+	*When exposed to sunlight for long periods it does not show any noticeable ageing.
−	* When exposed to sunlight for long periods it does not show any noticeable ageing.	+	*Insulation boards show good sound absorption properties.
−	* Insulation boards show good sound absorption properties.	+

	The most common blowing agent used in phenolic foam insulation is ‘Pentane’. This is used to comply with EC regulation, because it is CFC and HCFC free, has no ozone depletion potential and low global warming potential. Pentane is a hydrocarbon. In order to prevent the blowing agent escaping and being replaced by air, the insulation boards are covered with gas tight aluminium foil or glass tissue.		The most common blowing agent used in phenolic foam insulation is ‘Pentane’. This is used to comply with EC regulation, because it is CFC and HCFC free, has no ozone depletion potential and low global warming potential. Pentane is a hydrocarbon. In order to prevent the blowing agent escaping and being replaced by air, the insulation boards are covered with gas tight aluminium foil or glass tissue.
Line 19:		Line 20:

	=== Related articles on Designing Buildings Wiki ===		=== Related articles on Designing Buildings Wiki ===
		+	*Aerogel insulation for buildings.
		+	*Cavity wall insulation.
		+	*Conduction.
		+	*Heat transfer.
		+	*Interstitial condensation.
		+	*Phase change materials.
		+	*Polyurethane spray foam in structurally insulated panels and composite structures.
		+	*Solid wall insulation.
		+	*Sound insulation.
		+	*Thermal bridge.
		+	*Thermal comfort.
		+	*Transparent insulation.
		+	*U-value.

−	* Aerogel insulation for buildings.	+	[[Category:Articles_needing_more_work]]
−	* Cavity wall insulation.	+	[[Category:Products_/_components]]
−	* Conduction.	+
−	* Heat transfer.	+
−	* Interstitial condensation.	+
−	* Phase change materials.	+
−	* Polyurethane spray foam in structurally insulated panels and composite structures.	+
−	* Solid wall insulation.	+
−	* Sound insulation.	+
−	* Thermal bridge.	+
−	* Thermal comfort.	+
−	* Transparent insulation.	+
−	* U-value.	+
−		+
−	[[Category:Articles_needing_more_work]] [[Category:Products_/_components]]	+

81.151.119.220 at 10:54, 21 April 2018

2018-04-21T10:54:38Z

← Older revision		Revision as of 10:54, 21 April 2018
Line 1:		Line 1:
−
	This article needs more work. To help develop this article, click 'Edit this article' above.		This article needs more work. To help develop this article, click 'Edit this article' above.

−	----	+	-----
−		+
	Phenolic foam is considered one of the best material for thermal insulation.		Phenolic foam is considered one of the best material for thermal insulation.
−	*It has over 90% closed cell formation, giving it good stability.	+
−	*Phenolic foams come in varying densities in the range of 35 kg/m³ to 200 kg/m³. High density varieties such as insulation boards have good strength and are suitable for floor insulation.	+	* It has over 90% closed cell formation, giving it good stability.
−	*It has low thermal conductivity. The thermal conductivity of phenolic closed cell insulation material is generally between 0.018 W/m.K and 0.023 W/m.K.	+	* Phenolic foams come in varying densities in the range of 35 kg/m³ to 200 kg/m³. High density varieties such as insulation boards have good strength and are suitable for floor insulation.
−	*It has fire retardant properties and a low smoke level (even under pyrolysis).	+	* It has low thermal conductivity. The thermal conductivity of phenolic closed cell insulation material is generally between 0.018 W/m.K and 0.023 W/m.K.
−	*It is water resistant.	+	* It has fire retardant properties and a low smoke level (even under pyrolysis).
−	*It is lightweight and so is easy to transport and install.	+	* It is water resistant.
−	*Closed cell phenolic insulation foam can resist almost all inorganic acidic erosion, organic solvents and acids. However, it under-performs in alkaline environments.	+	* It is lightweight and so is easy to transport and install.
−	*When exposed to sunlight for long periods it does not show any noticeable ageing.	+	* Closed cell phenolic insulation foam can resist almost all inorganic acidic erosion, organic solvents and acids. However, it under-performs in alkaline environments.
−	*Insulation boards show good sound absorption properties.	+	* When exposed to sunlight for long periods it does not show any noticeable ageing.
		+	* Insulation boards show good sound absorption properties.

	The most common blowing agent used in phenolic foam insulation is ‘Pentane’. This is used to comply with EC regulation, because it is CFC and HCFC free, has no ozone depletion potential and low global warming potential. Pentane is a hydrocarbon. In order to prevent the blowing agent escaping and being replaced by air, the insulation boards are covered with gas tight aluminium foil or glass tissue.		The most common blowing agent used in phenolic foam insulation is ‘Pentane’. This is used to comply with EC regulation, because it is CFC and HCFC free, has no ozone depletion potential and low global warming potential. Pentane is a hydrocarbon. In order to prevent the blowing agent escaping and being replaced by air, the insulation boards are covered with gas tight aluminium foil or glass tissue.
Line 20:		Line 19:

	=== Related articles on Designing Buildings Wiki ===		=== Related articles on Designing Buildings Wiki ===
−	*Aerogel insulation for buildings.
−	*Cavity wall insulation.
−	*Conduction.
−	*Heat transfer.
−	*Interstitial condensation.
−	*Phase change materials.
−	*Polyurethane spray foam in structurally insulated panels and composite structures.
−	*Solid wall insulation.
−	*Sound insulation.
−	*Thermal bridge.
−	*Thermal comfort.
−	*Transparent insulation.
−	*U-value.

−	[[Category:Articles_needing_more_work]]	+	* Aerogel insulation for buildings.
−	[[Category:Products_/_components]]	+	* Cavity wall insulation.
		+	* Conduction.
		+	* Heat transfer.
		+	* Interstitial condensation.
		+	* Phase change materials.
		+	* Polyurethane spray foam in structurally insulated panels and composite structures.
		+	* Solid wall insulation.
		+	* Sound insulation.
		+	* Thermal bridge.
		+	* Thermal comfort.
		+	* Transparent insulation.
		+	* U-value.
		+
		+	[[Category:Articles_needing_more_work]] [[Category:Products_/_components]]

Designing Buildings at 14:49, 15 December 2014

2014-12-15T14:49:49Z

← Older revision		Revision as of 14:49, 15 December 2014
Line 5:		Line 5:

	Phenolic foam is considered one of the best material for thermal insulation.		Phenolic foam is considered one of the best material for thermal insulation.
−	*It has over 90% closed cell formation, giving it good stability~~, and high~~ density varieties such as insulation boards have a good strength and are suitable for floor insulation.	+	*It has over 90% closed cell formation, giving it good stability.
−	*It has low thermal conductivity~~, fire retardant properties, has low smoke level (even under pyrolysis) and is water resistant~~.	+	*Phenolic foams come in varying densities in the range of 35 kg/m³ to 200 kg/m³. High density varieties such as insulation boards have good strength and are suitable for floor insulation.
−	*It is lightweight and so easy to transport and install.	+	*It has low thermal conductivity. The thermal conductivity of phenolic closed cell insulation material is generally between 0.018 W/m.K and 0.023 W/m.K.
−	*Phenolic insulation is resistant to acid, but under-performs in alkali environment.	+	*It has fire retardant properties and a low smoke level (even under pyrolysis).
−	*The thermal conductivity of phenolic closed cell insulation material is generally between 0.018 W/m.K and 0.023 W/m.K.	+	*It is water resistant.
−	*~~Phenolic foams come in varying densities in the range of 35 kg/m³ to 200 kg/m³.~~ It has ~~with~~ low smoke ~~levels~~ .	+	*It is lightweight and so is easy to transport and install.
−	*Closed cell phenolic insulation foam can resist almost all inorganic acidic erosion, organic solvents and acids.	+	*Closed cell phenolic insulation foam can resist almost all inorganic acidic erosion, organic solvents and acids. However, it under-performs in alkaline environments.
−	*When exposed ~~under high~~ sunlight for long periods it does not show any noticeable ageing.	+	*When exposed to sunlight for long periods it does not show any noticeable ageing.
	*Insulation boards show good sound absorption properties.		*Insulation boards show good sound absorption properties.

−	The most common blowing agent used in phenolic ~~type of~~ insulation is ‘Pentane’. This is used to comply with EC regulation, because it is CFC and HCFC free, has no ozone depletion potential and low global warming potential. Pentane is a hydrocarbon. In order to prevent the blowing agent escaping and being replaced by air, the insulation boards are covered with gas tight aluminium foil or glass tissue.	+	The most common blowing agent used in phenolic foam insulation is ‘Pentane’. This is used to comply with EC regulation, because it is CFC and HCFC free, has no ozone depletion potential and low global warming potential. Pentane is a hydrocarbon. In order to prevent the blowing agent escaping and being replaced by air, the insulation boards are covered with gas tight aluminium foil or glass tissue.

	= Find out more =		= Find out more =