U-value calculator					1
	Element and exposure
	Element:	Floor Roof Wall
	Exposure:	Normal Severe Sheltered
	Conditions
		Temp C	RH %
	Internal:
	External:
	Details of structure
		Thickness	Conductivity	Resistance	Condensation
	Layer	(mm)	(W/mK)	(m2K/W)	risk?
	Internal surface
	Aluminium Asbestos Block, Dense Block, Light Block, Thermal Brick, Inner Brick, Outer Cavity Concrete, Innner Concrete, Outer Corkboard E P S Ebonite Felt Fibreboard Foamglass Glass Glassfibre Gloss Paint Hardboard Isocyanurate P V C Plaster, Dense Plaster, Light Plasterboard Plywood Polyurethane Render Rockwool Steel Stone Strawboard Tiles, Glazed Urea Formaldehyde Wood, Hard Wood, Soft Woodwool
	Aluminium Asbestos Block, Dense Block, Light Block, Thermal Brick, Inner Brick, Outer Cavity Concrete, Innner Concrete, Outer Corkboard E P S Ebonite Felt Fibreboard Foamglass Glass Glassfibre Gloss Paint Hardboard Isocyanurate P V C Plaster, Dense Plaster, Light Plasterboard Plywood Polyurethane Render Rockwool Steel Stone Strawboard Tiles, Glazed Urea Formaldehyde Wood, Hard Wood, Soft Woodwool
	Aluminium Asbestos Block, Dense Block, Light Block, Thermal Brick, Inner Brick, Outer Cavity Concrete, Innner Concrete, Outer Corkboard E P S Ebonite Felt Fibreboard Foamglass Glass Glassfibre Gloss Paint Hardboard Isocyanurate P V C Plaster, Dense Plaster, Light Plasterboard Plywood Polyurethane Render Rockwool Steel Stone Strawboard Tiles, Glazed Urea Formaldehyde Wood, Hard Wood, Soft Woodwool
	Aluminium Asbestos Block, Dense Block, Light Block, Thermal Brick, Inner Brick, Outer Cavity Concrete, Innner Concrete, Outer Corkboard E P S Ebonite Felt Fibreboard Foamglass Glass Glassfibre Gloss Paint Hardboard Isocyanurate P V C Plaster, Dense Plaster, Light Plasterboard Plywood Polyurethane Render Rockwool Steel Stone Strawboard Tiles, Glazed Urea Formaldehyde Wood, Hard Wood, Soft Woodwool
	Aluminium Asbestos Block, Dense Block, Light Block, Thermal Brick, Inner Brick, Outer Cavity Concrete, Innner Concrete, Outer Corkboard E P S Ebonite Felt Fibreboard Foamglass Glass Glassfibre Gloss Paint Hardboard Isocyanurate P V C Plaster, Dense Plaster, Light Plasterboard Plywood Polyurethane Render Rockwool Steel Stone Strawboard Tiles, Glazed Urea Formaldehyde Wood, Hard Wood, Soft Woodwool
	Aluminium Asbestos Block, Dense Block, Light Block, Thermal Brick, Inner Brick, Outer Cavity Concrete, Innner Concrete, Outer Corkboard E P S Ebonite Felt Fibreboard Foamglass Glass Glassfibre Gloss Paint Hardboard Isocyanurate P V C Plaster, Dense Plaster, Light Plasterboard Plywood Polyurethane Render Rockwool Steel Stone Strawboard Tiles, Glazed Urea Formaldehyde Wood, Hard Wood, Soft Woodwool
	Aluminium Asbestos Block, Dense Block, Light Block, Thermal Brick, Inner Brick, Outer Cavity Concrete, Innner Concrete, Outer Corkboard E P S Ebonite Felt Fibreboard Foamglass Glass Glassfibre Gloss Paint Hardboard Isocyanurate P V C Plaster, Dense Plaster, Light Plasterboard Plywood Polyurethane Render Rockwool Steel Stone Strawboard Tiles, Glazed Urea Formaldehyde Wood, Hard Wood, Soft Woodwool
	Aluminium Asbestos Block, Dense Block, Light Block, Thermal Brick, Inner Brick, Outer Cavity Concrete, Innner Concrete, Outer Corkboard E P S Ebonite Felt Fibreboard Foamglass Glass Glassfibre Gloss Paint Hardboard Isocyanurate P V C Plaster, Dense Plaster, Light Plasterboard Plywood Polyurethane Render Rockwool Steel Stone Strawboard Tiles, Glazed Urea Formaldehyde Wood, Hard Wood, Soft Woodwool
	External surface
		Total resistance			m2K/W
	U-VALUE		W/m2K