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• HRS Air Tightness SUMMARY
• Air Tightness Homepage
• Air Tightness - a Definition
• Part L Regulations - October 2010
• Part L Glossary
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• Air Test - Domestic Dwelling
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• Example Air Tightness Test
• Smoke Test
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• Frequently Asked Questions
• Theory of Air Tightness
• Air Tightness - Related Services

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• FILE UPLOADS: To speed up the quotation process, please send us any of the following drawings If you have them available: Floor Plans, Sections or Elevations etc.

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SBEM

Simplified Building Energy Model: thermal model/energy calculation used for non domestic buildings

SAP

Standard Assessment Procedure: thermal model/energy calculation used for dwellings

BCO

Building Control Officer

BER

Building Energy Rating

EPC

Energy Performance Certificate (A-G to show building’s proposed energy usage)

BRIS SOLEIL

Shading structure on front/above the windows to reduce direct sun/solar glare

SOLAR GLARE / SOLAR GAIN

Heat produced by direct sunlight on a structure

ATRIA

Large open space, similar to an internal courtyard but glazed over

THERMAL BRIDGING

The interface/connection detail between elements which may allow an increased amount of heat loss compared to the normal wall, i.e. detail of the junction around windows

BIOMASS

Wood burning boiler instead of traditional oil or gas burner

CONSEQUENTIAL IMPROVEMENT

This is a building regulations term that means that when building an extension, the existing building elements should be improved as part of the project ‘as a consequence’ of the extension

FIXED BUILDING SERVICES

Installation of new mechanical and electrical services may be required to comply to building regulations – speak to Building Control Officer

TER

Target (Carbon Dioxide) Emission Rate

Part L Glossary (PDF)

If you would like to view more in depth information please click our Downloads link where you will find HRS's 5 page summary document 'Part L 2010 - what you need to know' and the full Part L approved document.

If you have any questions or need help, advice or a quotation, please e-mail Rebecca Oxley or call: 0800 030 4391.

HRS Guide to Compliance - from Concept to Completion (pdf) >

Related Services >

Air Tightness - Case Studies

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