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© Stroma Development Ltd 2013 | Version 1.1 Stroma – insulation Insulation Wall insulation Cavity wall insulation / Solid wall insulation Roof insulation Floor insulation
© Stroma Development Ltd 2013 | Version 1.1 Stroma – insulation Cavity wall insulation The insulation can either be – Cavity fill (Retro-fitted) – As built Retro fitted insulation means the insulation has been installed after initial construction, this is more common in older properties, usually built before 1980, but can be found in more modern properties As built insulation means the insulation was installed when the property was built, usually so the building complies with building regulations. As built insulation does not need to be specified in the software, stating ‘As Built’ will mean the software assumes there is insulation in line with building regulations for the date of the building
© Stroma Development Ltd 2013 | Version 1.1 Stroma – insulation “As Built” Cavity Insulation
© Stroma Development Ltd 2013 | Version 1.1 Stroma – insulation Cavity wall Insulation
© Stroma Development Ltd 2013 | Version 1.1 Stroma – insulation Retro-fit Cavity Insulation This insulation is pumped into the building through small holes drilled into the brick work
© Stroma Development Ltd 2013 | Version 1.1 Stroma – insulation Look for Drill Fill Holes The drill holes leave a vital bit of evidence to show a wall is insulated The drill holes are in a regular pattern, usually 2 or 3 under each window The drill holes are always in the mortar at a brick joint
© Stroma Development Ltd 2013 | Version 1.1 Stroma – insulation Drill Holes This is generally the pattern of drill holes you will see for cavity fill
© Stroma Development Ltd 2013 | Version 1.1 Stroma – insulation What about this? If you come across drill holes, the are not cavity drill holes. These are the marks where wall ties have been replaced Wall Tie Replacement
© Stroma Development Ltd 2013 | Version 1.1 Stroma – insulation What are these holes for? Damp proof course injected into 1 course of bricks at ground level, usually on older properties which either had no damp proof course of the DPC failed DPC Injection
© Stroma Development Ltd 2013 | Version 1.1 Stroma – insulation Solid wall – External Insulation To identify if a property has solid/external wall insulation have a look for an extra face on the wall. Typically it will have a step at the bottom of the wall and the bottom two rows of bricks will be visible.
© Stroma Development Ltd 2013 | Version 1.1 Stroma – insulation Solid wall – External Insulation
© Stroma Development Ltd 2013 | Version 1.1 Stroma – insulation Thickness of Internal/External Wall Insulation The thickness of internal or external wall insulation can be specified. Options are: 50, 100, 150mm or Unknown Selecting unknown will automatically default to 50mm U-value can be entered if known and there is documentary evidence
© Stroma Development Ltd 2013 | Version 1.1 Stroma – insulation Cavity Wall with Internal/External Insulation RDSAP allows a cavity wall with a filled cavity to be entered with additional internal or external insulation. The thickness of the internal or external insulation should be recorded where possible Convention 3.07: ‘If there is both internal and external wall insulation add the insulation thicknesses together and enter as external ’
© Stroma Development Ltd 2013 | Version 1.1 Stroma – insulation Loft Insulation- Joists
© Stroma Development Ltd 2013 | Version 1.1 Stroma – insulation Insulation Between Joists
© Stroma Development Ltd 2013 | Version 1.1 Stroma – insulation Important to Maintain Airflow in Loft It is important to keep airflow in the loft, if there is damp in the loft insulating it without keeping airflow will make this worse.
© Stroma Development Ltd 2013 | Version 1.1 Stroma – insulation Insulation at Rafters Where insulation is located at rafters you can specify the thickness as 50, 100 or 150mm If there is insulation at joists and rafters then ignore the rafter insulation thickness
© Stroma Development Ltd 2013 | Version 1.1 Stroma – insulation Floor Insulation Floor insulation options As built – this indicates that the floor insulation remains as it was when originally installed, and there is no evidence that insulation has been fitted. This option assumes insulation levels based on the age band selected for the property Retro-fitted – this option should only be selected if insulation is present and can be confirmed by DEA observation or documentary evidence such as a guarantee certificate Unknown – this option should only be selected if you are unsure about the level of insulation. This option assumes insulation levels based on the age band selected for the property and will remove any recommendation for floor insulation.
© Stroma Development Ltd 2013 | Version 1.1 Stroma – insulation Any Questions?
RSAP+ from Stroma You should have installed RSAP+ on your laptops, and we will use this for the exercise. Other software is available, we do not recommend.
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© Stroma Development Ltd 2013 | Version 1.4 Stroma – Property Elements 1 Property Elements In this section we will look at the different Property Elements.
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