SAS Europe » ProRend EIFS

PRORend
- Colour
- Colourtex
  - Primer
  - Grained
  - Uniform
- Mineraltex
- Basecoats
  - Float
  - Rapid
  - Prep
  - Lite
PROWall
- Timber Frame
- Render Application
PRORend EIFS
PROBead
PROPlas
PROMesh
- Grade 1
- Grade 2
- Grade 3
- Grade 4
- Grade 5
PROCentre
- Facilities
- Courses
STRIKOtherm
STRIKOLith

Insulation

General Information

ProRend EIFS can be installed using either expanded polystyrene (EPS), or mineral wool insulations.

Both boast superb green properties:

CFC / HCFC free
Zero Ozone Depletion Potential (ODP) rated
Zero Global Warming Potential (GWP) rated

		Mineral Wool		EPS
		Slab	Lamella	70 White	70 Platinum	200 White
Technical properties
Thermal conductivity λ10, W/mK		0.036	0.040	0.037	0.030	0.033
Water vapour permeability, µ (BS EN ISO 10456 2007 Table 4)		1/1	1/1	60/60	60/60	60/60
Fire classification		A1	A1	E †	E †	E †
Nominal density, kg/m³		126 - 140	126 - 140	14 - 16	14 - 16	30 - 32
				† Contains fire retarding additive
Insulation panel properties
Blunt edge	Thickness, mm	30 - 200	30 - 300	20 - *	20 - *	20 - *
Blunt edge	Face, l x h, mm	1000 x 500	1000 x 200	1000 x 500	1000 x 500	1000 x 500
Rail edge	Thickness, mm	40 - 160		40 - *	40 - *	40 - *
Rail edge	Face, l x h, mm	500 x 500		500 x 500	500 x 500	500 x 500
Tongue and groove	Thickness, mm			40 - *	40 - *	40 - *
Tongue and groove	Face, l x h, mm			1050 x 550	1050 x 550	1050 x 550
Bends around curved walls
				* Size limit in excess of 1000mm

Note insulation panel thicknesses increase in 10mm increments

Bespoke EPS shaped panels are available on request e.g. columns and decorative details

U Values And Dew Points

U values are a measure of the amount of heat conducted through a material per m² at a given temperature. The lower the U value the less heat that will be lost through the walls.

A dew point is the temperature at which air becomes saturated: below this point moisture is deposited as condensation.

Properties constructed using external wall insulation are able to force the dew point to the outside of the wall.

The SAS technical team will provide you with a U-value and dew point calculation once you have provided us with the makeup of the wall.

Expanded Polystyrene, EPS

ProRend EIFS EPS insulation manufactured to BS 13163: 2001 is available in 3 grades:

EPS 70 White - standard insulation with highest (poorest) thermal conductivity
EPS 70 Platinum - premium insulation with the best thermal conductivity of all insulants sold as part f the ProRend EIFS

Achieving a U-value of 0.24 on a traditional cavity wall renovation could save you 20mm in thickness of insulation compared with EPS 70 White or Mineral Wool slab saving on transport costs and sundry tems such as fixings and beading profiles

EPS 200 White - dense insulation ideally suited to application below DPC

Mineral Wool

ProRend EIFS Mineral Wool insulation is available in 2 grades

Slab - best thermal conductivity of mineral wool insulants
Lamella - available in widest range of thicknesses and suitable for curved walls

Mineral Wool can be used as a sole insulant in ProRend EIFS projects or to serve as a fire barrier in EPS type construction. Mineral Wool fire barriers are typically used as follows:

ProRend EIFS adhesive EPS constructions using Mineral Wool Lamella
ProRend EIFS rail EPS constructions using Mineral Wool Rail Slab

For further details on fire barriers refer to adhesive system or rail system respectively

How much insulation do I require?

This varies on a case by case basis and dependent upon which insulation is chosen. Contact our technical team and we can work with you to specify the right insulation for your project.

Sample U-value Calculation_†

† U value calculations according to BS EN ISO 6946

Adhesive system renovation over typical rendered brickwork cavity wall using 70mm EPS Platinum

Construction	Thickness. m	Lambda. W/mK	R.m²K/W
External Resistivity			0.04
ProRend Colourtex	0.0015	0.700	0.00
ProRend Lite	0.0050	0.270	0.22
Prorend EIFS EPS 70 Platinum	0.0700	0.030	2.33
ProRend Lite	0.0050	0.270	0.02
BS EN 12524 Rend, Lime, Sand	0.0200	0.800	0.03
Brick Outer Leaf	0.1020	0.770	0.13
Cavity	0.0400	0.222	0.18
Brick Inner Leaf	0.1020	0.560	0.18
BS EN 12524 Gypsum Plastering	0.0150	0.570	0.03
Internal Resistivity			0.13
	0.3605		Rτ = 3.09m²K/W
			U = 0.32W/m²K

Rail system new build over lightweight steel constructed walls using 130mm Mineral Wool Slab

Construction	Thickness. m	Lambda. W/mK	R.m²K/W
External Resistivity			0.04
ProRend Colourtex	0.0015	0.700	0.00
ProRend Lite	0.0050	0.270	0.02
Prorend EIFS Mineral Wool Slab	0.1300	0.036	3.61
BS EN ISO 6946 Cavity	0.0150	0.088	0.17
BS EN 12524 Sheathing Board	0.0090	0.130	0.07
Metal Frame	0.1000	0.556	0.18
Plasterboard	0.0125	0.210	0.06
Plasterboard	0.0125	0.210	0.06
BS EN 12524 Gypsum Plastering	0.0030	0.570	0.01
Internal Resistivity			0.13
	0.2885		Rτ = 4.35m²K/W
			U = 0.23W/m²K

PRORend EIFS Insulation