Concept 2018-04-18T14:48:52+02:00

ECONOMIC,
ROBUST AND
ENVIRONMENTALLY FRIENDLY
INSULATION

THE CONCEPT

SWEETMUR is a permanent insulated formwork system into which a 15-cm or 20-cm concrete core (depending on foundation pressure constraints) is poured. The formwork consists of two graphite-enhanced expanded polystyrene panels (density 30 g/l) connected by recycled polypropylene spacers. The thermal resistance required will determine the thickness of the panels used (7 or 10 cm) and therefore the thickness of the semi-finished walls (29, 32, 34 or 35 cm).

Reinforcement can be inserted easily by assembling one side of the formwork at a time.

SWEETMUR can be used to produce load-bearing and non-load-bearing walls, for individual homes, multi-unit housing or public buildings with up to three floors above ground level. It can also be used for basement walls, in which case it must be protected from impact damage (e.g., HDPE dimpled membrane).

The SWEETMUR process can be used in all climates and can be specially reinforced for use in active seismic zones.

SWEETMUR includes panels of three different heights to allow lintels and ceilings to be set at the desired height. Panels are assembled to the height of the floor so concrete fill can be placed in a single pour. Tongue and groove joints between the panels increase strength during pouring. Panels are easy to cut to size using a handsaw or hot wire.

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TECHNICAL CHARACTERISTICS

Thermal conductivity : λ (lambda)

A material’s thermal conductivity is its ability to transfer heat. The lower the thermal conductivity, that is, the smaller the value of λ, the greater the material’s insulating power. Thermal conductivity is measured in watts per metre kelvin (W/m.K – 1 K is equivalent to 1° Celsius).

Thermal resistance : R

Thermal resistance, R, is another indicator of insulating power. It expresses a material’s ability to resist heat flow. The higher the R value, the greater the material’s insulating power. A material’s R value, measured in metres squared Kelvin per watt (m2.K/W), is obtained by dividing the material’s thickness by its thermal conductivity.

NB: In practice, it is not enough to compare the R values of different materials because R values are stated for equal thicknesses of material. In fact, what the R value tells us is that you will needed greater thicknesses of some materials than others in order to achieve the same insulating power. For example, a 1-cm-thick layer of glass wool will provide the same amount of insulation as a 30-cm-thick brick wall.

Thermal transmittance: U

Thermal transmittance, U, is the rate of heat transfer through one square metre of a material. It is measured in W/m2.K.
Recommended R values to achieve a good level of insulation for roofs, walls and floors:
Roofs: 4.5 (minimum) to 8 (ideal)
Exterior walls: 2.5 to 4
Floor directly on the ground: 1.5 to 3
Floor above an unheated space: 3.5 to 6.

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PARTNER

KnaufIndustries

Packaging specialists, market leader in EPS moulded parts, and suppliers to numerous business sectors, including agro-food, electrical appliances, transportation, heavy industry, services, housing and health.

KNAUF INDUSTRIES, a division of the Knauf Group, is a world-renowned supplier to nearly every sector of industry, from agro-food, electrical appliances and transportation to heavy industry, services, housing and health. Specialising in packaging solutions and the production of technical parts, KNAUF INDUSTRIES is the market leader in EPS moulded parts.

In addition to 36 production units and 1400 staff spread across every continent, KNAUF INDUSTRIES has a world-class research and development centre that ensures the company’s products remain at the cutting edge of innovation.

100% Recyclable – Eco-design

Eco-design is an environmentally conscious approach to designing products. Its aim is to minimise a product’s impact on the environment at every stage in its lifecycle.

For interior and exterior insulation

SWEET MUR

FOR INTERNAL AND
EXTERNAL INSULATION
Dry assembly, doesn’t require
glue or cement.
Safe and easy to assemble.
Perfect for self-build projects.

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Sweet eau pfor swimming pools

SWEET EAU

FOR SWIMMING POOLS,
SPAS, etc.
Easy to assemble.
No need to coat the walls.
Heat gain:
approx. 4°C.

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Sweet renov for your renovation work

SWEET RENOV

FOR RENOVATION WORK
Exterior polystyrene insulation
improves interior comfort
in both summer and winter by
increasing the building’s
thermal inertia.

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Building insulation standards 2012 - 2020
BEPOS RT 2012
BEPOS RT 2020
DPE

Energy performance certificate – EPC

Energy performance certificates (EPC) provide a guide to how efficiently a home uses energy. A building’s EPC rating is based on an assessment of its energy consumption and environmental impact in terms of greenhouse gas emissions. EPCs were introduced as part of a Europe-wide energy policy designed to reduce both the amount of energy used by buildings and their greenhouse gas emissions.