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Beyem Aislaterm

Beyem Aislaterm

Ultra-light thermal insulation basecoat mortar for Beyem Aislaterm System.

About this product

BEYEM AISLATERM is an ultra-light thermal insulation render, formulated with hydraulic binders, selected aggregates, expanded polystyrene,  special additives and mineral pigments.  Especially suitable for energy saving  rehabilitation and ventilated facades. BEYEM AISLATERM is the basecoat of Beyem Aislaterm  Thermal Insulation System.

Benefits
  • Suitable for spray render and pump machines or manual applications.
  • Suitable for any architectural form and uneven substrates. Direct application on the substrate.
  • Eliminates thermal bridging in walls.
  • Continuous insulation. Avoid the "drum effect".
  • Great workability.
  • Rainwater-proof and permeable to water vapour. Prevents condensations.
  • New construction and rehabilitation. Both interior and exterior situations. 
Use

Ultra-light thermal insulation render for facades and walls both in  interior and exterior situations. Especially suitable for energy saving  rehabilitation and ventilated facades. For exterior application in a different use than the execution of ventilated façades, it is necessary to finish with BEYEM COLORTERM, lightweight,  rainwater-proof,  one coat mortar  especially designed for BEYEM AISLATERM basecoat; BEYEM NEOCAL FINO, rainwater-proof and high permeable to water vapour decorative lime mortar or BEYEM ADHETERM, levelling mortar especially suitable as a bedding coat over EPS substrates before finishing with acrylic mortars. 

Substrates

BEYEM AISLATERM is suitable for:

  • Brickwork. Ceramic bricks.
  • Concrete blocks.
  • Concrete  (treated with BEYEM UNIÓN MORTEROS adhesion promoter primer).
  • Cement based substrates and cement/lime  based substrates.
Preparation of substrates

Substrates must be clean, compact and  free of substances that reduce adhesion such as dust, oil, grease and with no loose material. Substrates must submit an adequate porosity and surface roughness. Dampen substrates with water  to cool down if they should be too warm, in case of wind or over absorbent substrates  and wait until the thin layer of water disappears. It is a good practice curing with a fine spray of clean water  24 h after application. Do not apply on cellular concrete, gypsum based plasters, paint, plastic, wood or materials with  low mechanical properties.

Instructions for use

Mix manually of mechanically BEYEM AISLATERM with 11,0-14,0 l per bag of clean water until a homogeneous, creamy and lump-free paste  is obtained. Let the mix stand for 5 minutes before application.

To apply with render  spray machine, it´s necessary to set the relation water/mortar  and pump pressure depending on section and length of hose  and climatology conditions. It´s important to maintain the  variables affecting the properties of the applied mortar (distance to the wall, angle of application and water proportion). Fix corners profiles and reinforcement mesh in gaps taking into account final coat (with BEYEM COLORTERM o BEYEM NEOCAL FINO). Treat conveniently the singular points. Spread the mixed product manually or mechanically leaving  20-60 mm of thickness, with a 30 mm of  maximum  thickness per layer. For final thicknesses greater than 30 mm, BEYEM AISLATERM must be applied in two layers of equal thickness, incorporating to the first of them complementary mechanical fixings (glass fiber mesh fixed to the substrate using fasteners ). Leave at least 24 hours to set the material between the first and second layer. Press to ensure adhesion and expel the air contained in the pores. Smooth with a ruler the applied material to regulate thickness. Expansion joints must be  respected by all applied materials. BEYEM AISLATERM must be finished with BEYEM COLORTERM or BEYEM NEOCAL FINO in case of exterior works (except in case of ventilated facades). Before overcoating, allow to dry 1 day for each centimeter of applied material (the drying time may vary depending on the weather conditions). In the application on ventilated facades, the fasteners  must be fixed on the brickwork , not in the insulation mortar.

Cautions and recommendations
  • Always mix with the specified amount of water.
  • Do not apply below 5ºC or above 30ºC.
  • Do not apply when there is  risk of frost, rain, strong wind or direct sunlight.
  • It is not advisable to apply on horizontal or sloped surfaces.
  • Protect top edges of facade from rainwater penetration.
  • Reinforce the critical points of facade  before first layer of basecoat using reinforcement mesh of 160 gr/ m2 and fasteners.
  • Demarcate pieces of work using PVC battens previously placed.
  • Expansion joints should be included as required by the substrate and respected by all applied materials.
  • It is necessary to use a primer on too high absorption substrates, as a cellular concrete, or on very low absorption substrates.
Technical data

Product identity. Properties of mixture and application data

Appearance

Powder

Color

Grey or white

Bulk density

≈ 300 Kg/m3

Density of the mix

≈ 500 Kg/m3

% Particles larger than 1 mm

< 15%

Mixing water,%

± 79%

Minimum thickness per layer

20 mm

Maximum thickness per layer

30 mm

Maximum application  thickness

60 mm

Coverage

≈  3,0 Kg/m2  per cm of thickness

Tariff code

3824.50.90.00

Final performances

  Type

T CSI W1

  Adhesion after weathering cycles

≥ 0,10 MPa

  Compressive  strength

CSI

Capillary water absorption

≤ 0,4 Kg/m2min1/2

Water vapour permeability

µ ≤ 15

Thermal conductivity

T1 (0,068 W/m·K)

Reaction to fire

Class A2

Packaging

BEYEM AISLATERM is packed 16 kg plastic lined paper bags.

Storage:  when stored unopened in a cool dry place, shelf life is 12 months from date of manufacture.

Cleaning tools

Tools can be cleaned easily with water  before the product hardens. Hardened product can be remove only mechanically.

Project specification

Thermal Insulation of facade must be carried out with ultra-light thermal insulation basecoat mortar compliant with EN 998-1-Class T CSI W1 such as Beyem Aislaterm,  manufactured by Rodacal Beyem company. Coverage will be ≈ 3,0 kg/m2 per cm of  thickness. The substrate must be clean, sound, compact and dimensionally stable. Expansion joints must be respected.

Health and Safety

For further and complete information about the safe use of our product please refer to our latest version of the Safety Data Sheet, which is available upon request.

Disposal of the product and packaging must be in accordance with current legislation. This is  responsibility of the final product user.

Certifications

Technical Data Sheet

Safety Data Sheet

Declaration of Performance

Certificate of Factory Production Control

Certificate of Quality Management System ISO 9001

Certificate of R+D+i Management System UNE 166002

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