DIY Crusade – Mapei Mapetherm AR1 GG – 25kg

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£17.50 ex. VAT

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  • Product ID: 2554025X
  • Suitable For: bonding, levelling and reinforcing thermal insulating panels and systems
  • Area of use: INT & EXT
  • Application Method: trowel
  • Time to full cure: 3-4 days
  • Volume: 25kg
  • Container Type: bag
  • Type: mortar
  • Colour: grey/white
  • Brand: Mapei
  • Manufactuer: Mapei
  • Box Size: 1

 

Mapetherm AR1 GG is a one component cementitious mortar for bonding, levelling and reinforcing thermal-insulating panels and thermal insulation systems. A grey or white powder made from cement, selected sand, synthetic resin and special additives with a fine grain size of up to 0.6 mm, developed according to a formula developed in MAPEI’s own research laboratories.

 

To reinforce this, apply Mapetherm Net on top of this base coat render. The Silancolor Render System can then be applied on top.

Mapetherm AR1 GG is ideal for use on insulation or render carrier board.

 

When mixed with water, it forms a mortar with the following characteristics:

• low viscosity and, therefore, good workability;
• high thixotropic consistency: May be applied on vertical surfaces without running and without the risk of insulating panels slipping, including large sized panels;
• bonds perfectly to all materials normally used in the building industry;
• hardens without shrinking.

 

Available in 25 kg paper sacks.

STORAGE
May be stored for 12 months in its original packaging in a dry place. The product complies with the conditions of Annex XVII to Regulation (EC) N° 1907/2006 (REACH), item 47.

 

CONSUMPTION
– For bonding insulating panels: 4-6 kg/m² according to the bonding technique used;
– Smoothing and levelling: 1.3-1.5 kg/m² per mm of thickness (recommended thickness: approximately 4 mm in 2 layers).

 

 

For relevant products which work with the Mapetherm system, please see Mapewall GPR and Mapetherm AR1 GG.

For more in our complete render systems, please click here.

Alternatively, you can visit Mapei’s website for more information by clicking here.

 

 

Mapetherm AR1 GG is suitable for bonding and smoothing internal and external insulating panels and thermal insulation systems on:

• cementitious render or lime-mortar render;
• concrete;
• concrete blocks;
• approved render boards;
• brickwork.

Also suitable for bonding insulation panels and reinforcing coat systems for:

• insulating inside faces of walls in rooms above ground;
• insulating inside faces of retaining walls in basements;
• insulating inside faces of loft ceilings;
• insulating external faces of ventilated façades;
• for use as a dash receiver and brick slip adhesive, plus synthetic brick slip or tile adhesive;
• for use with MAPEI approved backing boards as a render only system on to steel and timber framed buildings.

 

 

Preparation of the substrate
The substrate must be sound, strong and free of dust, loose parts, grease, oil, adhesive etc. It is recommended to use Nivoplan or Mapewall GPR to even out variations in masonry or cementitious substrates. Gypsum substrates must be perfectly dry, free of dust and treated with Primer G before bonding insulation panels.

Preparation of the mix
Pour the Mapetherm AR1 GG while mixing in a container with 20-24% by weight of clean water (approx. 5.0-6.0 litres of water per 25 kg of powder). Stir the mix, preferably with a low speed mixer to avoid drawing in air, until a smooth, creamy, lump-free paste is obtained. Let the mix stand for 5 minutes and stir again briefly before use. The mix obtained remains workable for approximately 3 hours.

Spreading the mix

Used as adhesive
Spread Mapetherm AR1 GG directly on to the back of the panels, in an even layer, using a 10 mm notched trowel when the substrate is flat, or with a minimum coverage of at least 40% using a perimeter band, with additional central dabs, if the substrate is uneven. After applying, press the panels down well to guarantee a secure bond to the substrate and check the flatness with a straightedge.

Used as smoothing and levelling compound
Once the adhesive is completely dry, at least 24 hrs after fitting the panels, install specified Mapetherm fixings, before spreading an even layer of Mapetherm AR1 GG on the surface and then embed Mapetherm Net alkali-resistant glass fibre mesh in the mortar. The Net must be pressed down with a smooth trowel on the fresh layer of mortar, and must overlap by at least 10 cm along the joints. After 12-24 hours, apply a second layer of Mapetherm AR1 GG smoothing and levelling compound to form a compact, even surface suitable for the final
coating which must only be applied once the smoothing layer is hardened and cured.

 

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Elementlength
up to
1,5 m
up to
2,5 m
up to
3,5 m
up to
4,5 m
up to
2,5 m
up to
3,5 m
up to
4,5 m
Type of window frame material Minimum witdth of joints
for a butled mounting b in mm
Minimum witdth of joints
for a inner mounting b in mm
Hard PVC (white) 10 15 20 25 10 10 15
Hard PVC and PMMA (dark)
(colour extruded)
15 20 25 30 10 15 20
Hard PUR integral foam 10 10 15 20 10 10 15
Wood-aluminium-window 10 10 15 20 10 10 15
Aluminium-plastic sandwich
frame (bright)
10 10 15 20 10 10 15
Aluminium-plastic sandwich
frame (dark)
10 15 20 25 10 10 15
Wooden window frame 10 10 10 10 10 10 10
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