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Multi-purpose adhesion promoter and primer for internal use, specifically for improving adhesion between layers of Ultratop Loft and of MAPEI cementitious skimming mortars on all types of absorbent and non-absorbent surfaces. Some application examples:
- Adhesion promoter between consecutive skim coats of Ultratop Loft on horizontal and vertical surfaces
- Preparing compact, smooth cementitious screeds and concrete floors that need to be levelled off with a MAPEI skimming product (refer to substrate preparation products)
- Treating surfaces with traces of adhesive or an old, well-bonded skim coat before skimming the surface or applying adhesive
- Treating the surface of gypsum, anhydrite, wood, marine plywood, chipboard, terrazzo, ceramic and stone before skimming the surface or applying adhesive
- For professional use only.
Primer LT is a solvent-free, acrylic resin-based primer and adhesion promoter in water dispersion.
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Features & Benefits
- Easy to apply
- Has excellent adhesion
- Excellent resistance to water and ageing
Recommendations & Limitations
- Only apply Primer LT on internal surfaces
- For magnesium substrates use Primer EP or Mapeprim SP
- Only use Primer LT on wood that remains stable in the presence of moisture
- Do not use Primer LT in areas with capillary rising damp
- When using Primer LT for Ultratop Loft it must only be applied between the various layers and as a primer for absorbent vertical surfaces
Application & Preparation
Please refer to the data sheets in the tab above for further information.
Data sheet
- Manufacturer
- Mapei
- For Use By
- Professional Use
- For Use On
- Walls
Floors - Application Method
- Brush
Roller - Single, Two or Three Pack
- Single
- Pack Size
- 5KG
- Coverage
- Between consecutive coats of Ultratop Loft: approx 0.1 kg/m²
- Coverage
- Other substrates: between 0.1 and 0.2 kg/m²
- Max. Application Temperature
- 35°C
- Min. Application Temperature
- 5°C
- Waiting time
- Before applying adhesive or skimming mortar
Concrete-wood: 2-3 hours
Ceramic: 4-5 hours - Drying time
- Concrete-wood: 15-20 mins
Ceramic: 30-40 mins - Suitable For Use On
- Walls
- Suitable For Use On
- Floors
- Application Method
- Brush
- Application Method
- Roller
- Manufacturer
- Mapei
- Product Usage Type
- Primer
- Colour Family
- Blue
Questions
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IMPORTANT SHIPPING & DELIVERY INFORMATION
Mapei Primer LT is only available with the shipping and delivery timescales listed below - please do not contact our Customer Support Team with enquiries about alternative or earlier shipping and delivery times.
Saturdays and Sundays, as well as Bank Holidays, are not classed as working days.
Orders placed after the cut-off for this product will not be processed for earliest dispatch until 9am the next working day.
All delivery costs below are excluding VAT