Hi. Two questions - 1) do you recommend 2 coats of Pegafix on a rendered exterior wall where the previous paint has largely flaked off? 2) What is the mxximum time I can leave the wall after applying Pegafix before applying Mathys Murfill? I ask this because I am dodging the showers, and there may be some days after I've primed the wall before I can apply the Mathys Murfill. Thanks, David.

Before application we would recommend all loose and flaking material is removed back to a clean, dry, sound surface. If this is back to bare cement render this should be primed with either Rust-Oleum Mathys Primer 44 HS or Mathys Pegafix. Mathys Pegafix can also be used prior to application of Rust-Oleum Mathys Murfill Renovation Paint to chalking paints. Mathys Pegafix is dry to recoat in 2 to 4 hours and fully cured in 24hours at 20°C this should be overpainted before it is fully cured.

Mathys Pegafix

Reference 172.1.4

Brand Mathys

Search ID MAT28

Mathys Pegafix is a colourless impregnating primer for porous, mineral substrates such as concrete, breeze block, bricks, etc. before painting them with waterborne paints.

High fixing capacity
Superior penetration characteristics
Water based

Colour

Clear

Size

Finish

£39.20(incl. VAT)

£32.67(ex. VAT)

Quantity

Product not available

Temporarily Out of Stock

ColourPicker Explained

In general we sort colours for products into 2 main groups - ‘Ready Mixed’ and ‘Tinted’.
Tinted colours will always be more expensive than Ready Mixed colours as they need to be produced at the time of order using a tinting machine dispensing colourant into a base*.
During busy periods, this means that tinted colours could take longer, for example – a ready mixed colour ordered on a 3-5 day delivery might arrive within 3 days, however a tinted colour might take the full 5 days to arrive.

To find Ready Mixed colours, search "ready mixed" or select the Ready Mixed 'colour chart'. To see Tinted colours select a colour chart such as RAL, BS, NCS, etc. or search for a colour/hue to see available or related options.

To ensure fair pricing, we split colours into ‘Price Bands’ to group together similar priced colours. If you wish to search for the cheapest tinted colours, always select Price Band 1.

We make every effort to list all available colours, however we also offer a colour match service which can be accessed by contacting our Technical Team on 0113 245 5450 (option 2) or emailing [email protected]

*Colours are sold in the nearest tin size but actual paint volume per tin may vary up to 10% depending on colour

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1 question about the product

Description

Mathys Pegafix

Mathys Pegafix is a colourless impregnating primer for porous, mineral substrates such as concrete, breeze block, bricks, etc. before painting them with waterborne paints.

Features & Benefits

High fixing capacity
Superior penetration characteristics
Water based

Technical Data

Density: 1,0
Gloss Level: Gloss
Gloss level at 60º: Glossy: > 80%
Solids content in volume: 14 - 16 %
Solids Content in weight: 14 - 16 %

Drying Times At 20°C/RH 50%

Touch dry: 1 hour
Dry to handle: 4 hours
Dry to recoat: 2-4 hours
Fully cured: 24 hours

Theoretical Consumption

Very porous substrates (concrete, bricks): 5 - 10 m²/l.
Little porous substrates (plaster, porous paints for inside use): 15 - 20 m²/l

Practical Consumption

Practical coverage depends on many factors such as porosity and roughness of the substrate and material losses during application.

Surface Preparation

Remove dust and / or clean carefully. Blistering plaster has to be sanded slightly to ensure a good adhesion or an adhesion test has to be done in advance.

Directions For Use

To ensure homogeneity, coating materials should be thoroughly stirred prior to use

Application Conditions

> 5°C, < 90% R.H.

Application Methods

Brush: Apply undiluted.
Roller: Apply undiluted.
Airless Spray: Nozzle: 11 - 15 / Pressure: 200 bars.
Air-Atomised Spray: Apply undiluted.

Remarks

On low porosity substrates, Pegafix is preferred above Parafix and Porisol because of its better penetration characteristics. Possible dried spots (on windows, floors, etc.) can be removed with Thinner 22. When using on chalking substrates, always test for fixing suitability.

Product Details

Reference 28-946157

Data sheet

Manufacturer: Mathys
For Use By: Consumer Use
Interior / Exterior Use: Interior & Exterior
Water / Solvent Based: Water
Application Method: Brush, Roller, Airless Spray, Spray
Sheen: Gloss
Colour: Clear
Single, Two or Three Pack: Single
Pack Size: 4L
Dry to Handle (at 20°C): 4 Hours
Dry to Recoat (at 20°C): 2 - 4 Hours
Fully Cured (at 20°C): 24 Hours
Coverage: 8m² per litre
Min. Application Temperature: 5°C
Density: 1,0
Solids by Volume: 14 - 16 %
VOC: 0 g/l
Shelf Life (from date of manufacture): 2 years from date of production in unopened cans, if stored in dry, well ventilated areas, not in direct sunlight at temperatures between 5° and 35°C
Touch Dry: 1 Hour
Recommended Dry Film Thickness: 15 µm
Recommended Wet Film Thickness: 100 µm
UN Number: Not regulated
Base Type: Water-Based
Finish: Gloss
Application Method: Brush
Application Method: Roller
Application Method: Spray
Usages: Absorbent Surfaces
Product Usage Type: Primer
Fastest Delivery: Next Working Day
Colour Family: Clear
Product Attributes: Absorbent Surface

Attachments

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Product Data Sheet

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Safety Data Sheet

Download

Customer agrees that before placing an Order, Customer has read and understood the most up to date Product Data Sheet for the Product. Where we have access to the Product Data Sheet from the manufacturer, we will either provide a copy on request, or include a link to the Product Data Sheet available on the manufacturer’s website. Customer further agrees that we have no liability for any errors or omissions contained within the Product Data Sheets. For more information, please see our Terms & Conditions of Sale.

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David Hutt on 2023-04-25 12:53:48	Question: Hi. Two questions - 1) do you recommend 2 coats of Pegafix on a rendered exterior wall where the previous paint has largely flaked off? 2) What is the mxximum time I can leave the wall after applying Pegafix before applying Mathys Murfill? I ask this because I am dodging the showers, and there may be some days after I've primed the wall before I can apply the Mathys Murfill. Thanks, David.
	Answer from Rawlins’ Technical Team: Before application we would recommend all loose and flaking material is removed back to a clean, dry, sound surface. If this is back to bare cement render this should be primed with either Rust-Oleum Mathys Primer 44 HS or Mathys Pegafix. Mathys Pegafix can also be used prior to application of Rust-Oleum Mathys Murfill Renovation Paint to chalking paints. Mathys Pegafix is dry to recoat in 2 to 4 hours and fully cured in 24hours at 20°C this should be overpainted before it is fully cured.

IMPORTANT SHIPPING & DELIVERY INFORMATION

Mathys Pegafix 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

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