PRODUCT DESCRIPTION
WALMARK EXTERIOR PRIMER is a water based wall coating suitable for application on exterior as an undercoat to exterior emulsion.
SURFACE PREPARATION
1. Plaster :
New masonry surfaces must be allowed to cure completely. It is recommended to allow 28 days
as the curing time for new masonary surfaces.
2. Cleaning :
Ensure the surface is completely free from all dirt, loosely held plaster, powdery residue, oil grease or any other contamination. Any previous growth of fungus, algae or moss needs to be removed thoroughly by vigorous wire brushing and cleaning with water.
3. Filling the Cracks, Holes & Dents :
For filling cracks upto 3mm, holes and dents use WALMARK Cement Putty or white cement and fine sand in the ratio 1:3.For exterior surfaces or substrates that are subjected to continuous seepage or dampness, kindly get the repairs done before the application.
4. Mixing Ratio :
Dilute one litre of WALMARK EXTERIOR PRIMER with 800-1000 ml of clean potable water for concrete surfaces. Do not add any stainer/colorant to the WALMARK EXTERIOR PRIMER. Don’t over dilute WALMARK EXTERIOR PRIMER.
5. Coverage :
Varies according to the porosity and texture of the surface. Coverage for smooth surface with no suction:
Approx 11-12 m2. per lit for one coats.
6. Available Pack Sizes :
The pack sizes available for WALMARK EXTERIOR PRIMER are 20 ltr., 10 ltr., 4 ltr. and 1 ltr.
PAINT APPLICATION PROCESS
| Application | Recoating period | ||
| Step 1 Sanding |
Sand the surface with emery paper 180 and wipe clean | ||
| Step 2 WALMARK CEMENT PUTTY |
O/N | ||
| Step 3 WALMARK EXTERIOR PRIMER Brush/roller/spray |
4 – 6 hrs | ||
| Step 4 APPLICATION OF TOPCOAT Brush/roller/spray |
Apply emulsion coat over WALMARK EXTERIOR PRIMER |
Recoat period is quoted for 25°C and 50% Relative Humidity, these may vary under different conditions.
TECHINCAL DETAILS :
- Nature: - Thixotropic Liquid.
- Base: - Acrylic emulsion binder & other additives.
- Colour: - White.
- Finish: - Smooth & uniform finish.
- Mode of application: - By brush, roller or spray.
- Drying Time: - Touch dry 30 min. Hard dry 4 to 6 hours.
- Recoating period: 4 to 6 hours.
- Stability of thinned paint: - To be used within 24 hours.
SPECIAL FEATURES :
- Provide excellent adhesion to top coat emulsion
- Excellent opacity & whiteness
- Free from Heavy Metals like lead, chromium.
HANDLING & STORAGE :
Keep containers airtight during handling and storage to avoid loss of material. Store WALMARK EXTERIOR PRIMER in a cool dry place and also protect it from extreme climatic conditions during storage, in transit and at site.
SAFETY MEASURES :
Kindly refer to the MSDS for walmarkpaints WALMARK EXTERIOR PRIMER which gives detailed information on safety measures while handling the paint, which is available on request.
Store the container with the lid tightly closed in an upright position, in a cool, dry place.
Keep out of reach of children and away from eatables.
May be harmful if swallowed. In case of ingestion seek immediate medical attention. In case of skin contact immediately wash skin with soap and plenty of water. Get medical attention if irritation develops or persists.
Wear eye protection during application. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Do not breathe vapour or spray. It is recommended to wear suitable nose pad during sanding and surface preparation to avoid dust inhalation.
Do not pour leftover paint down the drain or in water courses.
In the event of spills, contain spillage using sand or earth.
POST PAINTING CARE :
Apply an emulsion coat over WALMARK EXTERIOR PRIMER.