Blocking

Interior Paint Solution

 
 

Blocking: Undesirable sticking together of two painted surfaces when pressed together (e.g., a door sticking to the jamb).

Possible Cause:

Not allowing sufficient dry time for the coating before closing doors or windows.
Use of low quality semi gloss or gloss paints.

Solution:

Use top quality semi gloss or gloss acrylic latex paint. Low quality latex paints can have poor block resistance, especially in warm, damp conditions.

Follow paint label instructions regarding dry times. Acrylic latex paints generally have better early block resistance than vinyl latex paints, or alkyd or oil-based paints; however, alkyds develop superior block resistance over time. Application of talcum powder can relieve persistent blocking.

 

Interior Paint Problems

 

Exterior Paint Problems

Blistering

Burnishing

Blocking

Caulk Failures

Cracking - Flaking

Foaming - Cratering

Lapping

Mud Cracking

Mildew

Picture Framing

Poor Scrub Resistance

Poor Sheen Uniformity

Poor Stain Resistance

Poor Flow - Leveling

Poor Hiding

Roller Marks - Stipple

Roller Spattering

Sagging

Surfactant Leaching

Wrinkling

Yellowing

 

Alligatoring
Blistering

Chalk Run down
Chalking
Cracking Flaking

Dirt Pickup
Efflorescence - Mottling
Fading-Poor Color Retention
Frosting

Lapping

Mildew

Nailhead Rusting

Paint Incompatibility

Peeling
Poor Galvanized Metal Adhesion
Poor Alkali Resistance
Poor Gloss Retention

Surfactant Leaching

Tannin Staining

Vinyl Siding Warp

Wax Bleed

Wrinkling

 

 

 

Painting tips & tricks


Helpful Tip
When taking a break, don't leave your brushes or rollers sitting in paint. Cover trays with a damp rag.

 

Giving old wood a fresh look
Exterior wood siding can be painted, or stripped and painted. Strip paint using a torch by burning the old paint and scraping it lightly being careful not to damage the wood. Clean the surface with trisodium phosphate (TSP), which you can find in the paint department of your local home renovation centre. Repair siding where needed and caulk. If you are repainting in the same colour, apply the finishing coat after the wood is dry. If you are changing colours, apply a primer coat followed by the new colour, using exterior paint (an oil based primer will be necessary if going from oil to latex). Avoid painting in full sun, at sunset, in the early morning, in the rain or in the wind. To keep bugs from sticking to the fresh paint, simply add two tablespoons of citronella to the paint.

 

Finishing product: paint, stain, varnish, etc.
Different customers have different needs. No product meets every need. To select the appropriate product, start by identifying your needs based on the following specific criteria in order to create a “funnel” leading to your ideal product. The product selection process is simple, effective and based on eight product selection criteria: function, environment, surface, use, composition, appearance, colour and quality.

 

Masking knots before painting
Knots in finished wood will appear sooner or later after painting. Before painting, seal the knots with a lacquer. It is the only liquid sealant that will efficiently seal in knot resin, without discoloring the finishing paint.

 

 

 
 
 
 

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