Refreshing your exterior timber is easy using premium Johnstone’s woodcare products. Built for superior speed, durability and ease of use, Johnstone’s offers a fully water based range of innovative woodcare products that will keep your exterior timber looking its best, year after year.

Step 1. Identify the Timber

Firstly, identify the timber, if it’s hardwood such as Merbau or softwood such as treated pine.

Step 2. Preparation & Maintenance 

New Timber

Tannin Removal

Equipment Needed: Watering Can, Bristle Broom & High Pressure Water Cleaner

• Shake Johnstone’s Professional Hardwood Tannin & Oil Remover thoroughly
• Apply to a cool surface, out of direct sunlight
• Apply undiluted to wet timber (using a watering can or sprayer)
• Scrub into timber surface with a stiff bristle broom. Complete in sections
• Leave on for 10-15 minutes
• Rinse off exterior timber surfaces thoroughly using maximum pressure from a garden hose or using a high pressure water cleaner

Important: Wear protective gloves, eye wear and clothing. Cover surrounding plants and surfaces for protection.

Timber Cleaning

 Equipment Needed: Bristle Broom & High Pressure Water Cleaner
 
• Shake Johnstone’s Professional Deck & Timber Cleaner thoroughly
• Apply to a cool surface, out of direct sunlight
• Dilute 4:1 with water
• Scrub vigorously with stiff bristle broom
• Leave on for 10-15 minutes
• Rinse off thoroughly using maximum pressure from a garden hose or using a high pressure water cleaner
• Apply a suitable filler onto completely dry timber to fill deep holes. Follow packaging instructions

Important: Wear protective gloves, eye wear and clothing. Cover surrounding plants and surfaces for protection.

Weathered Timber

Equipment Needed: Bristle Broom & High Pressure Water Cleaner

• Shake Johnstone’s Professional Deck & Timber Cleaner thoroughly
• Apply to a cool surface, out of direct sunlight
• Dilute 4:1 with water
• Scrub vigorously with stiff bristle broom
• Leave on for 10-15 minutes
• Rinse off thoroughly using maximum pressure from a garden hose or using a high pressure water cleaner
• Apply a suitable filler onto completely dry timber to fill deep holes. Follow packaging instructions

Important: Wear protective gloves, eye wear and clothing. Cover surrounding plants and surfaces for protection.

Step 3. Coat your exterior timber

Equipment Needed: Flat Paddle, Woodcare Brush or Applicator Pad, Sandpaper Plate, Paint Tray

• Ensure the fence or screen is completely dry before you coat. Apply to cool surface, out of direct sunlight
• Lightly sand surface prior to coating
• Stir thoroughly Johnstone’s Professional Exterior Timber Oil before and during use
• Apply liberally along the length of the timber boards including exposed edges and end grain preferably by brush or applicator pad
• Apply two coats allowing 1 hour between the first and second coat
• For increased durability, longevity and coverage apply a third coat