Part 1 - Cladding over brick with James Hardie HardiePlank Smooth Weatherboard - Framing and Battens

Published on 20 November 2025 at 15:00

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Videos:

POV - You want to clad over your exterior brick and found our page with DIY tutorial - PART 1 - Cladding over brick with James Hardie HardiePlank Smooth Weatherboard - Framing and battens - https://www.instagram.com/p/DRQWfqTEw7M/

POV - You're finally cladding over another section of bricks - https://www.instagram.com/p/DQu-RhsE_L6/

Replying to "Peak cowboy renovations" - https://www.instagram.com/p/DQ5Iu6jk8UP/

POV - You're finally finished cladding over the 90s brick...now to gap, tape up and paint - https://www.instagram.com/p/DQ-JSqpEzsA/

Replying to "Actually makes me sick to watch" - https://www.instagram.com/p/DRLBQMwE1AH/ 

POV - You decided to paint the wall with brush and roller instead of a paint gun -https://www.instagram.com/p/DRSvxL5E7YR/

5 Year patio transformation journey - https://www.instagram.com/p/DRWDuJRjxKA/

POV - You bought a brick home for it's structural integrity but think the brick is ugly - https://www.instagram.com/reel/DRtOKaaD2yP/ 


PART 1 - Cladding over brick with James Hardie HardiePlank Smooth Weatherboard - Framing and battens

 

Materials:

  1. Corner posts - Porta 42x42mm 2.7m DAR Square H3 Primed FJ Pine
  2. Window Reveal/Vertical Stop - 138 x 18mm 5.4m H3 FJ PR4 Primed LOSP Treated Pine
  3. Angled Window Sill, Top - 187 x 18mm 5.4m H3 Treated Pine FJ DAR Primed LOSP
  4. Angled Window Sill, Face and Internal Corner Post Batten - 116 x 18mm 5.4m H3 Treated Pine FJ DAR Primed LOSP
  5. Battens - 42 x 18mm 5.4m Moulding H3 Treated Pine FJ Primed 4 Edge Pencil Round LOSP
  6. Cavity Vent Strip - Purchased from Bretts Hardware. Alternatively, Hardie 18mm PVC Cavity Vent Strip 3000mm available at Bunnings. 
  7. Vent strip glue - Dunlop 310ml Tile-All Plus Premixed Tile Adhesive.
  8. Cladding - James Hardie HardiePlank Smooth Weatherboard - 4200 x 230 x 7.5
  9. Ramset 7.5 x 60mm Galvanised Masonry Anchor Screw - 100 Box
  10. Treated Pine Screws - Zenith 8G x 60mm Tufcote Countersunk Rib Head Treated Pine Screws - 16 Pack
  11. Cladding Nails/Clouts - Paslode 25 x 2.8mm 500g Galvanised Clouts - 310 Pack
  12. Packers - HanDIY Shim 1-10mm Packer Handy Pack - 134 Pack
  13. James Hardie Villaboard Knife Score and Snap
  14. Filler/Putty - Earl's 600g White MulTfill Ready To Use Filler
  15. Gap Filler - Selleys 430g White No More Gaps Exterior Gap Filler
  16. Window Sill/Reveal sealant - Selleys 310ml White Flexiseal Polyurethane Construction Sealant - White

 

Tools:

1. Mitre Saw

2. Circular Saw

3. Drill

4. Impact Driver

5. 800w Corded Hammer drill with 6mm masonry bit

6. Cordless Multi-Function Tool

7. Irwin Quick Grip Clamps

8. Straight Edge

9. Spirit level

10. Combination Square

11. Hammer

12. Villaboard knife

13. Stanley Knife

14. Chisels

15. Caulking Gun

 

How we did it: 

  1. We formed up the external and internal corner stops for the cladding to butt into by fixing battens to 42mm x 42mm posts. Make sure you prime and paint all cut ends before installing. 
  2. We then installed PVC cavity vent strips for ventilation using Dunlop 310ml Tile-All Plus Premixed Tile Adhesive as the glue. 
  3. We used a 6mm masonry bit for pre-drilling before fixing the battens and stops to the brickwork with 7.5mm concrete screws.
  4. For the window reveals, we used two vertical stops to ensure the reveal sat proud of the combined width of the battens and boards. 
  5. For the window sill, we used a 187mm wide board, mitred and cut to maintain the fall of the existing brick sill.
  6. Finally, for the main battens across both walls, we used 18mm thick primed H3 treated pine battens.

 

Cladding materials with links (Australia) 

James Hardie 4200 x 230 x 7.5mm HardiePlank™ Smooth Weatherboard - 4200 x 230 x 7.5 - https://www.bunnings.com.au/james-hardie-4200-x-230-x-7-5mm-hardieplank-smooth-weatherboard-4200-x-230-x-7-5_p0711859

 

Hardie™ 18mm PVC Cavity Vent Strip 3000mm - https://www.jameshardie.com.au/accessory/james-hardie-18mm-pvc-cavity-vent-strip

 

Battens - 42 x 18mm 5.4m Moulding H3 Treated Pine FJ Primed 4 Edge Pencil Round LOSP - https://www.bunnings.com.au/42-x-18mm-5-4m-moulding-h3-treated-pine-fj-primed-4-edge-pencil-round-losp_p0021243

 

Corner Posts - Porta 42x42mm 2.7m DAR Square H3 Primed FJ Pine - https://www.bunnings.com.au/porta-42x42mm-2-7m-dar-square-h3-primed-fj-pine_p0497517

 

Top Trim -31 x 11mm 5.4m H3 FJ DAR Primed LOSP Treated Pine - https://www.bunnings.com.au/31-x-11mm-5-4m-h3-fj-dar-primed-losp-treated-pine_p0020733

 

Window Reveal/Vertical Stop - 138 x 18mm 5.4m H3 FJ PR4 Primed LOSP Treated Pine - https://www.bunnings.com.au/138-x-18mm-5-4m-h3-fj-pr4-primed-losp-treated-pine_p0020735

 

Angled Window Sill, Top - 187 x 18mm 5.4m H3 Treated Pine FJ DAR Primed LOSP - https://www.bunnings.com.au/187-x-18mm-5-4m-h3-treated-pine-fj-dar-primed-losp_p8401324

 

Angled Window Sill, Face and Internal Corner Post Batten - 116 x 18mm 5.4m H3 Treated Pine FJ DAR Primed LOSP - https://www.bunnings.com.au/116-x-18mm-5-4m-h3-treated-pine-fj-dar-primed-losp_p0020734

 

Masonry Anchors (Pre-Drilled with a 6mm Masonry Bit - Ramset 7.5 x 60mm Galvanised Masonry Anchor Screw - 100 Box - https://www.bunnings.com.au/ramset-7-5-x-60mm-galvanised-masonry-anchor-screw-100-box_p0200704

 

Treated Pine Screws (Construction of corner posts etc) - Zenith 8G x 60mm Tufcote® Countersunk Rib Head Treated Pine Screws - 16 Pack - https://www.bunnings.com.au/zenith-8g-x-60mm-tufcote-countersunk-rib-head-treated-pine-screws-16-pack_p0083556

 

Cladding Nails - Paslode 25 x 2.8mm 500g Galvanised Clouts - 310 Pack - https://www.bunnings.com.au/paslode-25-x-2-8mm-500g-galvanised-clouts-310-pack_p2360566

 

HanDIY Shim 1-10mm Packer Handy Pack - 134 Pack - https://www.bunnings.com.au/handiy-shim-1-10mm-packer-handy-pack-134-pack_p1041480

 

James Hardie Villaboard Knife Score and Snap

 - https://www.bunnings.com.au/james-hardie-villaboard-knife-score-and-snap_p0710767

 

Earl's 600g White MulTfill Ready To Use Filler - https://www.bunnings.com.au/earl-s-600g-white-multfill-ready-to-use-filler_p0054488

 

Selleys 430g White No More Gaps Exterior Gap Filler - https://www.bunnings.com.au/selleys-430g-white-no-more-gaps-exterior-gap-filler_p1230161

 

Window Sill/Reveal sealant - Selleys 310ml White Flexiseal Polyurethane Construction Sealant - White - https://www.bunnings.com.au/selleys-310ml-white-flexiseal-polyurethane-construction-sealant-white_p0013237

 

Cavity Vent Strip Glue - Dunlop 310ml Tile-All Plus Premixed Tile Adhesive - https://www.bunnings.com.au/dunlop-310ml-tile-all-plus-premixed-tile-adhesive_p6650104

 

Here's Part 2 - Cladding Installation - https://www.coastalhillshaven.com.au/2868973_part-2-cladding-over-brick-with-james-hardie-hardieplank-smooth-weatherboard-cladding-installation

Video tutorial - https://www.instagram.com/reel/DR_ckJzDxB6/

 

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