Straw bale construction – peeling or flaking surface finish

Causes

UV deterioration

Loss of adhesion due to excess moisture in substrate

Poor initial substrate preparation

Oil-based (alkyd) paint applied over water-based (acrylic) paint

Surface was damp or dirty when painted previously

Dark colours

Paint coating at end of its serviceable life

Listed under: Exterior, finishes, paint, cladding, walls, moisture, wall cladding, straw bale construction

Cause

UV deterioration

Repair

  • scrape and/or sand off loose paint; sand bare timber until surface is sound; prime; fill joints with putty or exterior grade flexible (polyester) filler; paint with minimum two coats semi-gloss or high gloss acrylic paint

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Cause

Loss of adhesion due to excess moisture in substrate

Repair

  • scrape and/or sand off loose paint; sand bare timber until surface is sound; prime; fill joints with putty or exterior grade flexible (polyester) filler; paint with minimum two coats semi-gloss or high gloss acrylic paint

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Cause

Poor initial substrate preparation

Repair

  • scrape and/or sand off loose paint; sand bare timber until surface is sound; prime; fill joints with putty or exterior grade flexible (polyester) filler; paint with minimum two coats semi-gloss or high gloss acrylic paint

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Cause

Oil-based (alkyd) paint applied over water-based (acrylic) paint

Repair

  • scrape and/or sand off loose paint; sand bare timber until surface is sound; prime; fill joints with putty or exterior grade flexible (polyester) filler; paint with minimum two coats semi-gloss or high gloss acrylic paint

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Cause

Surface was damp or dirty when painted previously

Repair

  • scrape and/or sand off loose paint; sand bare timber until surface is sound; prime; fill joints with putty or exterior grade flexible (polyester) filler; paint with minimum two coats semi-gloss or high gloss acrylic paint

Back to top

Cause

Dark colours

Repair

  • scrape and/or sand off loose paint; sand bare timber until surface is sound; prime; fill joints with putty or exterior grade flexible (polyester) filler; paint with minimum two coats semi-gloss or high gloss acrylic paint

Back to top

Cause

Paint coating at end of its serviceable life

Repair

  • scrape and/or sand off loose paint; sand bare timber until surface is sound; prime; fill joints with putty or exterior grade flexible (polyester) filler; paint with minimum two coats semi-gloss or high gloss acrylic paint

Back to top