Bitumen-impregnated cladding – peeling or flaking paint

Bitumen-impregnated corrugated fibre cladding – peeling or flaking paint

Causes

UV deterioration of original factory applied coating or subsequent site applied coatings 

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

Surface was damp or dirty when painted previously

Dark colours

Swelling/shrinkage caused by moisture absorption into the substrate

Paint coating at the end of its serviceable life

Listed under: Exterior, finishes, paint, cladding, walls, moisture, wall cladding, bitumen-impregnated corrugated fibre

Cause

UV deterioration of original factory applied coating or subsequent site applied coatings 

Repair

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

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Cause

Dark colours

Repair

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

Back to top

Cause

Swelling/shrinkage caused by moisture absorption into the substrate

Repair

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

Back to top

Cause

Paint coating at the end of its serviceable life

Repair

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

Back to top