Peeling & flaking paint
Peeling and flaking, usually starting along the board edges and joins, is the classic sign a weatherboard exterior is due. Timber movement and moisture work the old coating loose, and once it's lifting it exposes bare timber to the weather. It has to be scraped back and the timber prepared before recoating, or the new paint peels away with the old.
Cracking & splitting
Cracks and splits opening up along the grain of a board let water straight into the timber. Some are cosmetic, but splitting that's widening, or that keeps reappearing after filling, points to timber that's drying out and moving. Left unsealed, those splits are where rot usually starts.
Cupping & timber movement
Boards that have cupped, bowed or pulled at their fixings have moved with years of wet and dry cycles. Minor movement is normal and can be prepared and recoated, but it's a sign the timber has been exposed and is worth restoring before the movement gets worse.
Fading & chalking
Weatherboard paint fades and chalks under Perth's UV, going flat, patchy and powdery to the touch. A washed-out, chalking exterior has lost both its colour and much of its protection, and any recoat needs the chalk removed first or it won't hold.
Isolated rot
Soft, spongy or crumbling timber, most often low on the wall, around windows or where water sits, is rot taking hold. Caught early and isolated, affected sections can be cut out, treated and made good as part of a restoration. Left to spread, it becomes a board-replacement job.
Moisture & water damage
Staining, dark patches and timber that stays damp long after rain all point to water getting into the boards, usually through failed paint, splits or gaps. A sound coating sheds water; a failing one lets the timber soak it up, which drives peeling and rot.
Gaps between boards
Gaps opening at the joins and around trims, windows and corners let wind-driven rain behind the boards. These need filling and caulking as part of the prep, both to keep water out and to give a neat, continuous finish.
Exposed or bare timber
Any weatherboard left bare where the paint has gone completely is unprotected and weathering fast. Bare timber greys, splits and starts to break down, so re-establishing a sound, coated surface over it is the priority in a restoration.