Home / Stairs Stairs Share this page Facebook Twitter Balusters and banisters See also Gaps between internal steps – treads should lock together – serious and urgent Stair treads off level -subsidence in close or rot in timber supports to landing - serious Stair tread cracks – may be sign of serious problem Stair tread cracks- may be crack in previous surface repair Worn stair treads - resurface if hazardous Gaps between outside steps -mortar washed away or metal supports rusted Get updates by email We send occasional legal and technical updates My interest is as an: Owner Technical / Professional Property Manager