A contract to pay for building a house in installments as the work progresses is entire.1 So, if the contract gives the builder the right to stop work at a certain stage and take a certain sum therefor, it is nevertheless an entire contract if for a complete building.2 A contract for moving and repairing an old house and building an addition thereto, to be paid in installments as the work progresses is entire. No recovery of installments can be had, if before they come due the building is destroyed by fire.3 Such a contract is, however, so far severable that an action can be brought for each installment as it comes due.4