A REVIEW OF SASH WINDOWS

‘It’s essential to never block window trickle vents and to stop more than draught-proofing windows in kitchens and loos the place the moist air needs to escape,' suggests Natasha Collins-Daniel, campaigner for the Centre for Sustainable Strength. 'In any other case, you may end up getting moist or mould challenges.'Dig into slicing-edge ways an