WHAT DOES SASH WINDOWS MEAN?

‘It’s imperative that you never ever block window trickle vents and to stay away from more than draught-proofing windows in kitchens and bathrooms the place the moist air requirements to flee,' claims Natasha Collins-Daniel, campaigner for the Centre for Sustainable Vitality. 'In any other case, you could possibly end up with moist or mould com